49CrMo4 1.7238 - DIN 17212-1972

Grade	49CrMo4
Germany W-Nr.	1.7238
Corresponding Standard	DIN 17212-1972 Flame and Induction Hardening Steels; Qualify Specifications
Classification	Alloy Steel

49CrMo4 Chemical Element Composition Content (%)

Component	C	Si	Mn	P	S	Cr	Mo
Minimum Value	0.46	0.15	0.5	-	-	0.9	0.15
Maximum Value	0.52	0.4	0.8	0.025	0.035	1.2	0.3

49CrMo4 Mechanical Properties

condition	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
40<d≤100	Quenching and Tempering (V)	880~1080	≥690	≥12	≥50		≥35
100<d≤160	Quenching and Tempering (V)	830~980	≥640	≥13	≥50		≥35
160<d≤250	Quenching and Tempering (V)	780~930	≥580	≥13	≥50		≥35
	Softening Annealing					HB30 ≤235

49CrMo4 Corresponding Standards(Same grade name, different standards)

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