Aluminium bronze A1

Short Description:

AWS A5.7 ERCuAl-A1

Standardization:		Numberical Symbol:
GB/T9460-2008		SCu6100
AWS A5.7:2007		ERCuAl-A1
BS EN ISO24373:2009		CuAl7

AWS Chemical Composition:		%
Cu incl.ag		bal.
Zn		0.20
Mn		0.50
Si		0.10
Al		6.00-8.50
Pb		0.02
Total others		max 0.50

Physical properties of materials:
Density	Kg/m^3	7.7
Melting range	℃	1030-1040
Thermal conductivity	W/m.K	65
Electrical conductivity	S.m/mm^2	7-9
Coefficient of thermal expansion	10^-6/K(20-300℃)	17.0

Standard values of the weld metal:
Elongation	%	40
Tensile strength	N/mm^2	430
Notched bar impact work	J	100
Brinell hardness	HB 2.5/62.5	100

Applications:
Particularly suitable for copper aluminium nickel materials and overlay welding on steel,increased resistance to wear and abrasion.Very good corrosion resistance to seawater.Applications :shipbuilding,appraratus and pump building.For multilayer welding on steels,pulsed arc welding is recommended.

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.