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X-Ag77CuNiAl

China GJB X-Ag77CuNiAl Specification for tube of precions metals and their alloys and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: X-Ag77CuNiAl / X-Ag77CuNiAl
Category Grade Standard Region/Area Standard Content
Metals X-Ag77CuNiAl GJB 946A China Specification for tube of precions metals and their alloys

Chemical composition(mass fraction)(wt.%) of the X-Ag77CuNiAl

Element Min Max Similar
Ag 76.0000 78.0000 -
Cu 19.5000 20.5000 -
Ni 1.3000 2.3000 -
Al 0.5000 1.5000 -
Fe - 0.0500 -
Pb - 0.0050 -
Sb - 0.0050 -
Bi - 0.0050 -
Total Others - 0.2000 -

Mechanical Properties of steel grade X-Ag77CuNiAl

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)
279 (≥) 945 (≥) 41 13 31 Solution and Aging, Annealing, Ausaging, Q+T,etc 311

Physical Properties of steel grade X-Ag77CuNiAl

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
44 - -     0.12 -  
738 597 - 33.3 142   -  
577 - 43 34.2   312 333

Heat Treatment of steel grade X-Ag77CuNiAl

Heat treated : 1589°C - 1722°C

Technological Curves of steel grade X-Ag77CuNiAl

Cross Reference Table (Equivalent Grade) of X-Ag77CuNiAl

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