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X 12 CrNi 25 4

Germany DIN X12CrNi254 Classification of covered electrodes for manual metal arc-welding of stainless and heat resisting steels and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: X12CrNi254 / X 12 CrNi 25 4
Category Grade Standard Region/Area Standard Content
Metals X 12 CrNi 25 4 DIN 8556-1 Germany Classification of covered electrodes for manual metal arc-welding of stainless and heat resisting steels

Chemical composition(mass fraction)(wt.%) of the X 12 CrNi 25 4

Element Min Max Similar
Si - 2.0000 -
S - 0.0250 -
P+S - 0.0500 -
P - 0.0300 -
Ni 4.0000 6.0000 -
Mn - 2.0000 -
Cr 24.5000 27.5000 -
C - 0.1500 -

Mechanical Properties of steel grade X 12 CrNi 25 4

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)
534 (≥) 685 (≥) 42 23 12 Solution and Aging, Annealing, Ausaging, Q+T,etc 241

Physical Properties of steel grade X 12 CrNi 25 4

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
23 - -     0.41 -  
825 857 - 21.3 121   -  
411 - 24 12.2   324 413

Heat Treatment of steel grade X 12 CrNi 25 4

Heat treated : 1627°C - 1879°C

Technological Curves of steel grade X 12 CrNi 25 4

Cross Reference Table (Equivalent Grade) of X 12 CrNi 25 4

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