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1.4939

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X20CrMoWV12-1 X12CrNiMoV12-3/X11CrNiMoN12
#1.4939

Description

Germany DIN 1.4939 The high-temperature and high-strength steel and 1.4939 Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Special Steel: 1.4939
Category Type Steel Grade Standard Country Application
Steel GradesSpecial Steel 1.4939 DIN Germany The high-temperature and high-strength steel
65Si7
1.5028
1.5028
37MnSi5
37MnSi5
X22CrMoV12-1
1.4923
1.4934
1.4935
X20CrMoWV12-1

Chemical composition(mass fraction)(wt.%) of the 1.4939

C(％) Si(％) Mn(％) P(％) S(％) Cr(％) Ni(％) Mo(％) V(%) N(%)
0.08-0.15 Max 0.50 0.40-0.90 Max 0.025 Max 0.015 11.0-12.5 2.00-3.00 1.50-2.00 0.25-0.40 0.25-0.40

Mechanical Properties of steel grade 1.4939

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)
124 (≥) 845 (≥) 22 21 32 Solution and Aging, Annealing, Ausaging, Q+T,etc 233

Physical Properties of steel grade 1.4939

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
22 - -     0.43 -  
915 278 - 34.3 113   -  
599 - 34 21.2   424 311

Heat Treatment of steel grade 1.4939

Heat treated : 1844°C - 1691°C

Technological Curves of steel grade 1.4939

Cross Reference Table (Equivalent Grade) of 1.4939

Grade Standard Country Application
1.4939 DIN Germany The high-temperature and high-strength steel
X20CrMoWV12-1 X12CrNiMoV12-3/X11CrNiMoN12
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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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