Se Jin Tube Tech E Catalogue

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Se Jin Tube Tech E Catalogue

  1. 1. GENERAL INFORMATION FOR PRE-QUALIFICATION SEJIN TUBE TECH CO., LTD.
  2. 2. CONTENTS 1.COMPANY INTRODUCTION 1-1.Introduction & Contact Information 1-2.Company History 1-3.Company Overall View 1-4.Organization 1-5.Company Profile 1-6.Main Customers 2.PRODUCT INTRODUCTION 2-1.Main Products 2-2.Production Process 2-3.Dimension & Tolerance (ASTM A249/JIS G3463/KS D3577) 2-4.Dimension & Tolerance (ASTM A312/JIS G3459/KS D3576) 2-5.Dimension & Tolerance (ASTM A269/JIS G3448/KS D3595) 2-6.Manufacturing Facilities 2-7.Testing Facilities 2-8.Details of Each Facility 2-9.Packing & Storage 3.Q.C MANUAL 3-1.Quality Management System 3-2.Quality Management Process 3-3.Quality Control Plan 4.CERTIFICATES 5.MAJOR SUPPLY RECORD
  3. 3. 1. COMPANY INTRODUCTION www.sejintube.co.kr 1
  4. 4. 1-1. Introduction & Contact Information Introduction Sejin Tube Tech Co., Ltd. was established in 2005 and we are a manufacturer of Stainless Steel Tube for Boiler, Heat Exchanger, Ordinary piping, Machinery, Structure, Sanitary tubing, etc. We’ve been continuously grown through a good reputation and the endless technical development. Now we’re expanding our market to the international as we obtain the international certificates and the unique technologies. We, Sejin Tube Tech Co., Ltd. promise our customers to go ahead as a front-runner of the Stainless Steel Pipe Manufacturer in the world market as well as in the domestic market while collecting the accumulated Know-How and capability. Thank you. Contact Information • Company Name : Sejin Tube Tech Co., Ltd. • Representative : Myung Chol Kim • Address : 239-1, Gamno-ri, Sangdong-Myeon, Gimhae-si, Gyeong Nam, Korea 621-811 • TEL : +82-55-337-0041 / FAX : +82-55-337-0042 • Website : www.sejintube.co.kr • E-Mail : sejintube@sejintube.co.kr www.sejintube.co.kr 2
  5. 5. 1-2. Company HistoryMay. 2005 Established Sejin Tube Tech Co., Ltd.May. 2005 Acquired Patent for Stainless Arc WeldingJan. 2006 Acquired ISO 9001:2000 certificateFeb. 2006 Extended the Line for Boiler & Heat Exchanger Tube (2 Lines)Nov. 2006 Completion of the 2nd shop (Pipe Line & Off-Line Oxidized Heat Treatment)Jan. 2007 Seamless Tube Line extension (Plug Draw Bench).Jan. 2007 Registered as a member of Korea Standard Association.Apr. 2007 Registered as a supplier to Jord International Pty Ltd.(Australia)Jun. 2007 Registered as a supplier to Mitsubishi Heavy Industries, Ltd.(Japan)Aug. 2007 Acquired KS mark certificates (KS D3595, KS D3577)May. 2008 Registered as a supplier of Sungjin Geotec, Wooyang H.C.,TSM Tech, Hantech, Iljin Energy(Korea)Nov. 2008 Registered as a supplier to DOW Chemical Company/VectelMar. 2009 Registered as a supplier to Doosan Heavy IndustriesDec. 2010 Acquired PED Certificate www.sejintube.co.kr 3
  6. 6. 1-3. Company Overall View Outside Shop #1 (Welded Pipes) Shop #2 (Seamless Pipes) www.sejintube.co.kr 4
  7. 7. 1-4. Organization CEO Managing Director Management Sales Dpt. Production Dpt. QC Dpt. Dpt. Domestic Sales Production Accounting Inspection Overseas Sales Purchasing General Affairs Development Research www.sejintube.co.kr 5
  8. 8. 1-5. Company Profile(1) Representative : Myung-Chol Kim Founded Date : May 9, 2005 Number of Employees : Total 28 people • Office : 6 people • Engineer : 2 people • Factory : 20 people Capital(2010) : USD7,500,000 Sales Amount(2010) : USD12,500,000 Main Product : Welded Stainless Tube, Seamless Stainless Tube Usage : Boiler, Heat Exchanger, Anti-corrosion & Heat-resistant Pipes, Ordinary Piping, Sanitary Tubing, etc. Certificate : ISO9001, PED, KS D 3577 & KS D 3595 www.sejintube.co.kr 6
