Metal

Chemical Composition

Elbow (%)

Welding joint (%)

Tube (%)

Cr

0.03

0.05

0.03

Mn

0.79

1.19

0.92

Mo

0.02

<0.01

<0.01

Ni

0.08

0.02

0.03

Si

0.31

0.62

0.19

C

0.195

0.043

0.163

S

0.003

0.024

0.002

P

0.018

0.023

0.022

Fe

98.60

97.96

98.66