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2019-05-31 浏览次数：

Standardization:		Numberical Symbol:
GB/T9460-2008		SCu6511
BS EN14640:2005		Cu 6511

GB Chemical Composition:		%
Cu incl.ag		bal.
Zn		max 0.20
Sn		0.10-0.30
Mn		0.50-1.50
Fe		max 0.10
Si		1.50-2.00
P		max 0.02
Al		max 0.01
Pb		max 0.02
Total others		max 0.5

Physical properties of materials:
Density	Kg/m^3	8.7
Melting range	℃	1030-1050
Thermal conductivity	W/m.K	40
Electrical conductivity	S.m/mm^2	4.7-5.3
Coefficient of thermal expansion	10^-6/K(20-300℃)	18.1

Standard values of the weld metal:
Elongation	%	40
Tensile strength	N/mm^2	280
Notched bar impact work	J	70
Brinell hardness	HB 2.5/62.5	61

Applications:
Particularly suitable for MIG brazing of zinc coated sheets in the car engineering,good flowing properties of weld pool,low tendency to porosity and spatter,also suitable for welding of zinc alloys, large work pieces preheating is recommended.For multilayer welding low alloyed copper,for low and unalloyed steels and cast iron.For large work pieces preheating is recommended.Ideal for the use in car body making.

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
Further make ups on request.