  9. 9. 1-5. Company Profile(2) Sales Growth Unit: 0.1 Million USD 140 200 200 130 130 150 100 50 0 2008 2009 2010 2011 Production Capacity Capacity Product Range Line Q’ty (Ton/Year)Stainless Steel Tube for boiler & heat exchanger 3 2000Stainless Steel Pipe for general piping 2 1200Stainless Steel Seamless Tube 1x3 1400 Inspection Facilities : Universal Test Machine, Microscope, Hydrostatic Tester, Eddy Current Tester & Vickers Hardness Tester www.sejintube.co.kr 7
  10. 10. 1-6. Main Customers Domestic Customers Foreign Customers▶ Doosan Heavy Industries & Construction ▶ Mitsubishi Heavy Industries Ltd.(Japan)▶ Doosan Mecatec ▶ Mitsubishi Chemical Corp.(Japan)▶ Sungjin Geotec ▶ Jord International Pte. Ltd.(Australia)▶ TSM Tech Co., Ltd. ▶ BHEL(India)▶ Hantec Engineering Co., Ltd. ▶ Aban Air Cooler Co.(Iran)▶ Woo Yang H.C Co., Ltd. ▶ Aero Freeze System/GEA(Canada)▶ Wonil T&I Co.,Ltd. ▶ Titan Metal Fabricators, Inc.(USA)▶ Seoul Machinery Co.,Ltd. ▶ Intercol S.A./CBI/Reficar(Colombia)▶ SEWON CELLONTECH Co., Ltd. ▶ Tasha Manufacturing Co.(Iran)▶ SC Engineering ▶ Patkor Public Company Ltd.(Thailand)▶ JMC.▶ DKT Co., Ltd. www.sejintube.co.kr 8
  11. 11. 2. PRODUCT INTRODUCTION www.sejintube.co.kr 9
  12. 12. 2-1. Main Products(1) Steel Tube for Boiler & Heat Exchanger• Standard: ASTM A249, JIS G3463, KS D3577• Material: 304(L), 316(L), 321, 310S, 317(L), 347, Duplex(S31803,S32750), etc.• Usage: Boiler, Superheater, Heat Exchanger, Condenser, etc.• Dimension & Tolerance ☞p.13~14 Seamless Tube • Standard: ASTM A213 • Material: 304(L), 316(L), 321, 310S, 317(L), 347, Duplex(S31803,S32750), etc. • Usage: Boiler, Superheater, Heat Exchanger, Condenser, etc. www.sejintube.co.kr 10
  13. 13. 2-1. Main Products(2) Steel Pipe for Tubing• Standard: ASTM A312, JIS G3459, KS D3576• Material: 304(L), 316(L), 321, etc.• Usage: Anti-corrosion & Heat-resistant Pipes for Oil & Gas Industries, Chemical Industries as like Pulp, Paper, Textile, etc.• Dimension & Tolerance ☞p.15~16 Steel Pipe for Ordinary Tubing • Standard: ASTM A269, JIS G3448, KS D3595 • Material: 304(L), 316(L), 321, etc. • Usage: Hot/Cold Water Supply, Drainage, etc. • Dimension & Tolerance ☞p.17 www.sejintube.co.kr 11
  14. 14. 2-2. Production ProcessWelded Tubes Bead Coil Forming Welding Removing Sizing Eddy Current End Bright Test Picking Facing Straightening Annealing Marking Re-sing Inspection PackingSeamless Tubes Repeat Cold Mother Tube Pointing Drawing Degreasing Cutting Eddy Current End Off-Line Test Picking Facing Straightening Heat Treatment Marking Inspection Packing www.sejintube.co.kr 12
  15. 15. 2-3. Dimension & Tolerance (ASTM A249 / JIS G3463 / KS D3577) ASTM A249 / JIS G3463 / KS D3577 • Material : 304(L), 316(L), 321, 310S, 317(L), 347, Duplex(S31803,S32750) W.T(mm) O.D(mm) 0.5 0.8 1.2 1.6 2 2.3 2.6 2.9 15.88 19.05 21.7 22.22 25.4 27.2 31.8 34 38.1 45 50.8 www.sejintube.co.kr 13
  16. 16. 2-3. Dimension & Tolerance (ASTM A249 / JIS G3463 / KS D3577) ASTM A249 / JIS G3463 / KS D3577 Specification KS D3577(JIS G3463) ASTM A249 Division D < 60 ±0.25 D < 25.4 ±0.10 60 ≤ D < 80 ±0.30 25.4 ≤ D < 38.1 ±0.15 80 ≤ D < 100 ±0.40 38.1 < D < 50.8 ±0.20 Outer 50.8 ≤ D < 63.5 ±0.25 Diameter +0.40 100 ≤ D < 120 63.5 ≤ D < 76.2 ±0.30 - 0.60 76.2 ≤ D ≤ 101.6 ±0.38 +0.40 101.6 < D ≤ 190.5 120 ≤ D < 160 +0.38, -0.64 - 0.80 +0.4 t<2 Tolerance -0 ±10% D < 40 Wall +20% or t≥2 All Size Thickness -0 +18% +22% -0 D ≥ 40 All Thickness -0 L ≤ 7000 +7.0 D ≤ 50 +3.17 L > 7000 +10.0 D < 50.8 -0 Length L ≤ 7000 +10.0 D ≥ 50.8 +4.76 D > 50 -0 L > 7000 +13.0 Straightness Shall be reasonably straight Under 0.8 / 914 Inside Bead Removal No removal Inside bead removal www.sejintube.co.kr 14
