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B-Cu38ZnAg-680/765

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EU EN B-Cu38ZnAg-680/765 Copper and copper alloys - Compendium of compositions and products and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: B-Cu38ZnAg-680/765 / B-Cu38ZnAg-680/765
Category Grade Standard Region/Area Standard Content
Metals B-Cu38ZnAg-680/765 CEN/TS 13388 EU Copper and copper alloys - Compendium of compositions and products

Chemical composition(mass fraction)(wt.%) of the B-Cu38ZnAg-680/765

Element Min Max Similar
P - 0.0080 -
Si - 0.0500 -
Cu 37.0000 39.0000 -
Cd - 0.0300 -
Al - 0.0010 -
Zn 30.0000 34.0000 -
Ag 29.0000 31.0000 -
Bi - 0.0300 -
Pb - 0.0250 -
Others total - 0.1500 -

Mechanical Properties of steel grade B-Cu38ZnAg-680/765

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)
876 (≥) 518 (≥) 23 12 41 Solution and Aging, Annealing, Ausaging, Q+T,etc 212

Physical Properties of steel grade B-Cu38ZnAg-680/765

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
21 - -     0.32 -  
556 518 - 33.3 222   -  
576 - 41 11.2   421 121

Heat Treatment of steel grade B-Cu38ZnAg-680/765

Heat treated : 1891°C - 1819°C

Technological Curves of steel grade B-Cu38ZnAg-680/765

Cross Reference Table (Equivalent Grade) of B-Cu38ZnAg-680/765

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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