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E 25 20 H

EU EN E2520H 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: E2520H / E 25 20 H
Category Grade Standard Region/Area Standard Content
Metals E 25 20 H 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 25 20 H

Element Min Max Similar

Mechanical Properties of steel grade E 25 20 H

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)
881 (≥) 756 (≥) 14 14 12 Solution and Aging, Annealing, Ausaging, Q+T,etc 412

Physical Properties of steel grade E 25 20 H

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
33 - -     0.14 -  
224 455 - 33.3 322   -  
572 - 34 22.2   432 321

Heat Treatment of steel grade E 25 20 H

Heat treated : 1147°C - 1398°C

Technological Curves of steel grade E 25 20 H

Cross Reference Table (Equivalent Grade) of E 25 20 H

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