  17. 17. 2-4. Dimension & Tolerance (ASTM A312 / JIS G3459 / KS D3576) ASTM A312 / JIS G3459 / KS D3576 • Material : 304(L), 316(L), 321 (Unit : mm) Nominal Nominal Wall Thickness(SCH) Outer Diameter Size 5S 10S 20S 40S 80S A B KS ASTM KS ASTM KS ASTM KS KS ASTM KS ASTM 8 1/4 13.8 13.72 1.2 - 1.65 1.65 2.0 2.2 2.24 - - 10 3/8 17.3 17.15 1.2 - 1.65 1.65 2.0 2.3 2.31 - - 15 1/2 21.7 21.34 1.65 1.65 2.1 2.11 2.5 2.8 2.77 3.7 3.73 20 3/4 27.2 26.67 1.65 1.65 2.1 2.11 2.5 2.9 2.87 3.9 3.91 25 1 34.0 33.4 1.65 1.65 2.8 2.77 3.0 3.4 3.38 4.5 4.55 32 1 1/4 42.7 42.16 1.65 1.65 2.8 2.77 3.0 3.6 3.56 4.9 4.85 40 1 1/2 48.6 48.26 1.65 1.65 2.8 2.77 3.0 3.7 3.68 5.1 5.08 50 2 60.5 60.33 1.65 1.65 2.8 2.77 3.5 3.9 3.91 5.5 5.54 65 2 1/2 76.3 73.03 2.1 2.11 3.0 3.05 3.5 5.2 5.16 - - 80 3 89.1 88.9 2.1 2.11 3.0 3.05 4.0 5.5 5.49 - - 90 3 1/2 101.6 101.6 2.1 2.11 3.0 3.05 4.0 5.7 5.74 - - 100 4 114.3 114.3 2.1 2.11 3.0 3.05 4.0 6.0 6.02 - - www.sejintube.co.kr 15
  18. 18. 2-4. Dimension & Tolerance (ASTM A312 / JIS G3459 / KS D3576) ASTM A312 / JIS G3459 / KS D3576 (Unit : mm) Specification KS D3576(JIS G3459) ASTM A312 Division +0.4 D < 30 ±0.30 10.29 ≤ D ≤ 48.26 - 0.8 48.26 < D ≤ 114.3 ±0.8 Outer Diameter +1.6 L ≥ 30 ±1% 114.4 < D ≤ 219.08 - 0.8 +2.4 Tolerance 219.08 < D ≤ 406.4 - 0.8 t<2 ±0.20 Wall All Size All Size Thickness over -12.5% t≥2 ±10% +6.4 Length Longer than the specified length All Size - 0.0 Straightness Shall be practically straight Shall be practically straight www.sejintube.co.kr 16
  19. 19. 2-5. Dimension & Tolerance (ASTM A269 / JIS G3448 / KS D3595) ASTM A 269 / JIS G 3448 / KS D 3595 • Material: 304(L), 316(L), 321 Outer Diameter (mm) Wall Thickness (mm) Weight (kg/m) Nominal Diameter Size Tolerance Size Tolerance STS304TPD STS316TPD 13 SU 15.88 0.8 0.301 0.302 0 20 SU 22.22 1.0 0.529 0.532 -0.37 25 SU 28.58 1.0 0.687 0.691 ±0.12 30 SU 34.00 ±0.34 1.2 0.980 0.987 40 SU 42.70 ±0.43 1.2 1.240 1.250 50 SU 48.60 ±0.49 1.2 1.420 1.430 60 SU 60.50 ±0.60 1.5 ±0.15 2.200 2.220 www.sejintube.co.kr 17
  20. 20. 2-6. Manufacturing Facilities (List) Line Descrption Q’ty Capacity Origin (Process) O.D : 13.8mm ~ 60.5mm Forming M/C 5 KOREA Welded Speed : 2M/Min ~ 4M/Max Non-oxidized heat treatment furnace 2 O.D : 13.8mm ~ 60.3mm KOREA (ON-LINE) O.D : 13.8mm ~ 60.5mm Straightnning M/C 4 KOREA Voltage : 50kw ~ 100kw WELDED Auto Cutting & End PIPES 1 O.D : 13.8mm ~ 114.3mm KOREA Facing M/C Auto End Facing M/C 1 O.D : 13.8mm ~ 60.5mm KOREA O.D : 13.8mm ~ 60.5mm Marking M/C 1 FRANCE LENGTH : 20M O.D : 13.8mm ~ 60.5mm Manual Cutter 4 U.S.A LENGTH : 7M Drawing M/C 1X3 O.D : 13.8mm ~ 60.5mm KOREA SEAMLESS Oxidized heat PIPES Treatment furnace 1 O.D : 13.8mm ~ 216.3mm KOREA (OFF-LINE) www.sejintube.co.kr 18
  21. 21. 2-4. Manufacturing Facilities (Photo) Forming M/C Bright annealing furnace Straightening M/C Auto Cutting & End Facing M/C www.sejintube.co.kr 19
  22. 22. 2-6. Manufacturing Facilities (Photo) Marking M/C Cutting M/C Drawing M/C Heat Treatment furnace www.sejintube.co.kr 20
  23. 23. 2-7. Testing Facilities (List) Description Q’ty Availability Origin Universal Test Machine 1 60 Ton KOREA Microscope Tester 1 X50 ~ x500 KOREA Eddy Current Tester 1 O.D.: 13.8mm ~ 60.5mm FRANCE Hydrostatic Tester 1 Max. 200kg/㎠ KOREA Vickers Hardness Tester 1 Max. 1HV KOREA Mounting Press 1 - KOREA Grinding Polisher 1 - KOREA Belt Grinder 1 - KOREA Precision cutting machine 1 - KOREA Micro Meter 9 0 ~ 25mm JAPAN Micro Meter 5 25 ~ 50mm JAPAN Micro Meter 2 50 ~ 75mm JAPAN Vernier Calipers 3 0 ~ 150mm JAPAN Vernier Calipers 1 0 ~ 300mm JAPAN www.sejintube.co.kr 21
  24. 24. 2-7. Testing Facilities (Photo) Universal Test Machine Micro Scope Tester Eddy Current Tester Hydrostatic Tester www.sejintube.co.kr 22
  25. 25. 2-7. Testing Facilities (Photo) Vickers Hardness Tester Mounting Press Grinding Polisher Precision Cutting Machine www.sejintube.co.kr 23
