SM400A - Q/BQB 303-2018

Grade	SM400A
Corresponding Standard	Q/BQB 303-2018 Conti nuousl y hot-rol l ed steel sheet and stri p for general structure
Brand/Supplier	-> BAOSTEEL
Classification	Carbon Steel

SM400A Chemical Element Composition Content (%)

Component	C	Si	P	S	More
Minimum Value	-	-	-	-	Mn≥2.5C*
Maximum Value	0.23	0.35	0.025	0.025	Mn≥2.5C*

SM400A Mechanical Properties

thickness t mm	Tensile Strength σ_b Mpa	Yield Point σ_s Mpa	Elongation or Extension Rate δ %
t≤5	400~510	≥245	① ≥23
5＜t≤16	400~510	≥245	② ≥18
t＞16	400~510	≥235	② ≥22

SM400A 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"!