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1.4938

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X12CrNiMoV12-3 X12Ni5
#X12CrNiMoV12-3 #1-4938

Description

France AFNOR NF EN 10088-1, NF EN 10269, NF EN 10302 (2002), 1.4938 Specialsteel Creep resisting steels, nickel and cobalt alloys and Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Specialsteel: 1.4938
Category Class Grade Standard Country Application
Steel GradesSpecialsteel 1.4938 AFNOR France Creep resisting steels, nickel and cobalt alloys

Chemical composition(mass fraction)(wt.%) of the 1.4938

C Si Mn P S Cr Ni Mo V N
0.08 -0.15 ≤0.50 0.40 -0.90 ≤0.025 ≤0.015 11.00 -12.50 2.00 -3.00 1.50 -2.00 0.25 -0.40 0.020 -0.040

Mechanical Properties of steel grade 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)
754 (≥) 453 (≥) 11 23 13 Solution and Aging, Annealing, Ausaging, Q+T,etc 322

Physical Properties of steel grade 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
42 - -     0.33 -  
424 816 - 24.3 112   -  
656 - 44 43.2   232 113

Heat Treatment of steel grade 1.4938

Heat treated : 1236°C - 1849°C

Technological Curves of steel grade 1.4938

Cross Reference Table (Equivalent Grade) of 1.4938

Grade Standard Country Application
X12CrNiMoV12-3/X11CrNiMoN12
X12CrNiMoV12-3/X11CrNiMoN12
X12CrNiMoV12-3
X12CrNiMoV12-3
X12CRNIMOV12-3, 1.4938
Steel of Turbine blade 422/616 /1.4938/5655/S42200/A565

Relevant standard of 1.4938

NF EN 10088-1 Stainless steels - Part 1: List of stainless steels NF-EN-10088-1.pdf
NF EN 10269 Steels and nickel alloys for fasteners with specified elevated and/or low temperature properties NF-EN-10269.pdf
NF EN 10302 (2002) Creep resisting steels, nickel and cobalt alloys NF-EN-10302-(2002).pdf
X12CrNiMoV12-3 X12Ni5
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