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China GJB X-Pt90Rh Specification for tube of precions metals and their alloys and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: X-Pt90Rh / X-Pt90Rh
Category Grade Standard Region/Area Standard Content
Metals X-Pt90Rh GJB 946A China Specification for tube of precions metals and their alloys

Chemical composition(mass fraction)(wt.%) of the X-Pt90Rh

Element Min Max Similar
Ag 99.9500 - -
Fe - 0.0400 -
Pb - 0.0040 -
Sb - 0.0040 -
Bi - 0.0040 -
Total Others - 0.0500 -

Mechanical Properties of steel grade X-Pt90Rh

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)
233 (≥) 885 (≥) 43 14 11 Solution and Aging, Annealing, Ausaging, Q+T,etc 311

Physical Properties of steel grade X-Pt90Rh

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
12 - -     0.32 -  
874 559 - 42.3 144   -  
566 - 41 23.2   434 113

Heat Treatment of steel grade X-Pt90Rh

Heat treated : 1769°C - 1528°C

Technological Curves of steel grade X-Pt90Rh

Cross Reference Table (Equivalent Grade) of X-Pt90Rh

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