API 5CT

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API 5CT-89 CASING AND TUBING (API 5 CT - 89 /API5CT-89)

http://www.api.org

1. Chemical composition

Mfg. Grade Process H-40 J-55 K-55 N-80

S,E S,E S,E S,E

C-75-1

S,E

C-75-2 C-75-3 C-759Cr C-7513Cr

S,E S,E

L-80-1

S,E

L-80-

S S

S

Chemical composition(%) C

Si

Mn

-

-

-

P

S

0.030Max0.030Max 0.030Max0.030Max 0.030Max0.030Max 0.030Max0.030Max

Ni

Cr

Mo

-

-

-

Others

Cu 0.50Max 0.45Max 1.90Max 0.030Max0.030Max0.50Max 0.50Max 0.15~0.40 0.50Max 0.43Max 0.45Max 1.90Max 0.030Max0.030Max 0.38Max 0.75~1.000.030Max0.030Max 0.80~1.10 0.15~0.25 Cu 0.15Max 1.00Max0.30~0.60 0.20Max 0.010Max0.50Max 8.00~10.0 0.90~1.10 0.25Max Cu 0.15~0.221.00Max0.25~1.00 0.20Max 0.010Max0.50Max 12.0~14.0 0.25Max Cu 0.43Max 0.45Max 1.90Max 0.030Max0.030Max0.25Max 0.35Max Cu 0.15Max 1.00Max0.30~0.60 0.20Max 0.010Max0.50Max8.00~10.000.90~1.10