Laxmi wires

Chemical composition % of grade CuSn7Zn4Pb7-C ( CC493K )

Fe	Si	Ni	P	S	Al	Cu	Pb	Zn	Sb	Sn	-
max 0.2	max 0.01	max 2	max 0.1	max 0.1	max 0.01	81 - 85	5 - 8	2 - 5	max 0.3	6 - 8	Cu including Ni

Mechanical properties of grade CuSn7Zn4Pb7-C ( CC493K )

Rm - Tensile strength (MPa) (GS) or (GM)

230

Rm - Tensile strength (MPa) (GZ) or (GC)

260

Rp0.2 0.2% proof strength (MPa) (GS) or (GM)

120

Rp0.2 0.2% proof strength (MPa) (GZ) or (GC)

120

A - Min. elongation at fracture (%) (GS)

A - Min. elongation at fracture (%) (GM) or (GZ) or (GC)

Brinell hardness (HBW): (GS) or (GM)	60
Brinell hardness (HBW): (GZ) or (GC)	70