50W - CSA G40.21-2004 - H2ABC

中文版

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

50W Chemical Element Composition Content (%)

	Component	C	Si ^ⓐⓑ	Mn	P	S
①	Minimum Value	-	-	0.5	-	-
①	Maximum Value	0.23	0.4	1.5	0.04	0.05

	Component	C	Si ^ⓑ	Mn ^*	P	S
②	Minimum Value	-	-	0.3	-	-
②	Maximum Value	0.23	0.4	1.2	0.04	0.05

50W Mechanical Properties

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

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