50WT - CSA G40.21-2004 - H2ABC

中文版

Grade	50WT
Corresponding Standard	CSA G40.21-2004 Structural Quality Steel
Classification	Carbon Steel

50WT Chemical Element Composition Content (%)

	Component	C ^ⓕ	Si ^ⓑ	Mn ^ⓖ	P	S
①	Minimum Value	-	0.15	0.8	-	-
①	Maximum Value	0.22	0.4	1.5	0.03	0.04

	Component	C	Si ^ⓑ	Mn ^*	P	S
②	Minimum Value	-	0.15	0.5	-	-
②	Maximum Value	0.22	0.4	1.5	0.03	0.04

50WT Mechanical Properties

thickness t in	Tensile Strength σ_b ksi	Yield Point σ_s ksi	Elongation or Extension Rate δ %
t≤2-1/2①	70~95	≥50	L0=8in: long.: ≥19 tr.: ≥17 L0=2in: long.: ≥22 tr.: ≥20
2-1/2＜t≤6①	70~95	≥46	L0=8in: long.: ≥19 tr.: ≥17 L0=2in: long.: ≥22 tr.: ≥20
Rolled shapes and sheet piling；common shape size group 3	70~95	≥50	L0=8in: ≥19② L0=2in: ≥22
Hollow section	65~90	≥50	L0=2in: ≥22

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