Bolt Material Properties

Mechanical property tables for bolting materials used in pressure vessel, piping, and flange applications.

• ASTM A193 — High Temperature Bolting
  Alloy steel and stainless steel bolting for high temperature or high pressure service. Includes grades B5, B6, B7, B8, B16, and more.
• ASTM A320 — Low Temperature Bolting
  Alloy steel and stainless steel bolting for low-temperature service. Includes grades L7, L43, L1, B8, and B8M.
• ASTM A453 — High Temperature Special Application Bolting
  High-temperature bolting with expansion coefficients comparable to austenitic stainless steels. Includes grades 660, 651, 662, 665, and 668.