ZG20SiMn - JB /ZQ 4297-1986

ZG20SiMn Chemical Element Composition Content (%)

Component	C	Si	Mn	P	S	Cr	Ni	Cu	Mo	V
Minimum Value	-	-	1	-	-	-	-	-	-	-
Maximum Value	0.23	0.6	1.5	0.025	0.025	0.3	0.4	0.25	0.15	0.05

ZG20SiMn Mechanical Properties

sectional dimension	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
≤100	Normalizing + Tempering	≥510	≥295	≥14	≥30	≥156	KU ≥39
≤100	Tempering	500~650	≥300	≥24	-	150~190	ISO-V ≥45

ZG20SiMn Corresponding Standards(Same grade name, different standards)

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