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1.2731

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X50NiCrWV13-13 28NiCrV5
#1.2731

Description

Germany DIN 1.2731 Hot working alloy tool steel and 1.2731 Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Tool Steel And Hard Alloy: 1.2731
Category Type Steel Grade Standard Country Application
Steel GradesTool Steel And Hard Alloy 1.2731 DIN Germany Hot working alloy tool steel
1.2622
X30WCrCoV9-3
1.2662
X45CoCrWV5-5-5
1.2678
56NiCrMoV7
1.2714
26NiCrMoV5
1.2726
X50NiCrWV13-13

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

C(％) Si(％) Mn(％) P(％) S(％) Cr(％) Ni(％) V(%) W(%)
0.45-0.55 1.20-1.50 0.60-0.80 Max 0.035 Max 0.035 12.0-14.0 12.5-13.5 0.30-1.00 1.50-2.80

Mechanical Properties of steel grade 1.2731

Yield
Rp0.2 (MPa)		 Tensile
Rm (MPa)		 Impact
KV/Ku (J)		 Elongation
A (%)		 Reduction in cross section on fracture
Z (%)		 As-Heat-Treated Condition Brinell hardness (HBW)
397 (≥) 487 (≥) 23 32 34 Solution and Aging, Annealing, Ausaging, Q+T,etc 133

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
14 - -     0.12 -  
943 379 - 44.3 344   -  
783 - 23 23.2   131 223

Heat Treatment of steel grade 1.2731

Heat treated : 1692°C - 1774°C

Technological Curves of steel grade 1.2731

Cross Reference Table (Equivalent Grade) of 1.2731

Grade Standard Country Application
1.2731 DIN Germany Hot working alloy tool steel
X50NiCrWV13-13 28NiCrV5
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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...

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