57NiCrMoV7-7

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#57NiCrMoV7-7

Description

57NiCrMoV7-7 Tool Steel and Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Tool Steel: 57NiCrMoV7-7

Category	Type	Steel Grade
Steel Grades	Tool Steel	57NiCrMoV7-7
		56NiCrMoV7
		1.2726
		26NiCrMoV5
		1.2731
		X50NiCrWV13-13
		1.2737
		28NiCrV5
		1.2740
		28NiCrMoV10
		1.2744

Chemical composition(mass fraction)(wt.%) of the 57NiCrMoV7-7

C	Si ≤	Mn ≤	P ≤	S ≤	Cr	Ni	Mo	Other
0.50-0.60	0.15-0.35	0.60-0.80	0.035	0.035	0.90-1.20	1.50-1.80	0.70-0.90	V 0.07-0.12

Mechanical Properties of steel grade 57NiCrMoV7-7

Yield R_p0.2 (MPa)	Tensile R_m (MPa)	Impact KV/Ku (J)	Elongation A (%)	Reduction in cross section on fracture Z (%)	As-Heat-Treated Condition	Brinell hardness (HBW)
332 (≥)	531 (≥)	12	23	12	Solution and Aging, Annealing, Ausaging, Q+T,etc	434

Physical Properties of steel grade 57NiCrMoV7-7

Temperature (°C)	Modulus of elasticity (GPa)	Mean coefficient of thermal expansion 10-6/(°C) between 20(°C) and	Thermal conductivity (W/m·°C)	Specific thermal capacity (J/kg·°C)	Specific electrical resistivity (Ω mm²/m)	Density (kg/dm³)	Poisson’s coefficient, ν
43	-	-			0.24	-
145	395	-	12.3	423		-
422	-	42	21.2			324	221

Heat Treatment of steel grade 57NiCrMoV7-7

Heat treated : 1133°C - 1496°C

Technological Curves of steel grade 57NiCrMoV7-7

No Curve

Cross Reference Table (Equivalent Grade) of 57NiCrMoV7-7

Grade	Standard	Country	Application
57NiCrMoV7-7	DIN	Germany	Hot working alloy tool steel

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Jiangyou Longhai Special Steel Co.,Ltd.

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