A841 Grades F Class 8 - ASTM A841/A841M-2017

牌号	A841 Grades F Class 8
對應标準	ASTM A841/A841M-2017 通過熱機械控制工藝生產的壓力容器用鋼闆 Steel Plates for Pressure Vessels, Produced by ThermoMechanical Control Process (TMCP)
歸類	合金鋼

A841 Grades F Class 8 化學元素成分含量(%)

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	-	Alt≥0.02或Als≥0.015

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.

碳當量計算

A841 Grades F Class 8 機械性能

抗拉強度 σ_b Mpa	屈服點 σ_s Mpa	斷後伸長率或延伸率 δ %
620~760	≥550	（50mm） ≥18

L0-标距

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