Table 1 The chemical analysis of the copper specimens.

From: Characterization of joining copper rods by upset technique and investigating the effect of preheat treatment on the weld characteristics

Element

(ppm)

Ag

9.30

Al

0.39

As

0.89

Bi

0.10

Cd

0.10

Co

0.10

Cr

0.46

Fe

4.56

Mg

0.10

Mn

0.66

Ni

1.11

P

1.14

Pb

0.10

S

0.10

Sb

2.80

Se

0.10

Si

0.10

Sn

2.92

Te

0.10

Zn

2.52

Cu*

99.99(%) *

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