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1.2747

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28NiMo17 35NiCrMo16
#1.2747

Description

Germany DIN 1.2747 Hot working alloy tool steel and 1.2747 Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Tool Steel And Hard Alloy: 1.2747
Category Type Steel Grade Standard Country Application
Steel GradesTool Steel And Hard Alloy 1.2747 DIN Germany Hot working alloy tool steel
1.2726
X50NiCrWV13-13
1.2731
28NiCrV5
1.2737
28NiCrMoV10
1.2740
57NiCrMoV7-7
1.2744
28NiMo17

Chemical composition(mass fraction)(wt.%) of the 1.2747

C(％) Si(％) Mn(％) P(％) S(％) Cr(％) Ni(％) Mo(％) V(%)
0.24-0.31 0.15-0.35 0.20-0.40 Max 0.030 Max 0.030 0.30-0.50 4.20-4.70 1.15-1.25 0.15-0.20

Mechanical Properties of steel grade 1.2747

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)
363 (≥) 837 (≥) 31 11 12 Solution and Aging, Annealing, Ausaging, Q+T,etc 432

Physical Properties of steel grade 1.2747

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
11 - -     0.44 -  
246 223 - 14.3 432   -  
758 - 42 23.2   343 243

Heat Treatment of steel grade 1.2747

Heat treated : 1559°C - 1822°C

Technological Curves of steel grade 1.2747

Cross Reference Table (Equivalent Grade) of 1.2747

Grade Standard Country Application
1.2747 DIN Germany Hot working alloy tool steel
28NiMo17 35NiCrMo16
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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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