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France AFNOR NF 199Nb 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: 199Nb / 19 9 Nb
Category Grade Standard Region/Area Standard Content
Metals 19 9 Nb 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 19 9 Nb

Element Min Max Similar

Mechanical Properties of steel grade 19 9 Nb

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)
823 (≥) 834 (≥) 31 14 41 Solution and Aging, Annealing, Ausaging, Q+T,etc 244

Physical Properties of steel grade 19 9 Nb

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 - -     0.24 -  
743 163 - 13.3 113   -  
797 - 42 34.2   244 133

Heat Treatment of steel grade 19 9 Nb

Heat treated : 1214°C - 1579°C

Technological Curves of steel grade 19 9 Nb

Cross Reference Table (Equivalent Grade) of 19 9 Nb

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