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25 9 4 N L

France AFNOR NF 2594NL 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: 2594NL / 25 9 4 N L
Category Grade Standard Region/Area Standard Content
Metals 25 9 4 N L NF EN 1600 France 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 25 9 4 N L

Element Min Max Similar
W - 1.0000 -
Si - 1.2000 -
S - 0.0250 -
P+S - 0.0500 -
P - 0.0300 -
Ni 8.5000 10.5000 -
N 0.2000 0.3000 -
Mo 2.5000 4.0000 -
Mn - 2.5000 -
Fe - - -
Cu 2.5000 4.5000 -
Cr 24.0000 27.0000 -
C - 0.0400 -

Mechanical Properties of steel grade 25 9 4 N 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)
271 (≥) 217 (≥) 13 32 43 Solution and Aging, Annealing, Ausaging, Q+T,etc 332

Physical Properties of steel grade 25 9 4 N 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
34 - -     0.32 -  
752 275 - 34.3 144   -  
764 - 24 32.2   121 314

Heat Treatment of steel grade 25 9 4 N L

Heat treated : 1972°C - 1191°C

Technological Curves of steel grade 25 9 4 N L

Cross Reference Table (Equivalent Grade) of 25 9 4 N L

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