Sample composition

C

Si

Mn

P

S

Cr

Mo

Ni

Cu

Failed tubing

0.23

0.25

0.47

0.0087

0.0026

0.91

0.76

0.027

0.044

Intact tubing

0.24

0.26

0.47

0.0090

0.0025

0.91

0.76

0.028

0.044

API Spec 5CT

≤0.35

/

≤1.20

≤0.020

≤0.005

0.40 - 1.50

0.25 - 1.00

≤0.99

/

Supply technical agreement

≤0.35

/

≤1.20

≤0.015

≤0.003

0.10 - 1.60

0.20 - 1.20

/

/