ASTM Grade 4 Class H

Quick Comparison

Nickel Chromium Molybdenum Steel

ASTM A290 Grade 4 Class K Quenched and Tempered

Nickel Chromium Molybdenum Steel

ASTM A290 Grade 4 Class G Quenched and Tempered

Nickel Chromium Molybdenum Steel

ASTM A290 Grade 4 Class I Quenched and Tempered

Nickel Chromium Molybdenum Steel

ASTM A290 Grade 4 Class J Quenched and Tempered

Nickel Chromium Molybdenum Steel

ASTM A290 Grade 4 Class L Quenched and Tempered