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SM-Ir99.9

China GB SM-Ir99.9 铱粉 and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: SM-Ir99.9 / SM-Ir99.9
Category Grade Standard Region/Area Standard Content
Metals SM-Ir99.9 GB/T 1422 China 铱粉

Chemical composition(mass fraction)(wt.%) of the SM-Ir99.9

Element Min Max Similar
Total Others - 0.1000 -
Zn - 0.0100 -
Si - 0.0100 -
Sn - 0.0100 -
Mg - 0.0100 -
Mn - 0.0100 -
Pb - 0.0100 -
Al - 0.0100 -
Ni - 0.0100 -
Fe - 0.0100 -
Cu - 0.0100 -
Ag - 0.0100 -
Au - 0.0200 -
Pd - 0.0200 -
Rh - 0.0300 -
Ru - 0.0400 -
Pt - 0.0300 -
Ir 99.9000 - -

Mechanical Properties of steel grade SM-Ir99.9

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 (≥) 971 (≥) 44 32 21 Solution and Aging, Annealing, Ausaging, Q+T,etc 131

Physical Properties of steel grade SM-Ir99.9

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
44 - -     0.42 -  
116 373 - 21.3 313   -  
769 - 31 12.2   312 334

Heat Treatment of steel grade SM-Ir99.9

Heat treated : 1173°C - 1977°C

Technological Curves of steel grade SM-Ir99.9

Cross Reference Table (Equivalent Grade) of SM-Ir99.9

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