What we supply? Cast iron rolls, cast steel rolls, forged rolls Application: hot mills, cold mills Competitive edges: ^We’re a manufacturer ^ over half century roll-manufacturing experience ^More proffesional ^Provide better technical service, after-sale service, as well as more competitive compared to traders and most other roll suppliers.

1. Changzhou Kaida Heavy Industry
Technology Co Ltd
2014.02

2. Contents
What we do How we do
Who we are
KAIDA

3. Who we are
 Founded in 1951;
 Start roll manufacture in 1979, with 35 years roll
manufacturing experience
 Over 500 employees
 Company area: 80000m2
 Annual Production Capacity: 50,000 T

4. Who we are
 We are honored as High-Tech Enterprise with over 13
patents
Certificate of High Tech-Enterprise

5. Who we are
 We are well managed and have certificated by the
authority.
Environment Certificate Quality Certificate Healthy and Safety
Certificate

6. What we do
 Cast Iron Roll
 Cast Steel Roll
 Cast Roller Ring
 Forge Steel Roll

7. Range of Products
 Cast Iron Roll
Name Hardness HS
Tensile
Strength
MPa
Bending
Strength
MPa
Dimension
mm
Unite
Weight
KG
Application
IC 55-85 ≥160 / ￠300-1000 500-30000
Rolls for intermediate and finish stands
of section mills, bar and rod mills, hot
strip mills; medium & heavy plate mills,
hot strip mills, work rolls, skin pass rolls
CC 60-70 ≥160 300-700 ￠300-800 300-7000
Rolls for finish stands of small section
mills, bar and wire mills, hot narrow
strip mills, temper mill work rolls
SG 50-70 ≥320 500-800 ￠300-1300 500-35000
Rolls for finished stands of small section
mills, bar and wire mils, hot narrow
strip mills, temper mill work rols
SGP 45-72 ≥450 / ￠300-1350 500-35000
Rolls for booming mills, rolls for roughing
and intermediate stands of bar, rod and
section mills
IC: Alloy Indefinite Chilled 合金无限冷硬铸铁 CC：Alloy Chilled Cast 合金冷硬铸铁
SG： Alloy Nodular Cast Iron Rolls合金求魔铸铁轧辊 SGP: Spheroidal Graphite Pearlite Rolls 珠光体球墨铸铁

8. Range of Products
 Cast Iron Roll
Name Hardness HS
Tensile
Strength
MPa
Bending
Strength
MPa
Dimension
mm
Unite
Weight
KG
Application
SGA 55-80 ≥350 600-800 ￠300-1000 500-12000
Finish Stand of small section mills, hot
narrow strip mills, intermediate stands
of bar and rod mils, pre-finish stands of
wire mills
NCC 40-60 ≥520 970-1380 ￠500-1380
1000-
35000
Roughing stands of bar and wire mils,
BD2 mills for large section
HCr 60-90 ≥350 / ￠400-1000 800-15000
Vertical rolls and skin pass rolls for hot
strip mills, work rolls for medium and
heavy plate mills, roll sleeves for
universal mills
HCrCold 75-90 ≥380 / ￠400-650
3000-
10000
Work Rolls for Cold rolled tin plate
mills
SGA: Bainitic Nodular Cast Iron Rols 贝氏体球墨铸铁轧辊 N CC： Non Continuous Carbides Rolls NCC 轧辊
HCr：High Chrome Centrifugal Cast Iron Roll 高铬铸铁离心轧辊 HCrCold: Cast Roll for cold rolling mill.铸造冷轧钢

9. Range of Products
 Cast Steel Roll
Name Hardness HS
Tensile
Strength
MPa
Bending
Strength
MPa
Dimension
mm
Unite
Weight
KG
Application
HWD 40-65
≥1000
(≥500 Core)
/ ￠600-1480
5000-
45000
Blooming and Roughing Stand of Large
section Mills
AS 35-65 ≥650 / ￠600-1600
1000-
50000
Blooming and slabbing mills, roughing
stands of large section mills; Rough
stands of bar and wire mills, breakdown
rolls for rail and section universal mills
AD 35-65 / 500-850 ￠400-1400
1000-
40000
Blooming and slabbing mills, roughing
stands of large section mills;
Roughing stands of small and medium
section mills, bar and wire mills, narrow
strip mills, vertical Rolls;
Blloming and slabbing mills. Rough
stands, back up rolls for hot narrow
strip mills, intermediate and finishing
stands of large section mill

