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France AFNOR NF EW51-5 Arc welding. Covered electrodes for wed manual welding depositing a mild alloy stee. Specification and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: EW51-5 / EW 51-5
Category Grade Standard Region/Area Standard Content
Metals EW 51-5 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 51-5

Element Min Max Similar

Mechanical Properties of steel grade EW 51-5

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)
836 (≥) 447 (≥) 11 22 12 Solution and Aging, Annealing, Ausaging, Q+T,etc 424

Physical Properties of steel grade EW 51-5

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
23 - -     0.21 -  
938 451 - 12.3 334   -  
828 - 43 41.2   214 233

Heat Treatment of steel grade EW 51-5

Heat treated : 1721°C - 1217°C

Technological Curves of steel grade EW 51-5

Cross Reference Table (Equivalent Grade) of EW 51-5

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