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International ISO NW6690 无缝镍及镍合金管 and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: NW6690 / NW6690
Category Grade Standard Region/Area Standard Content
Metals NW6690 ISO 6207 International 无缝镍及镍合金管

Chemical composition(mass fraction)(wt.%) of the NW6690

Element Min Max Similar

Mechanical Properties of steel grade NW6690

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)
974 (≥) 846 (≥) 41 13 32 Solution and Aging, Annealing, Ausaging, Q+T,etc 312

Physical Properties of steel grade NW6690

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
32 - -     0.14 -  
472 293 - 41.3 122   -  
226 - 31 44.2   312 213

Heat Treatment of steel grade NW6690

Heat treated : 1998°C - 1538°C

Technological Curves of steel grade NW6690

Cross Reference Table (Equivalent Grade) of NW6690

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