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Au74.5CuNiZn

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China GJB Au74.5CuNiZn sheets and bands of precious metals and their al loys and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: Au74.5CuNiZn / Au74.5CuNiZn
Category Grade Standard Region/Area Standard Content
Metals Au74.5CuNiZn GJB 953A China sheets and bands of precious metals and their al loys

Chemical composition(mass fraction)(wt.%) of the Au74.5CuNiZn

Element Min Max Similar
Au 73.5000 75.5000 -
Cu 21.5000 22.5000 -
Ni 2.0000 3.0000 -
Zn 0.7000 1.3000 -
Fe - 0.0500 -
Pb - 0.0050 -
Sb - 0.0050 -
Bi - 0.0050 -
Total Others - 0.2000 -

Mechanical Properties of steel grade Au74.5CuNiZn

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)
155 (≥) 736 (≥) 44 21 14 Solution and Aging, Annealing, Ausaging, Q+T,etc 212

Physical Properties of steel grade Au74.5CuNiZn

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
13 - -     0.32 -  
389 437 - 32.3 214   -  
268 - 12 23.2   133 431

Heat Treatment of steel grade Au74.5CuNiZn

Heat treated : 1627°C - 1871°C

Technological Curves of steel grade Au74.5CuNiZn

Cross Reference Table (Equivalent Grade) of Au74.5CuNiZn

Grade Standard Country Application
ASTM 5140
AISI 201
AISI 202
1.2767
17-4PH
AISI 1052
AISI 416Se
AISI 1330
AISI 205 Stainless Steel
AISI A10
AISI A2
AISI A3
AISI A4
1.0036
1.0037
SAE J403
UNS G10100
AMS 4924
ASTM A36
Electrode 100S-1
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Jiangyou Longhai Special Steel Co.,Ltd.
Jiangyou Longhai Special Steel Co.,Ltd.

Our main peoducts of steel are many kinds of special steel, like tool steel, mould steel, alloy steel, alloy constructural steel, heat-resistant steel, high speed tool steel,spring steel and bearing steel , stainless steel and so on, which have formed 12 series and more than 350 varieties with n...

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