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X-Au99.99

China GJB X-Au99.99 贵金属及其合金丝、线、棒材规范 and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: X-Au99.99 / X-Au99.99
Category Grade Standard Region/Area Standard Content
Metals X-Au99.99 GJB 947A China 贵金属及其合金丝、线、棒材规范

Chemical composition(mass fraction)(wt.%) of the X-Au99.99

Element Min Max Similar
Au 99.9900 - -
Fe - 0.0030 -
Pb - 0.0020 -
Sb - 0.0020 -
Bi - 0.0020 -
Total Others - 0.0100 -

Mechanical Properties of steel grade X-Au99.99

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)
666 (≥) 475 (≥) 23 14 23 Solution and Aging, Annealing, Ausaging, Q+T,etc 442

Physical Properties of steel grade X-Au99.99

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
14 - -     0.24 -  
349 762 - 24.3 344   -  
862 - 31 43.2   411 434

Heat Treatment of steel grade X-Au99.99

Heat treated : 1618°C - 1237°C

Technological Curves of steel grade X-Au99.99

Cross Reference Table (Equivalent Grade) of X-Au99.99

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