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EU EN W2520 焊接消耗品 - 电弧焊接不锈钢和耐热钢焊丝电极,焊丝和焊条 and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: W2520 / W 25 20
Category Grade Standard Region/Area Standard Content
Metals W 25 20 EN 12072 EU 焊接消耗品 - 电弧焊接不锈钢和耐热钢焊丝电极,焊丝和焊条

Chemical composition(mass fraction)(wt.%) of the W 25 20

Element Min Max Similar
Si - 2.0000 -
S - 0.0200 -
P - 0.0300 -
Ni 18.0000 22.0000 -
Mo - 0.5000 -
Mn 1.0000 2.5000 -
Cu - 0.5000 -
Cr 24.0000 27.0000 -
C 0.0800 0.1500 -
Si - 2.0000 -
S - 0.0200 -
P - 0.0300 -
Ni 18.0000 22.0000 -
Mn 1.0000 2.5000 -
Cr 24.0000 27.0000 -
C 0.0800 0.1500 -

Mechanical Properties of steel grade W 25 20

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)
165 (≥) 427 (≥) 43 12 42 Solution and Aging, Annealing, Ausaging, Q+T,etc 443

Physical Properties of steel grade W 25 20

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
13 - -     0.44 -  
598 126 - 22.3 232   -  
791 - 43 11.2   422 341

Heat Treatment of steel grade W 25 20

Heat treated : 1235°C - 1975°C

Technological Curves of steel grade W 25 20

Cross Reference Table (Equivalent Grade) of W 25 20

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