SAPH310 - Q/BQB 310-2023

Grade	SAPH310
Corresponding Standard	Q/BQB 310-2023 Continuously Hot-Rolled Steel Sheet and Strip for Automobile Structural Use
Classification	Carbon Steel

SAPH310 Chemical Element Composition Content (%)

Component	C	Si	Mn	P	S	Cr ^*	Ni ^*	Cu ^*	Al
Minimum Value	-	-	-	-	-	-	-	-	0.01
Maximum Value	0.1	0.3	0.8	0.025	0.02	0.15	0.15	0.2	-

SAPH310 Mechanical Properties

thickness t mm	Tensile Strength σ_b Mpa	Yield Point σ_s Mpa	Elongation or Extension Rate δ %
1.5≤t＜2	≥310	ReH: ≥185	≥33
2≤t＜2.5	≥310	ReH: ≥185	≥34
2.5≤t＜3.15	≥310	ReH: ≥185	≥36
3.15≤t＜4	≥310	ReH: ≥185	≥38
4≤t＜6.3	≥310	ReH: ≥185	≥40
6.3≤t＜8	≥310	ReH: ≥185	≥41
t≥8	≥310	ReH: ≥175	≥41

SAPH310 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"!