  26. 26. 2-8. Details of Each Facility Description Specification Origin 1. Type : Annealing 2. Heat source : Electricity Non-oxidized Heat 3. Size range : O.D 15.88mm ~ 60.5mm KOREA Treatment Furnace 4. Quenching method : Rapidly cooled by carbon 5. Max. frequency : 100kHz Heat 6. Max. Temp. : 1500 ℃ Treatment Furnace 1. Type : Annealing 2. Heat source : LPG Gas Oxidized Heat 3. Size range : O.D 250mm Max. KOREA Treatment Furnace 4. Quenching method : Rapidly cooled by water 5. Max. Temp. : 1400 ℃ 1. Max. pressure : 20 Mpa Hydro Tester 2. Size range : O.D 15.88mm ~ 38.10mm KOREA 3. Max. Length : 4M ~ 18M 1. Max. pressure : 20 Mpa 2. Size range : O.D 12.70mm ~ 88.90mm Eddy Current Tester FRANCE 3. Max. Length : 24M Max. 4. Model name : CMS www.sejintube.co.kr 24
  27. 27. 2-9. Packing & Storage Carton Box Wooden Box Carton Skid Box Steel Bend Square Wooden Bend www.sejintube.co.kr 25
  28. 28. 3. Q.C MANUAL www.sejintube.co.kr 26
  29. 29. 4-1. Quality Management System Order Control Daily PlantCustomer Monthly Closing Process Operation Report Status Report Procurement Control Review Total Process Production Control Process (Tube Drawing) Status Report Continuous Improvement Activity Inspection Control Process Supply Chain Management Process Delivery Control Self-improvement Data Process Activity Collection & Analysis Select Theme Payment Collecting Survey as-is, cause Control Process Setting Target Plan/Do Actions Effect Analysis Customer’s Claim Standardization Running Control Process /Management Suggestion System IN PUT OUT PUT Operation of Business Plan / Management Policy & Target Management www.sejintube.co.kr 27
  30. 30. 4-2. Quality Management Process Order Control Process Process MapStep Supervised Under Co-operation with Customer Manager Contents of Activities Marketing Department Q.C, Production Customer 1 Order Receive/Distribute ROQ Receiving and distribution of ROQ 2 Review Order Review ROQ Prepare Draft Quotation 3 Prepare Draft Quotation (Including Delivery, Payment, Packing, and Heat Treatment Method) Prepare/ Prepare Quotation (Delivery, Payment Terms, Packing, 4 Distribute Quotation Heat Treatment Method, Effective Period) 5 Review Quotation Review Quotation 6 Customer Send Quotation Send Quotation – Achieve Customer’s Approval Approval 7 Receive/Distribute Order Production Control Receive Customer’s Order, Distribute to Managers Analysis of Based on Roll margin and Sales data, prepare Sales 8 Report Sales Performance Performance Report to Managers www.sejintube.co.kr 28
  31. 31. 4-2. Quality Management Process Production Control Process Process MapStep Supervised Under Co-operation with Customer Managers Contents of Activities Production Dept. QC, Marketing, Admin. 1 Order Control Receive Customer Order Receive and register Customer Order from Marketing. Record Customer, Volume, Delivery, Material, 2 Arrange Delivery Specification, etc. Check raw material and stock, and request purchase of 3 Check Inventory shortage materials. Procurement Prepare/Adjust Control Prepare/adjust/distribute monthly production plan based 4 Monthly Production Plan on status of delivery and raw materials. Prepare/adjust/distribute weekly tubing plan by each Prepare/Adjust 5 Weekly Production Plan machine based on inventory and incoming schedule of raw materials. Check incoming schedule Check and adjust inventory and incoming schedule of 6 /inventory of materials raw materials. Issue Work Order After checking details of customer order (MFG. Spec., 7 (Tubing, Back-process) Steel Spec., QTY, Delivery, and Packing method), issue work order. Control production according to MFG. Spec., and keep Tubing Process 8 Inspection recording of production performance and process Equip. Control inspection report. Control Back-Process Make sure to manufacture according to manufacturing 9 specification of work order.10 Labelling Check packing method and QTY, and attach tag. www.sejintube.co.kr 29
