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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)
822 (≥) 832 (≥) 12 22 22 Solution and Aging, Annealing, Ausaging, Q+T,etc 124

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
23 - -     0.21 -  
121 458 - 31.3 331   -  
124 - 44 13.2   132 333

Heat Treatment of steel grade 19 9 Nb

Heat treated : 1222°C - 1827°C

Technological Curves of steel grade 19 9 Nb

Cross Reference Table (Equivalent Grade) of 19 9 Nb

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