ҧѧէߧ ҧ

ѧߧէѧ: API 5CT 
ߧ: J55, K55, N80, L80, C90, T95, P110, Q125
ѧ٧ާ֧:      1.05”~4 1/2” for Seamless Tubing
                      4 1/2”~20” for Seamless Casing
ݧڧߧ: R1/R2/R3

ѧ٧ާ֧:

ڧ ҧ

ѧ.

ݧڧߧ ֧ߧܧ

ݧէߧܧѧѧߧѧ ҧ

ѧ٧ާ֧ ҧ(mm)

է(mm)

է(mm)

114.3

±0.79

-12.5%

≥114.3

-0.5%, +1%

֧ѧߧڧ֧ܧڧ ѧѧܧ֧ڧڧܧ:


ѧߧէѧ

է֧ݧ ҧ

ߧ ߧ ѧ٧(MPa)

ߧ ֧ܧ֧
(MPa)

էݧا֧ߧڧ(%)

ا֧ܧ

API 5CT

J55

≥517

379~552

ӧ֧ ѧҧݧڧ

≤241HB

K55

≥517

≥655

N80

≥689

552~758

L80(13Cr)

≥655

552~655

P110

≥862

758~965

ڧާڧ֧ܧڧ ѧ:


ѧߧէѧ

է֧ݧ ҧ

ڧާڧ֧ܧڧ ѧ%

C

Si

Mn

P

S

Cr

Ni

Cu

Mo

V

Als

API 5CT

J55K55 (37Mn5)

0.34~ 0.39

0.2~ 0.35

1.25~ 1.5

≤0.02

≤0.015

≤0.15

≤0.20

≤0.20

 

 

≤0.02

N80 (36 Mn2V)

0.34~ 0.38

0.2~ 0.35

1.45~ 1.7

0.02

≤0.015

≤0.15

 

 

 

0.11~ 0.16

≤0.02

L80 (13Cr)

0.15~ 0.22

≤1.0

0.25~ 1.0

≤0.02

≤0.010

12.0~ 14.0

≤0.20

≤0.20

 

 

≤0.02

P110 (30CrMo)

0.26~ 0.35

0.17~ 0.37

0.40~ 0.7

≤0.02

≤0.010

0.8~1.1

≤0.20

≤0.20

0.15~ 0.25

≤0.08

≤0.02

ڧާ֧ѧߧڧ: ާ ѧӧڧ ѧҧ ާ էݧ ҧѧէߧԧ ҧ