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China GJB X-Pt80Ir 贵金属及其合金丝、线、棒材规范 and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: X-Pt80Ir / X-Pt80Ir
Category Grade Standard Region/Area Standard Content
Metals X-Pt80Ir GJB 947A China 贵金属及其合金丝、线、棒材规范

Chemical composition(mass fraction)(wt.%) of the X-Pt80Ir

Element Min Max Similar
Pt 79.5000 80.5000 -
Ir 19.5000 20.5000 -
Au - 0.0400 -
Fe - 0.0500 -
Total Others - 0.2000 -

Mechanical Properties of steel grade X-Pt80Ir

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)
427 (≥) 124 (≥) 13 42 42 Solution and Aging, Annealing, Ausaging, Q+T,etc 443

Physical Properties of steel grade X-Pt80Ir

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
33 - -     0.34 -  
384 913 - 13.3 133   -  
893 - 23 32.2   223 324

Heat Treatment of steel grade X-Pt80Ir

Heat treated : 1287°C - 1227°C

Technological Curves of steel grade X-Pt80Ir

Cross Reference Table (Equivalent Grade) of X-Pt80Ir

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