4774

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America SAE 4774 Silver Alloy Brazing Filler Metal 63Ag - 28.5Cu - 6.0Sn - 2.5Ni 1275 to 1475 °F (691 to 802 °C) Solidus-Liquidus Range and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: 4774 / 4774

Category	Grade	Standard	Region/Area	Standard Content
Metals	4774	SAE AMS 4774F	America	Silver Alloy Brazing Filler Metal 63Ag - 28.5Cu - 6.0Sn - 2.5Ni 1275 to 1475 °F (691 to 802 °C) Solidus-Liquidus Range

Chemical composition(mass fraction)(wt.%) of the 4774

Element	Min	Max	Similar
Sn	5.0000	7.0000	-
Others total	-	0.1500	-
Ni	2.0000	3.0000	-
Cu	27.5000	29.5000	-
Ag	62.0000	64.0000	-

Mechanical Properties of steel grade 4774

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)
489 (≥)	118 (≥)	14	32	31	Solution and Aging, Annealing, Ausaging, Q+T,etc	324

Physical Properties of steel grade 4774

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
12	-	-			0.42	-
367	679	-	14.3	211		-
498	-	23	34.2			133	224

Heat Treatment of steel grade 4774

Heat treated : 1388°C - 1747°C

Technological Curves of steel grade 4774

No Curve

Cross Reference Table (Equivalent Grade) of 4774

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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