ASTM MATERIAL SUMMARY FOR BOLTS
American Society for Testing and Materials (ASTM), Alloy Steel Bolt Materials Specifications:
ASTM A307 Grade B7-Chromium-Molybdenum Steel
ASTM A193 Grade B7M-Reduced tensile strength, hardness controlled to 235 Brinell max.
ASTM A193 Grade B16-vanadium Steel
ASTM A320 Grade L7-Designed for low temperature applications
ASTM A320 Grade L7M-Reduced tensile strength, hardness controlled to 235 Brinell max.
ASTM A193 Grade B8-Chromium-Nickel austnitic steel- 304 Stainless
ASTM A193 Grade B8M- Chromium-Nickel Molybdenum austnitic steel- 316 Stainless
American Society for Testing and Materials (ASTM), Alloy & Carbon Steel Nut Materials Specifications:
ASTM A194 Grade A- Low Carbon, Non-Heat Treat, Heavy Pattern
ASTM A194 Grade C- Recommended use with A325 Structural Bolts, Lock Nut Spec.
ASTM A194 Grade GT- Automation Flange Lock Nut, C1022-1045 SteelGrade 2- Low Carbon, Non- Heat Treat, Finished Pattern
ASTM A194 Grade 2H-Recommended use with A325 Structural Bolts, High Pressure & High Temp.
ASTM A194 Grade 2HM-Grade 5-
ASTM A194 Grade DH- Recommended use with A490 Type 1 Structural Bolts
ASTM Grade DH3- Recommended use with A490 Type 3 Structural BoltsGrade 8-
ASTM A194 Grade F- Large Flange Nut, AISI 1008-1035 steel
ASTM A194 Grade 4-
ASTM A194 Grade L7-ASTM A194 Grade L7M-Stainless Steel-
ASTM A194 Grade 8-Series Stainless Steel, Heavy Pattern
ASTM A194 Grade 8M- 316 Series Stainless Steel, Heavy Pattern