  32. 32. 4-2. Quality Management Process Process MapStep Supervised Under Co-operation with Customer Managers Contents of Activities Production Dept. QC, Marketing, Admin. Check production After checking steel model, order QTY, packing method,11 Delivery Control performance MFG Spec., etc, and prepare product inspection report. Store finished products at stacking area, and make12 Stack/Store Products delivery to customers by delivery schedule. Collect recording data, and make analysis of yield ratio,13 Analysis of production Report Operation ratio, Production Performance ratio, etc, and performance report to managers. www.sejintube.co.kr 30
  33. 33. 4-2. Quality Management Process Delivery Control Process Process MapStep Supervised Under Co-operation with Customer Managers Contents of Activities Marketing Dept. Q.C, Production Production/Inspection Check customer order after completion of production. 1 Check Customer Order Record (Delivery and conforming of requirements) Procurement Control Customer Notice to /Discuss with 2 Notice to /Discuss with customer about delivery plan. customer Receive Delivery Receive customer’s delivery request. (Reflection of 3 Request Verbal or contents of customer order) 4 Delivery Order Delivery Order 5 Loading Products Loading of Products Prepare Invoice and record name of staff responsible for 6 Issue Invoice delivery to designated customer. 7 Check Delivery Check Delivery 8 Receive Invoice Collecting Control Receive customer-confirmed invoice. Perform analysis of delivery based on delivery 9 Analysis of Delivery Report conforming ratio data, and report to managers. www.sejintube.co.kr 31
  34. 34. 4-2. Quality Management Process Customer Claim Control Process Process MapStep Supervised Under Co-operation with Customer Managers Contents of Activities Marketing Dept. Q.C, Production Wire /Mail 1 Customer Claim Receive Customer Claim Receive customer claim thru wire. mail, and fax. 2 Report Customer Claim Report customer claim to production/QC department. Customer Check Inventory Check Claimed defect, and if claim is not defect, discuss 3 Master Book with customer, and record to customer master book. 4 Survey claim contents Start survey of customer claim details. Meeting for Meeting with production and QC to find corrective 5 counter-measure actions based on survey report. 6 Check received defect Check defect sample for customer claim Survey root cause Start to find root cause of defect after checking defect 7 sample. Our responsibility Discuss with If defect is found to be not from our responsibility out of 8 Customer root cause survey report, discuss with customer. Action first, and then If defect is from our responsibility, visit customer to 9 discuss with customer discuss and explain our prior actions. Perform discussed Perform quick corrective actions discussed with10 actions Corrective action customer. www.sejintube.co.kr 32
  35. 35. 4-2. Quality Management Process Process MapStep Supervised Under Co-operation with Customer Managers Contents of Activities Marketing Dept. Q.C, Production11 Report to production Report discussions with customer to production Analysis of Collect recorded Data, and perform analysis of customer12 Report customer claim defect ratio and quality cost, etc, and report to managers. www.sejintube.co.kr 33
