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Bolting
Material
Wiki Common user: Alexander AlUS
1
Material of construction
• Carbon steel
• Low alloy steel
• Stainless steel
• Exotic material, such as Monel, Inconel, Nic...
Material of construction
• These material further divide in
− High Strength
− Intermediate strength
− Low Strength
• List ...
Materials for Stud & Bolt
• Common material grade used are
• ASTM A193 Gr B7, B7M, B5, B8 etc.
• ASTM A320 Gr L7,L7A,L7B e...
Materials for Nut
• Nuts may be machined from the same material as
stud or may be of a compatible grade of ASTM A194
• AST...
Materials for Washers
• Common material grade used are
• ASTM F436,ASTM F844, ASTM F959
• If not specified it can be manuf...
Coating
• Bolting are also coated with different materials to
improve its corrosion resistance and reduce
maintenance
− Ch...
What you have learned?
• Materials for Stud, Bolt, Nut
&washers
• Different type of coating
8
See you
in the next lecture…
9
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Bolting material Grades for Stud, Nut, Washer & Bolt.

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Learn about ASTM Material Grades used to manufactured Bolting Material such as Stud, Bolt, Nut and Washers

Published in: Engineering

Bolting material Grades for Stud, Nut, Washer & Bolt.

  1. 1. Bolting Material Wiki Common user: Alexander AlUS 1
  2. 2. Material of construction • Carbon steel • Low alloy steel • Stainless steel • Exotic material, such as Monel, Inconel, Nickel alloy 2
  3. 3. Material of construction • These material further divide in − High Strength − Intermediate strength − Low Strength • List of ASTM Material grade used for manufacturing stud are given in ASME B16.5 3
  4. 4. Materials for Stud & Bolt • Common material grade used are • ASTM A193 Gr B7, B7M, B5, B8 etc. • ASTM A320 Gr L7,L7A,L7B etc. • ASTM A354 Gr BC, BD etc.. • ASTM A540 Gr B21 to B24 4
  5. 5. Materials for Nut • Nuts may be machined from the same material as stud or may be of a compatible grade of ASTM A194 • ASTM A194 list the material grades which suit various stud materials • ASTM A194 Gr 2,2H,2HM,8,8M 5
  6. 6. Materials for Washers • Common material grade used are • ASTM F436,ASTM F844, ASTM F959 • If not specified it can be manufactured from any compatible grade material 6
  7. 7. Coating • Bolting are also coated with different materials to improve its corrosion resistance and reduce maintenance − Chrome plated − Galvanized − Xylan coated − PTFE coated 7
  8. 8. What you have learned? • Materials for Stud, Bolt, Nut &washers • Different type of coating 8
  9. 9. See you in the next lecture… 9

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