10. Range of Products
 Cast Steel Roll
Name Hardness HS
Tensile
Strength
MPa
Dimension
mm
Unite
Weight
KG
Application
GS 36-65 ≥450 ￠400-1480
5000-
45000
Roughing stands of section mill, bar and wire mills
and hot strip mills, roll sleeves for universal mills
HCrS 70-85 ≥450 ￠500-1000
1000-
25000
Roughing work rolls for hot strip mills, vertical rolls,
universal section mills.
HSS 75-95 / ￠300-700 800-15000
Finishing Work rolls for hot strip mills and bar mills,
universal section mills; pre-finishing rolls for high
speed wire mills;
Roughing work rolls for hot strip mills, work rolls and
intermediate rolls for cold strip mills.

11. Range of Products
 Roller Ring
Name Hardness HS
Tensile
Strength
MPa
Dimension
mm
Unite
Weight
KG
Application
SGP 55-65 ≥450
￠400-1700 400-10000
Horizontal sleeve for universal mill, sleeve for vertical
roll, sleeve for roughing and intermediate stand of mill
for bar and rod
SGA 60-70 ≥450
AD 50-60 ≥600
GT 55-65 ≥700
K-Me 60-70 ≥700
GS 55-65 ≥700

12. Range of Products
 Forged Steel Roll
Name Hardness HS
Tensile
Strength
MPa
Dimension
mm
Unite Weight
KG
Application
WR 85-102 ≥850 200-800 500-10000 Reversal CRM, Tandem Mill, SPM, Temper Mill
IMR 72-82 ≥850 300-800 1000-10000 Reversal CRM, Tandem Mill, SPM, Temper Mill
BUR 55-80 ≥750 500-1800 2000-80000
Reversal CRM, Tandem Mill, SPM, Temper Mill,
HSM

13. How we do
 Production
 R&D
 Market and after sale service
 Client List

14. How we do
 Production Process
Mould
Molding
sand
preparing
Mould
Dry
Mould
Assembl
y
Smelting
Static
Casting
Horizontal
CC
Vertical
CC
Sand
cleaning
Rough
machining
annealing
finishing
machining
Inspection
Packing
Delivery

15. Production Facilities
No. Facility name Model/Specs Qyt’s
1
Medium Frequency
Induction Furnace
7500Kw/250Hz/2
5t
2
2
Medium Frequency
Induction Furnace
10t 2
3
Medium Frequency
Induction Furnace
3t 2
4
Medium Frequency
Induction Furnace
1t 1
5 Resistor Furnace 80M3 25
6
High Temperature
Tempering Furnace
50M3 10
7
Low Temperature
Tempering Furnace
60M3 6
8
Centrifugal Casting
Machine
Φ400/φ1600 6

16. Production Facilities
No. Facility name Model/Specs Qyt’s
1 Sand Production Line 15t/h 1
2 Roll Lathe Machine C8440～C84160 45
3 Heavy Lathe Machine C61100～C61200 45
4 Vertical Lathe Machine CK5225M/2 etc. 5
5 CNC Lathe Machine
CK8463/CK84160/C
K84125 etc.
8
6 Linear Cutting Machine DK7763 7
7 CNC Grinding Machine MK84180 1
8 Roll Grinding Machine M84160/M84125 3
9 Grinding Machine M1380 etc. 4
10 Milling Machine XQ2017 etc. 5
11 CNC Milling Machine XK9416 2

17. How we do
 R&D
I. Technical Center
With Professional Engineers and Equipment
II. Patents
III. Cooperation Institute

18. How we do
 R&D Devices
Item Equipments Qty’s Supplier
1 Spectrum Analyzer 2 Swiss
2 Metallographic Microscope 3 Olympus
3 Ultrosonic Tester 3 Sonatest
4 Liquidus Temperature Analyzer 2 Heraeus
5 Thermal Analyzer 2 Heraeus
6
High Infrared Ray Carbon Sulphur
Analyzer
1
7 Share Hardness Tester 2 Hitachi
8 Portable Hardness Tester 2 Equotip
Liquidus Temperature Analyzer
Spectrum Analyser

19. Market and after sale service
Client list

20. After sale service
Worldwide Agent Distribution

21. Thank you for your attention!