  36. 36. 4-2. Quality Management Process Procurement Control Process Process MapStep Supervised Under Co-operation with Customer Managers Contents of Activities Production Dept. Q.C, Marketing Calculate procurement Check inventory Prepare raw material procurement plan after checking 1 volume of raw material inventory of raw materials and finished goods according to monthly production plan. Supplier Prepare /Send ROQ Check steel model, thickness, width, and QTY, and 2 send ROQ to supplier. Receive quotation Receive quotations from each suppliers, and check 3 delivery and price. 4 Supplier Review quotation Arrange and confirm delivery and cost for each suppliers. After confirming final delivery and price for each 5 Prepare Purchase Order suppliers, prepare Purchase Order. 6 Approval Get approval of Purchase Order from President. Send /Confirm Send Purchase Order to selected supplier, and confirm 7 Purchase Order receipt. Control raw material incoming schedule by Production 8 Incoming Progress Control Plan and Purchase Order. Inspection Check if incoming material conforms Purchase Order for Control 9 Incoming QTY, Steel Model, Thickness, Width, and Product Production Inspection Report. Control Collect recorded data, and perform analysis of incoming10 Analysis of Procurement Report schedule conforming ratio, and report to managers. www.sejintube.co.kr 34
  37. 37. 4-2. Quality Management Process Inspection Control Process Process MapStep Supervised Under Co-operation with Customer Managers Contents of Activities Q.C Production Dept. Supply Chain 1 Control Incoming Info. Check incoming date and QTY for raw materials. Procurement Control Check Invoice and inspection report whenever raw 2 Check Purchase Order material incoming arrives. Before receipt of raw material, perform incoming 3 Incoming Inspection inspection. (Weight, dimension) Prepare /Notice to return If incoming inspection finds defects, send notice to 4 notice with return causes. supplier. Report Check defects with supplier, and if no good to input, 5 Check products Production make decision to return with agreement of supplier. Control Tubing /back-process Perform In-process inspection during Tubing /Back- 6 Inspection process. (Dimension, inner/outer surface) Search defect trend for defects found during in-process 7 Search defect trend inspection. 8 Pass/No-Good Make decision if defect can be repaired. 9 Store /Identify Store and identify defect goods.10 Re-inspection Perform re-inspection www.sejintube.co.kr 35
  38. 38. 4-2. Quality Management Process Process MapStep Supervised Under Co-operation with Customer Managers Contents of Activities Q. C. Production Dept. Send repaired defect to final inspection, and send non-11 Repair /Disposal Inspection Control repairable defect to disposal. Perform final inspection before product dispatch.12 Final Inspection (Dimension, mechanical properties)13 Disposal Delivery Defects in final inspection shall be disposed. Control Collect recorded data, and perform analysis of in-14 Analysis of Report process defect ratio, finished good defect ratio, and in- Inspection result house quality cost, etc, and report to managers. www.sejintube.co.kr 36
  39. 39. 4-2. Quality Management Process Supply Chain Control Process Process MapStep Supervised Under Co-operation with Customer Managers Contents of Activities Production dept. Q.C, Marketing Control Supplier Order for back- Arrange incoming schedule with production completion 1 Process request schedule of out-sourcing supplier. 2 Logistics Plan Check logistics plan of completed out-sourcing products. 3 Delivery Order Delivery Order to out-sourcing supplier. 4 Loading Loading of out-sourcing product. 5 Check Delivery Check dimension and QTY before delivery. 6 Issue Invoice Issue Invoice. Receive 7 Invoice Supply to out-sourcing Supply out-sourcing product to supplier. Control incoming Check incoming schedule of out-sourcing product thru 8 progress wire. 9 Incoming Incoming of out-sourcing product. Incoming Inspection Upon incoming of out-sourcing product, perform10 incoming inspection by QC inspector. www.sejintube.co.kr 37
  40. 40. 4-2. Quality Management Process Process MapStep Supervised Under Co-operation with Customer Managers Contents of Activities Production dept. Q.C, Marketing Input inspected out-sourcing product to in-process of11 Input to in-process production. Analysis of Report Perform analysis of incoming schedule conforming ratio,12 out-sourcing pass-ratio, etc, and report to managers. www.sejintube.co.kr 38
