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Chemical composition % of grade CuSn4Pb4Zn4 ( CW456K )

Fe	Ni	P	Pb	Zn	Sn	Te	Others	-
max 0.1	max 0.2	0.01 - 0.4	3.5 - 4.5	3.5 - 4.5	3.5 - 4.5	max 0.2	total 0.2	Cu - remainder

Mechanical properties of grade CuSn4Pb4Zn4 ( CW456K )

Rm - Tensile strength (MPa) (R450)

450

Rp0.2 0.2% proof strength (MPa) (R450)

350

A - Min. elongation at fracture (%) (R450)

A - Min. elongation Lo = 100mm (%) (R450)

Brinell hardness (HB): (R450)

150

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