27SiMn A10272 - GB /T 3077-2015

Grade	27SiMn
China ISC	A10272
Corresponding Standard	GB /T 3077-2015 Alloy structure steels
Classification	Alloy Steel
Properties	Strength Hardness Forgability Machinability Weldability Quench Hardness

27SiMn Chemical Element Composition Content (%)

	Component	C	Si	Mn	P	S	Cr	Ni	Cu	Mo
标准	Minimum Value	0.24	1.1	1.1	-	-	-	-	-	-
标准	Maximum Value	0.32	1.4	1.4	0.03	0.03	0.3	0.3	0.3	0.1

	Component	C	Si	Mn	P	S	Cr	Ni	Cu	Mo	Ti
本钢特钢	Minimum Value	0.24	1.1	1.1	-	-	-	-	-	-	-
本钢特钢	Maximum Value	0.32	1.4	1.4	0.025	0.02	0.3	0.3	0.2	0.15	0.2

27SiMn Mechanical Properties

diameter d mm	Heat Treatment or Condition	Tensile Strength σ_b Mpa	Yield Point σ_s Mpa	Elongation or Extension Rate δ %	Reduction of Area ψ %	Hardness HBW	Impact Energy Absorption KV2 J
d=25	Quenching + Tempering	≥980	≥835	≥12	≥40	≤217	≥39

27SiMn 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"!