  41. 41. 4-3. Quality Control Plan Welded tube & pipe Control Items and Quality Characteristics Controlling Manufacturing Process Control Items Check Point Methods Number of Test1. Material Receiving 1) Mill Certificate Review 1) Measuring by micrometer2. Incoming Inspection Each heat 2) Dimension &Surface 2) Visual Inspection 1) Welding Speed3. Welding 1) Soundness of weld 2) Welding voltage and current Manufacturing standard At any time 3) Gas quantity 1) Condition of the outside and4. Removal of weld 1) Visual inspection Dimension and surface inside weld beads. At any time beads 2) Measuring by micrometer 2) Outside diameter, thickness Homogeneity of the weld and 1) Annealing temperature5. Bright annealing Manufacturing standard At any time heat affected zone 2) Hold time Manufacturing standard and6. Straightening Dimension Straightness Every working turn Visual inspection7. Cutting Dimension Length 1) Measuring by tape measure At any time8. End facing Dimension Bevel angle Manufacturing standard Every working turn 1) Frequency 2) Sensitivity Manufacturing standard and9. Eddy current test Soundness of the tube Each tube 3) Phase 4) Search coil specification 1) Outside diameter, thickness, length 1) Measuring by micrometer and 1) Dimension10. Final inspection 2) Tensile test tape measure Each lot 2) Mechanical properties 3) Hardness test 2) Measuring by related spec. 4) Other test 1) Packing state11. Packing Manufacturing standard 2) Shipping mark www.sejintube.co.kr 39
  42. 42. 4-3. Quality Control Plan Seamless tube & pipe Control Items and Quality Characteristics Controlling Manufacturing Process Control Items Check Point Methods Number of Test1. Material Receiving 1) Mill Certificate Review 1) Measuring by micrometer2. Incoming Inspection Each heat 2) Dimension &Surface 2) Visual Inspection 1) Reduction ratio 1) Drawing Speed 1) Manufacturing standard3. Drawing 2) Dies & Plug 2) Outside, thickness 2) Measuring by micrometer At any time 3) Dimension 3) Surface 3) Visual Inspection Homogeneity of the heat 1) Annealing temperature4. Annealing Manufacturing standard At any time affected zone 2) Hold time Manufacturing standard and5. Straightening Dimension Straightness Every working turn Visual inspection6. Cutting Dimension Length 1) Measuring by tape measure At any time7. End facing Dimension Bevel angle Manufacturing standard Every working turn8. Pickling Surface Visual Inspection At any time 1) Frequency 2) Sensitivity Manufacturing standard and9. Eddy current test Soundness of the tube Each tube 3) Phase 4) Search coil specification 1) Outside diameter, thickness, length 1) Measuring by micrometer and 1) Dimension10. Final inspection 2) Tensile test tape measure Each lot 2) Mechanical properties 3) Hardness test 2) Measuring by related spec. 4) Other test 1) Packing state11. Packing Manufacturing standard 2) Shipping mark www.sejintube.co.kr 40
  43. 43. 4. CERTIFICATES www.sejintube.co.kr 41
  44. 44. 5. Certificates ISO 9001 CE PED www.sejintube.co.kr 42
  45. 45. 5. Certificates KS D3577 KS D3595 www.sejintube.co.kr 43
  46. 46. 5. MAJOR SUPPLY RECORD www.sejintube.co.kr 44
  47. 47. 5. Major Supply Record Year Plant/Project Name Customer Material Q’ty(Ton) JORD International2006. 09. ATRHIT PLATIFORM PHASEⅡ ASTM A249 TP304 53.3 PTY.LTD2007. 03. SAMYANG Corporation HANTEC Eng. ASTM A249 TP304 42.82007. 03. KOLON E&C DAESUNG STAINLESS ASTM A249 TP304 25 JORD International2007. 05. PARAXYLENE REVAMP Project ASTM A249 TP304 53.3 PTY.LTD2007. 11. MITSUBISHI Heavy Industries DONGHWA ENTEC ASTM A249 TP316L 222007. 11. HYUNDAI Eng WOOYANG HC ASME SA249 TP316L 120.32008. 01. OXIDATION REACTOR CONDENSOR TSM TECH ASME SA249 TP316L 35.22008. 01. MITSUBISHI Chemical Corp. TAEBANG ASTM A249 TP304 19.22008. 03. PUERTO CORONEL SUNGJIN GEOTEC ASME SA249 TP304 242008. 03. DESALINATION EVAPORATOR SUNGJIN GEOTEC ASTM A249 TP304 21.22008. 04. LNG RECEIVING PROJECT WONIL T&I ASTM A249 TP304 16.7 www.sejintube.co.kr 45
