SA-540 Grade 4340 Class 5 (米国 / ASME) Material Properties
代替的な呼称:
2Ni-3/4Cr-1/3Mo
材料グループ:
鉄合金 / 構造・建築鋼
国 / 規格:
米国 / ASME
データ更新
最新情報: 2024-02
更新の総数: 5
更新履歴:
2023-11
2020-05
2019-11
2016-02
機械的特性
温度
物理的特性
温度
成分
基準
値
単位
CAS 番号
基準
C
値
0.37 – 0.44
単位
%
CAS 番号
7440-44-0
基準
Cr
値
0.70 – 0.95
単位
%
CAS 番号
7440-47-3
基準
Mn
値
0.70 – 0.90
単位
%
CAS 番号
7439-96-5
ASME Boiler and Pressure Vessel Code An International Code Section II - Part A Ferrous Material Specifications / American Society of Mechanical Engineers / 2023
熱処理
- Material which is ordered in the annealed condition shall have a structure suitable for machining.<br /> Material which is ordered in the liquid quenched and tempered condition shall be uniformly reheated from a temperature below the cooling transformation range to the proper austenitizing temperature. It shall be quenched in a liquid medium under substanially uniform conditions and then uniformly reheated for tempering. The minimum tempering temperature shall be 455°C (850°F).<br /> Material that has been straightened after quenching and tempering shall be stress relieved by reheating to a temperature not lower than 55°C (100°F) under the tempering temperature.