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France AFNOR NF Z17.4.1 Welding consumables. Covered electrodes for manual metal arc welding of stainless and heat resisting steels. Classification and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: Z17.4.1 / Z 17.4.1
Category Grade Standard Region/Area Standard Content
Metals Z 17.4.1 NF A81-343 France Welding consumables. Covered electrodes for manual metal arc welding of stainless and heat resisting steels. Classification

Chemical composition(mass fraction)(wt.%) of the Z 17.4.1

Element Min Max Similar
Si - 0.9000 -
S - 0.0300 -
P - 0.0300 -
Ni 4.0000 6.0000 -
Mo 0.7000 1.3000 -
Mn - 1.5000 -
Cr 15.0000 17.0000 -
C - 0.0600 -

Mechanical Properties of steel grade Z 17.4.1

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)
485 (≥) 922 (≥) 24 34 21 Solution and Aging, Annealing, Ausaging, Q+T,etc 314

Physical Properties of steel grade Z 17.4.1

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
34 - -     0.33 -  
469 424 - 34.3 121   -  
735 - 24 13.2   322 434

Heat Treatment of steel grade Z 17.4.1

Heat treated : 1419°C - 1164°C

Technological Curves of steel grade Z 17.4.1

Cross Reference Table (Equivalent Grade) of Z 17.4.1

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