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America UNS K91971 镍钴钢焊条 and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: K91971 / K91971
Category Grade Standard Region/Area Standard Content
Metals K91971 -- America 镍钴钢焊条

Chemical composition(mass fraction)(wt.%) of the K91971

Element Min Max Similar

Mechanical Properties of steel grade K91971

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)
242 (≥) 427 (≥) 31 32 22 Solution and Aging, Annealing, Ausaging, Q+T,etc 441

Physical Properties of steel grade K91971

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
42 - -     0.24 -  
825 975 - 32.3 112   -  
177 - 33 11.2   221 111

Heat Treatment of steel grade K91971

Heat treated : 1825°C - 1985°C

Technological Curves of steel grade K91971

Cross Reference Table (Equivalent Grade) of K91971

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