30CrMnSi A24302 - JB /T 6908-2020

Grade	30CrMnSi
	A24302
Corresponding Standard	JB /T 6908-2020 Steel forings for displacement compressors
Classification	Alloy Steel

30CrMnSi Chemical Element Composition Content (%)

Component	C	Si	Mn	P	S	Cr	Ni	Cu
Minimum Value	0.28	0.9	0.8	-	-	0.8	-	-
Maximum Value	0.34	1.2	1.1	0.03	0.03	1.1	0.3	0.2

30CrMnSi Mechanical Properties

thickness or diameter mm	Heat Treatment or Condition	Tensile Strength σ_b Mpa	Specified Plastic Yield Strength Rp_0.2 Mpa	Elongation or Extension Rate δ %	Reduction of Area ψ %	Hardness HBW	Impact Energy Absorption KV2 J
≤ 100	Normalizing + Tempering	635	≥390	≥16	≥40	-	KU2：≥35
＞100~200	Normalizing + Tempering	590	≥345	≥16	≥40	-	KU2：≥35
≤ 100	Tempering	835	≥590	≥16	≥35	235~293	KU2：≥35
＞100~200	Tempering	705	≥460	≥16	≥35	228~269	KU2：≥35
＞200~300	Tempering	685	≥460	≥13	≥35	228~269	KU2：≥35

30CrMnSi 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"!