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X-Pt82.5Ir

China GJB X-Pt82.5Ir 贵金属及其合金电刷丝材和线材规范 and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: X-Pt82.5Ir / X-Pt82.5Ir
Category Grade Standard Region/Area Standard Content
Metals X-Pt82.5Ir GJB 954A China 贵金属及其合金电刷丝材和线材规范

Chemical composition(mass fraction)(wt.%) of the X-Pt82.5Ir

Element Min Max Similar
Pt 82.0000 83.0000 -
Ir 17.0000 18.0000 -
Au - 0.0400 -
Fe - 0.0500 -
Total Others - 0.2000 -

Mechanical Properties of steel grade X-Pt82.5Ir

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)
793 (≥) 178 (≥) 11 12 43 Solution and Aging, Annealing, Ausaging, Q+T,etc 212

Physical Properties of steel grade X-Pt82.5Ir

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
13 - -     0.43 -  
585 699 - 31.3 214   -  
437 - 13 11.2   133 132

Heat Treatment of steel grade X-Pt82.5Ir

Heat treated : 1733°C - 1389°C

Technological Curves of steel grade X-Pt82.5Ir

Cross Reference Table (Equivalent Grade) of X-Pt82.5Ir

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