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X 2 CrNiMoCu 20 25

Germany DIN X2CrNiMoCu2025 Classification of covered electrodes for manual metal arc-welding of stainless and heat resisting steels and Mechanical Properties, Chemical Element, Cross Reference.

Category Grade Standard Region/Area Standard Content
Metals X 2 CrNiMoCu 20 25 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 2 CrNiMoCu 20 25

Element Min Max Similar

Mechanical Properties of steel grade X 2 CrNiMoCu 20 25

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)
164 (≥) 692 (≥) 13 42 34 Solution and Aging, Annealing, Ausaging, Q+T,etc 134

Physical Properties of steel grade X 2 CrNiMoCu 20 25

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
43 - -     0.34 -  
193 699 - 11.3 124   -  
262 - 42 41.2   233 321

Heat Treatment of steel grade X 2 CrNiMoCu 20 25

Heat treated : 1865°C - 1552°C

Technological Curves of steel grade X 2 CrNiMoCu 20 25

Cross Reference Table (Equivalent Grade) of X 2 CrNiMoCu 20 25

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