Nickel Chromium Molybdenum Steel
ASTM A290 Grade 4 Class K Quenched and TemperedNickel Chromium Molybdenum Steel
ASTM A290 Grade 4 Class G Quenched and TemperedNickel Chromium Molybdenum Steel
ASTM A290 Grade 4 Class H Quenched and TemperedNickel Chromium Molybdenum Steel
ASTM A290 Grade 4 Class J Quenched and TemperedNickel Chromium Molybdenum Steel
ASTM A290 Grade 4 Class L Quenched and Tempered