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X-Au69AgPt

China GJB X-Au69AgPt 贵金属及其合金丝、线、棒材规范 and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: X-Au69AgPt / X-Au69AgPt
Category Grade Standard Region/Area Standard Content
Metals X-Au69AgPt GJB 947A China 贵金属及其合金丝、线、棒材规范

Chemical composition(mass fraction)(wt.%) of the X-Au69AgPt

Element Min Max Similar
Ag 24.5000 25.5000 -
Au 68.0000 70.0000 -
Pt 5.5000 6.5000 -
Fe - 0.0500 -
Pb - 0.0050 -
Sb - 0.0050 -
Bi - 0.0050 -
Total Others - 0.2000 -
Ag 24.5000 25.5000 -
Au 68.0000 70.0000 -
Pt 5.5000 6.5000 -
Fe - 0.0500 -
Pb - 0.0050 -
Sb - 0.0050 -
Bi - 0.0050 -
Total Others - 0.2000 -

Mechanical Properties of steel grade X-Au69AgPt

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)
781 (≥) 418 (≥) 41 23 13 Solution and Aging, Annealing, Ausaging, Q+T,etc 311

Physical Properties of steel grade X-Au69AgPt

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
43 - -     0.22 -  
929 254 - 41.3 123   -  
212 - 24 11.2   122 331

Heat Treatment of steel grade X-Au69AgPt

Heat treated : 1947°C - 1593°C

Technological Curves of steel grade X-Au69AgPt

Cross Reference Table (Equivalent Grade) of X-Au69AgPt

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