SN490B - Q/BQB 313-2019

SN490B Chemical Element Composition Content (%)

Component	C	Si	Mn	P	S	More
Minimum Value	-	-	-	-	-	Ceq≤0.44
Maximum Value	0.18	0.55	1.65	0.025	0.015	Ceq≤0.44

SN490B Mechanical Properties

thickness t mm	Tensile Strength σ_b Mpa	Yield Point σ_s Mpa	Elongation or Extension Rate δ %
6≤t＜12	490~610	≥325	≥17
12≤t≤16	490~610	325~445	≥17
t＞16	490~610	325~445	≥21

SN490B 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"!