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A841 Grades E Class 4简介

牌号 A841 Grades E Class 4
对应标准 ASTM A841/A841M-2017
通过热机械控制工艺生产的压力容器用钢板
Steel Plates for Pressure Vessels, Produced by ThermoMechanical Control Process (TMCP)
归类 合金钢
A841 Grades E Class 4 化学元素成分含量(%)
成分 C Si Mn P S Cr Ni Cu Mo V Nb B Al 更多
最小值 - 0.05 0.7 - - - - - - - - - 0.02 Alt≥0.02或Als≥0.015
最大值 0.07 0.3 1.6 0.015 0.005 0.3 0.6 0.35 0.3 0.06 0.08 0.0007 -
① By agreement, the steel may be produced with titanium, in which case the minimum aluminum content shall not apply. When this option is exercised, the titanium content, by heat analysis, shall be .006 % to 0.02 %, and the actual titanium content shall be reported on the test report. 碳当量计算
A841 Grades E Class 4 机械性能
抗拉强度
σb
Mpa
屈服点
σs
Mpa
断后伸长率或延伸率
δ
%
580~715 ≥485 (50mm)
≥20
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