Ag72Cu

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China GJB Ag72Cu 贵金属及其合金复合钎料规范 and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: Ag72Cu / Ag72Cu

Category	Grade	Standard	Region/Area	Standard Content
Metals	Ag72Cu	GJB 6469	China	贵金属及其合金复合钎料规范

Chemical composition(mass fraction)(wt.%) of the Ag72Cu

Element	Min	Max	Similar
Ag	71.0000	73.0000	-
Cu	27.0000	29.0000	-
Pb	-	0.0050	-
Zn	-	0.0020	-
Cd	-	0.0020	-
Total Others	-	0.1500	-

Mechanical Properties of steel grade Ag72Cu

Yield R_p0.2 (MPa)	Tensile R_m (MPa)	Impact KV/Ku (J)	Elongation A (%)	Reduction in cross section on fracture Z (%)	As-Heat-Treated Condition	Brinell hardness (HBW)
315 (≥)	452 (≥)	34	11	34	Solution and Aging, Annealing, Ausaging, Q+T,etc	421

Physical Properties of steel grade Ag72Cu

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
23	-	-			0.13	-
849	283	-	24.3	134		-
118	-	43	11.2			432	223

Heat Treatment of steel grade Ag72Cu

Heat treated : 1979°C - 1226°C

Technological Curves of steel grade Ag72Cu

No Curve

Cross Reference Table (Equivalent Grade) of Ag72Cu

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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