4640

Standards

• SAE AMS 6312H:2011Steel bars,forgings,and tubing 1.8Ni-0.25Mo (0.38-0.43C) (4640) (UNS K22440)
  • Chemical composition
  • Mechanical properties
• SAE AMS 6317J:2012Steel Bars and Forgings 1.8Ni.0.25Mo (0.38.0.43C) (4640) Heat Treated,125 ksi (862 MPa) Tensile Strength UNS K22440
  • Chemical composition
  • Mechanical properties
• SAE J 1249:2000SAE J 1249
  • Chemical composition