規格番号：ASTM A592/A592M
タイトル：Standard Specification for High-Strength Quenched and Tempered Low-Alloy Steel Forged Parts for Pressure Vessels
圧力容器用高強度焼入れ・焼入低合金鋼鍛造部品の標準仕様
http://www.astm.org/cgi-bin/resolver.cgi?A592A592M
ASTM A592/A592M – 圧力容器用高強度焼入れ・焼入低合金鋼鍛造部品の標準仕様