SAPH440SF - Q/BQB 312-2018

Grade	SAPH440SF
Corresponding Standard	Q/BQB 312-2018 Advanced High Strength Hot Rolling Steel Plate and Strip for Cold Forming
Brand/Supplier	-> BAOSTEEL
Classification	Alloy Steel

SAPH440SF Chemical Element Composition Content (%)

Component	C	Si	Mn	P	S	Cu	B	Al
Minimum Value	-	-	-	-	-	-	-	0.015
Maximum Value	0.1	1	1.5	0.02	0.01	0.4	0.006	-

SAPH440SF Mechanical Properties

thickness t mm	Tensile Strength σ_b Mpa	Yield Point σ_s Mpa	Elongation or Extension Rate δ %
1.6≤t＜2	≥440	≥305	≥29
2≤t＜2.5	≥440	≥305	≥30
2.5≤t＜3.15	≥440	≥305	≥32
3.15≤t＜4	≥440	≥305	≥33
4≤t＜6	≥440	≥305	≥34

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