Medium Carbon Steel
ASTM A649 Class 5 Grade 1, Normalized, Liquid Quenched and TemperedChromium Molybdenum Steel
ASTM A649 Class 1A Grade 1, Normalized, Liquid Quenched and TemperedNickel Chromium Molybdenum Steel
ASTM A649 Class 1B Grade 1, Normalized, Liquid Quenched and TemperedNickel Chromium Molybdenum Steel
ASTM A372 Grade L Liquid Quenched and Tempered, or Normalized followed by Liquid Quench and Temper