Grade B7 - Alloy steel, AISI 4140 or 4142, quenched and tempered

Chromium-Molybdenum Alloy Steel, AISI 4140 or 4142, Quenched & Tempered

• Diameter: 2 1/2" and under
  • 125,000 min psi Tensile Strength
  • 105,000 min psi Yield Strength ​​​
• Suggested Hardware
  • ASTM A194 Grade 2H Heavy Hex Nuts
  • ASTM F436 Flat Washers

More info: Standard Specification for Alloy-Steel and Stainless Steel Bolting for High Temperature or High Pressure Service and Other Special Purpose Applications - https://www.astm.org/Standards/A193.htm

Call us at 808-834-1919 or email Sales@HawaiiNutandBolt.com with your questions, submittal requests and requirements.