AH620 - GB 712-2011

Grade	AH620
Corresponding Standard	GB 712-2011 Ship and Ocean Engineering Structural Steel
Classification	Carbon Steel

AH620 Chemical Element Composition Content (%)

Component	C	Si	Mn	P	S	N
Minimum Value	-	-	-	-	-	-
Maximum Value	0.21	0.55	1.7	0.03	0.03	0.02

AH620 Mechanical Properties

Tensile Strength σ_b Mpa	Yield Point σ_s Mpa	Elongation or Extension Rate δ %	Impact Energy Absorption KV2 J
720~890	ReH: ≥620	≥15	0°C long.: ≥62 tr.: ≥41

• t-thickness；long.-longitudual，tr.-transverse；ReH-upper yield strength
• When the yield is not obvious, Rp0.2 can be measured instead of the upper yield strength.

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