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X12CrNiMoV12-3, 1.4938

Description

European EN EN 2278, EN 10302, EN 10088-1, EN 10269, X12CrNiMoV12-3, 1.4938 Specialsteel HIGH-ALLOY X12CRNIMOV12-3, 1.4938 CREEP-RESISTANT, OXIDATION FOR AVIATION AND COSMONAUTICS ACCORDING TO EN 2278, EN 10302, EN 10088-1 AND EN 10269. and Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Specialsteel: X12CrNiMoV12-3, 1.4938
Category Class Grade Type Standard Country Application
Steel GradesSpecialsteel X12CrNiMoV12-3, 1.4938 Austenite EN European HIGH-ALLOY X12CRNIMOV12-3, 1.4938 CREEP-RESISTANT, OXIDATION FOR AVIATION AND COSMONAUTICS ACCORDING TO EN 2278, EN 10302, EN 10088-1 AND EN 10269.

Chemical composition(mass fraction)(wt.%) of the X12CrNiMoV12-3, 1.4938

C Mn Si P S Cr Mo Ni V N
0.08 -0.15 0.40 -0.90 ≤0.50 ≤0.025 ≤0.015 11.00 -12.50 1.50 -2.00 2.00 -3.00 0.25 -0.40 0.02 -0.04

Mechanical Properties of steel grade X12CrNiMoV12-3, 1.4938

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)
636 (≥) 325 (≥) 44 23 42 Solution and Aging, Annealing, Ausaging, Q+T,etc 444

Physical Properties of steel grade X12CrNiMoV12-3, 1.4938

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
41 - -     0.12 -  
863 453 - 34.3 431   -  
277 - 24 41.2   144 114

Heat Treatment of steel grade X12CrNiMoV12-3, 1.4938

Heat treated : 1592°C - 1454°C

Technological Curves of steel grade X12CrNiMoV12-3, 1.4938

Cross Reference Table (Equivalent Grade) of X12CrNiMoV12-3, 1.4938

Relevant standard of X12CrNiMoV12-3, 1.4938


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