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A841 Grades F Class 7簡(jiǎn)介

牌號(hào) A841 Grades F Class 7
對(duì)應(yīng)標(biāo)準(zhǔn) ASTM A841/A841M-2017
通過熱機(jī)械控制工藝生產(chǎn)的壓力容器用鋼板
Steel Plates for Pressure Vessels, Produced by ThermoMechanical Control Process (TMCP)
歸類 合金鋼
A841 Grades F Class 7 化學(xué)元素成分含量(%)
成分 C ① Si Mn ① P S Cr Ni Cu Mo V Nb B Al ② 更多
最小值 - 0.1 1.1 - - - - - - - - - 0.02 Alt≥0.02或Als≥0.015
最大值 0.1 0.45 1.7 0.02 0.008 0.3 0.85 0.4 0.5 0.09 0.1 0.0007 -
① For each reduction of 0.01 percentage point below the specified maximum for carbon, an increase of 0.06 percentage points above the specified maximum for manganese is permitted, up to a maximum of 1.85 %.
② By agreement, the steel may be produced with titanium, in which case the minimum atuminum content shall not apply. When this option is exercised. the titanium content, by heal analysis, shall be 0.006 % to 0.03 %, and the actual titanium content shall be reported on the test report. 碳當(dāng)量計(jì)算
A841 Grades F Class 7 機(jī)械性能
抗拉強(qiáng)度
σb
Mpa 		屈服點(diǎn)
σs
Mpa 		斷后伸長率或延伸率
δ
%
590~730 ≥515 （50mm）
≥19
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