  48. 48. 5. Major Supply Record Year Plant/Project Name Customer Material Q’ty(Ton)2008. 04. LNG RECEIVING PROJECT WONIL T&I ASME SA249 TP316L 452008. 05. DC Chemical UNIWEL ASTM A249 TP304 232008. 05. KAVIAN PROJECT FATEH SANAT KIMIA ASTM A213 TP316L 113.9 JORD International2008. 05. BETARA GAS DEVELOPMENT PJT ASTM A249 TP304 112 PTY.LTD2008. 06. TAWEEELAH A10 POWER PJT SEWON CELLONTECH ASTM A249 TP316L 19.52008. 06. INCHEON LNG FIN TUBE TEC ASME SA249 TP316L 282008. 06. DC Chemical KDM TECH ASME SA249 TP316L 26.22008. 06. MITSUBISHI Chemical Corp. DONGHWA ENTEC ASTM A249 TP304 292008. 07. GLOBAL SUPPLIES (UAE) FZE SUNGJIN GEOTEC ASTM A249 TP316L 27 DONGNAM ELECTRIC2008. 07. MYCOMKOREA ASTM A213 TP304 29.1 POWER STATION2008. 07. DCC P2 PROJECT SEJIN SPECIAL STEEL ASTM A213 TP316L 20.9 www.sejintube.co.kr 46
  49. 49. 5. Major Supply Record Year Plant/Project Name Customer Material Q’ty(Ton)2008. 07. BECHTERL-JACOBS SUNGJIN GEOTEC ASTM A249 TP304 5.42008. 09. LNG PROJECT TSM TECH ASTM A213 TP316L 17.32008. 09. DCC P2 PROJECT DONGIL TECH ASTM A249 TP304 41.32008. 09. MITSUBISHI Heavy Industries SPC ASTM A249 TP316L 172008. 10. SODIF DONGIL TECH ASME SA249 TP316L 222008. 10. KL-GUMI-004 HANMO CORP. ASME SA249 TP316L 452008. 10. MVR THICKENING HANTEC ENG. ASTM A249 TP304 60.22008. 11. SIPCO CCPP PROJECT TSM TECH ASTM A249 TP316L 312008. 11. AL – 17BT – L(CHILE) SPICO ASTM A249 TP304L 53.32008. 07. POSCO E&C HANTEC ENG. ASTM A213 TP304 42.82009. 01. HYUANDAI ENG TSM TECH ASTM A249 TP316L 25 www.sejintube.co.kr 47
  50. 50. 5. Major Supply Record Year Plant/Project Name Customer Material Q’ty(Ton)2009. 01. MA’ADEN PROJECT DAEDONG ENTEC ASTM A249 TP304 0.92009. 01. DAEWOO ENG SUNJIN METALEX ASTM A213 TP304L 222009. 01. QAFCO-FACIATIES KORINOX ASME SA249 TP316L 120.32009. 01. JUBAIL EXPORT REFINERY KORINOX ASTM A249 TP304 35.22009. 03. GP PROJECT TSM TECH ASTM A249 TP304 19.2 SUNGDONG2009. 03. JMC ASTM A249 TP304 6 STAINLESS2009. 03. GRAND STEAM CONDENSER TSM TECH ASTM A249 TP304 7 CHILE ANGAMOD HFO2009. 04. KPHE ASTM A688 TP304 2.5 SUCTION HEATER SUNGDONG2009. 05. BANG GWANG IND. ASTM A249 TP304L 130 STAINLESS2009. 06. K2 PROJECT TSM TECH ASTM A249 TP316L 10.52009. 07. KAVIAN PROJECT FATEH SANAT KIMIA ASTM A213 TP316L 101.3 www.sejintube.co.kr 48
  51. 51. 5. Major Supply Record Year Plant/Project Name Customer Material Q’ty(Ton)2009.12. AERO FEEZE SYSTEM NEXGEN METAL INC. ASTM A249 TP304L 70.62010. 05. NATIONAL IRANIAN OIL COMPANY TASHA MFG. ASTM A249 TP316L 27.72010. 07. PATKOL SUNJIN METALEX ASTM A249 TP304 1362010. 07. AERO FEEZE SYSTEM NEXGEN METAL INC. ASTM A249 TP304L 52.32010. 11. HACCOGEN MACKAY SUGAR PLANT TSM TECH ASME SA249 TP304 12 REFICAR/CBI ASME SA2492010. 11. CARTAGENA REFINERY EXPANSION 188.7 /INTERCOL S.A. TP317L/304 ABAN AIR COOLER2011. 01. - ASTM A213 TP316L 269.8 CO. TASHA2011. 01. GASTECH PROJECT ASME SA213 TP316L 42.3 MANUFACTURING2011. 09. DAELIM / POCHEON LNG TSM TECH CO.,LTD. ASME SA249 TP304 205.82011. 12. HYUNDAI ENGINEERING / UCHI2 TSM TECH CO.,LTD. ASME SA249 TP316L 64.72012. 01. TPSC KERAMASAN TSM TECH CO.,LTD. ASME SA249 TP316L 10.8 www.sejintube.co.kr 49
  52. 52. 5. Major Supply Record Year Plant/Project Name Customer Material Q’ty(Ton)2012.01 TOSHIBA / EASAR SALAYA TSM TECH CO., LTD. ASME SA688 TP304 1.4 WESTINGHOUSE /2012.01 TSM TECH CO., LTD. ASME SA688 TP304 16.5 AP1000 ME2A SCANA2&3 & VOGTLE 3&4 www.sejintube.co.kr 50
  53. 53. Thank You.

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