550WT - CSA G40.21-2004

Grade	550WT
Corresponding Standard	CSA G40.21-2004 Structural Quality Steel
Classification	Carbon Steel

550WT Chemical Element Composition Content (%)

	Component	C	Si ^ⓑ	Mn ^ⓖ	P	S
①	Minimum Value	-	0.15	-	-	-
①	Maximum Value	0.15	0.4	1.75	0.03	0.04

	Component	C	Si ^ⓑ	Mn ^*	P	S
②	Minimum Value	-	0.15	-	-	-
②	Maximum Value	0.2	0.4	1.85	0.03	0.03

550WT Mechanical Properties

thickness t mm	Tensile Strength σ_b Mpa	Yield Point σ_s Mpa	Elongation or Extension Rate δ %
t≤65①	620~860	≥550	L0=200mm: long.: ≥13 tr.: ≥10 L0=50mm: long.: ≥15 tr.: ≥12
Hollow section	620~860	≥550	L0=50mm: ≥15

550WT Corresponding Standards(Same grade name, different standards)

Note: The data is for reference only! If you have any questions, please fill out "I want to correct it"!