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Chemical composition










Cu(ȃ)

Si(Öº)

Fe(ÅK)

Mn(¿ø)

Mg(Áâ)

Zn(¾N)

Cr¡]»Ì¡^

Ti(Üg)

Pb+Bi

Üj¡B¹c

Al(¾T)

0.1

0.35

0.4

0.2-0.7

1.0-1.8

4.0-5.0

0.06-0.2

0.01-0.06

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§Ü©Ô±j«×Kg/mm?

Tensile strength

©}ªA±j«×Kg/mm?

Yield strength

©µ¦ù²v¢H

Percentage elongation after fracture

µw«×HB

500kgf

10mm ball

Hardness







550

545

9

158








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