HC300B - Q/BQB 419-2021

Grade	HC300B
Corresponding Standard	Q/BQB 419-2021 Cold rolled conventional high strength steel sheet and strip
Classification	Carbon Steel

HC300B Chemical Element Composition Content (%)

Component	C	Si	Mn	P	S	Al
Minimum Value	-	-	-	-	-	0.015
Maximum Value	0.1	0.5	1	0.12	0.03	-

HC300B Mechanical Properties

Tensile Strength σ_b Mpa	Yield Point σ_s Mpa	Elongation or Extension Rate δ %
390~480	300~360	≥26(A80)

ⓐ A50、A80-gauge length；t-nominal thickness/mm

Approximate Comparison Table

HC300B 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"!