1.2731

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#1.2731

Description

1.2731 Tool Steel and Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Tool Steel: 1.2731

Category	Type	Steel Grade
Steel Grades	Tool Steel	1.2731
		X60WCrMoV9-4
		1.2662
		X30WCrCoV9-3
		1.2678
		X45CoCrWv5-5-5
		55NiCrMoV7
		1.2714
		56NiCrMoV7
		1.2726
		26NiCrMoV5

Chemical composition(mass fraction)(wt.%) of the 1.2731

C	Si ≤	Mn ≤	P ≤	S ≤	Cr	Ni	Mo	Other
0.45-0.55	1.20-1.50	0.60-0.80	0.035	0.035	12.0-14.0	12.5-13.5		V 0.30-1.00 W 1.50-2.80

Mechanical Properties of steel grade 1.2731

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)
385 (≥)	257 (≥)	14	33	11	Solution and Aging, Annealing, Ausaging, Q+T,etc	112

Physical Properties of steel grade 1.2731

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
34	-	-			0.43	-
758	159	-	44.3	212		-
183	-	33	23.2			333	244

Heat Treatment of steel grade 1.2731

Heat treated : 1938°C - 1788°C

Technological Curves of steel grade 1.2731

No Curve

Cross Reference Table (Equivalent Grade) of 1.2731

Grade	Standard	Country	Application
1.2731	DIN	Germany	Hot working alloy tool steel

Available Suppliers

Jiangyou Longhai Special Steel Co.,Ltd.

Our main peoducts of steel are many kinds of special steel, like tool steel, mould steel, alloy steel, alloy constructural steel, heat-resistant steel, high speed tool steel,spring steel and bearing steel , stainless steel and so on, which have formed 12 series and more than 350 varieties with n...

Rfq.: sales@longhaisteel.com

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