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France AFNOR NF Z19.9L 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: Z19.9L / Z 19.9 L
Category Grade Standard Region/Area Standard Content
Metals Z 19.9 L 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 19.9 L

Element Min Max Similar
Si - 0.9000 -
S - 0.0300 -
P - 0.0300 -
Ni 9.0000 11.0000 -
Mn - 2.5000 -
Cr 18.0000 21.0000 -
C - 0.0300 -

Mechanical Properties of steel grade Z 19.9 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)
491 (≥) 979 (≥) 41 43 41 Solution and Aging, Annealing, Ausaging, Q+T,etc 242

Physical Properties of steel grade Z 19.9 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
23 - -     0.33 -  
376 793 - 22.3 141   -  
111 - 22 31.2   242 433

Heat Treatment of steel grade Z 19.9 L

Heat treated : 1479°C - 1812°C

Technological Curves of steel grade Z 19.9 L

Cross Reference Table (Equivalent Grade) of Z 19.9 L

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