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2019-05-31 浏览次数：

Standardization:		Numberical Symbol:
GB/T9460-2008		SCu6560
AWS A5.7:2007		ERCuSi-A
BS EN ISO24373:2009		CuSi3Mn1
DIN 1733		SG-CuSi3

AWS Chemical Composition:		%
Cu incl.ag		bal.
Zn		1.00
Sn		1.00
Mn		1.50
Fe		0.50
Si		2.80-4.00
Al		0.01
Pb		0.02
Total others		0.50

Physical properties of materials:
Density	Kg/m^3	3.5
Melting range	℃	965-1030
Thermal conductivity	W/m.K	35
Electrical conductivity	S.m/mm^2	3.5-4.0
Coefficient of thermal expansion	10^-6/K(20-300℃)	18.1

Standard values of the weld metal:
Elongation	%	40
Tensile strength	N/mm^2	345
Notched bar impact work	J	55
Brinell hardness	HB 2.5/62.5	80

Applications:
Joining and overlay welding of copper zinc alloys,low copper materials,also for an excellent wear resisting overlay welding on low and unalloyed steel as well as cast iron.For MIG overlay welding of large work pieces preheating is recommended.For multilayer welding on steels,pulsed arc welding is recommended.Appropriate for MIG brazing of zinc coated sheets.

Make up:
Diameter:0.64 - 0.80 - 1.00 - 1.20 - 1.60 -2.40
Spools:D100,D200,D300,D760,K300,KS300
Rods:1.60 - 9.6 mm x 914/1000 mm
Electrodes available.
Further make ups on request.