HC340LA - Q/BQB 419-2021

Grade	HC340LA
Corresponding Standard	Q/BQB 419-2021 Cold Rolled Conventional High Strength Steel Sheet and Strip
Classification	Carbon Steel

HC340LA Chemical Element Composition Content (%)

Component	C	Si	Mn	P	S	Ti ^*	Nb ^*	Al
Minimum Value	-	-	-	-	-	-	-	0.015
Maximum Value	0.12	0.5	1.5	0.025	0.025	0.15	0.09	-

HC340LA Mechanical Properties

Tensile Strength σ_b Mpa	Yield Point σ_s Mpa	Elongation or Extension Rate δ %
410~510	340~420	≥21(A80)

ⓐ A50、A80-gauge length；t-nominal thickness/mm
• When the yield phenomenon is not obvious, Rp0.2 is used; otherwise, ReL is adopted

1 Approximate Comparison Table Cold-Formable High Yield Strength Steel

2 Approximate Comparison Table Cold-Formable High Yield Strength Steel

HC340LA 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"!