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1.2738

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40CrMnNiMo8-6-4 1.2743
#1.2738

Description

Germany DIN 1.2738 Cold working alloy tool steel and 1.2738 Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Tool Steel And Hard Alloy: 1.2738
Category Type Steel Grade Standard Country Application
Steel GradesTool Steel And Hard Alloy 1.2738 DIN Germany Cold working alloy tool steel
54NiCrMoV6
1.2713
55NiCrMoV6
55NiCr10
1.2718
1.2721
50NiCr13
1.2735
15NiCr14
40CrMnNiMo8-6-4

Chemical composition(mass fraction)(wt.%) of the 1.2738

C(％) Si(％) Mn(％) P(％) S(％) Cr(％) Ni(％) Mo(％)
0.35-0.45 0.20-0.40 1.30-1.60 Max 0.035 Max 0.035 1.80-2.10 0.90-1.20 0.15-0.25

Mechanical Properties of steel grade 1.2738

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)
352 (≥) 262 (≥) 12 23 41 Solution and Aging, Annealing, Ausaging, Q+T,etc 434

Physical Properties of steel grade 1.2738

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
42 - -     0.43 -  
418 831 - 12.3 424   -  
331 - 21 32.2   423 311

Heat Treatment of steel grade 1.2738

Heat treated : 1581°C - 1769°C

Technological Curves of steel grade 1.2738

Cross Reference Table (Equivalent Grade) of 1.2738

Grade Standard Country Application
1.2738 DIN Germany Cold working alloy tool steel
40CrMnNiMo8-6-4 1.2743
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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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