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France AFNOR NF EW51-1 Arc welding. Covered electrodes for wed manual welding depositing a mild alloy stee. Specification and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: EW51-1 / EW 51-1
Category Grade Standard Region/Area Standard Content
Metals EW 51-1 NF A81-950 France Arc welding. Covered electrodes for wed manual welding depositing a mild alloy stee. Specification

Chemical composition(mass fraction)(wt.%) of the EW 51-1

Element Min Max Similar

Mechanical Properties of steel grade EW 51-1

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)
327 (≥) 449 (≥) 22 13 41 Solution and Aging, Annealing, Ausaging, Q+T,etc 143

Physical Properties of steel grade EW 51-1

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
41 - -     0.32 -  
929 913 - 22.3 213   -  
558 - 43 11.2   211 212

Heat Treatment of steel grade EW 51-1

Heat treated : 1117°C - 1357°C

Technological Curves of steel grade EW 51-1

Cross Reference Table (Equivalent Grade) of EW 51-1

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