32Cr3Mo A30321 - GB /T 37618-2019

32Cr3Mo Chemical Element Composition Content (%)

Component	C	Si	Mn	P	S	Cr	Ni	Cu	Mo
Minimum Value	0.28	0.17	0.4	-	-	2.8	-	-	0.3
Maximum Value	0.35	0.37	0.7	0.03	0.03	3.3	0.3	0.3	0.5

32Cr3Mo Mechanical Properties

test size d mm	Heat Treatment or Condition	Tensile Strength σ_b Mpa	Yield Point σ_s Mpa	Elongation or Extension Rate δ %	Hardness HBW	Impact Energy Absorption KV2 J
d=25	Quenching temperature 870~930°C, oil/water cooling; tempering temperature 580~700°C, water/oil cooling	≥1030	≥835	≥10	Normalizing + Tempering, Annealing or High Temperature Tempering Condition Delivered Steel Rod ≤248	≥25

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