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E 20 25 5 Cu N L

EU EN E20255CuNL 焊材 - 覆盖电极的用于不锈钢和耐热钢的手工电弧焊 and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: E20255CuNL / E 20 25 5 Cu N L
Category Grade Standard Region/Area Standard Content
Metals E 20 25 5 Cu N L EN 1600 EU 焊材 - 覆盖电极的用于不锈钢和耐热钢的手工电弧焊

Chemical composition(mass fraction)(wt.%) of the E 20 25 5 Cu N L

Element Min Max Similar
Si - 1.2000 -
S - 0.0250 -
P - 0.0350 -
Ni 7.0000 10.0000 -
Mn 4.5000 7.5000 -
Cr 17.0000 20.0000 -
C - 0.2000 -

Mechanical Properties of steel grade E 20 25 5 Cu N L

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)
258 (≥) 188 (≥) 22 21 44 Solution and Aging, Annealing, Ausaging, Q+T,etc 343

Physical Properties of steel grade E 20 25 5 Cu N L

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
32 - -     0.21 -  
325 782 - 32.3 434   -  
234 - 23 22.2   341 332

Heat Treatment of steel grade E 20 25 5 Cu N L

Heat treated : 1753°C - 1599°C

Technological Curves of steel grade E 20 25 5 Cu N L

Cross Reference Table (Equivalent Grade) of E 20 25 5 Cu N L

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