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Home » For Buyers » Chemicals» Petroleum & Products » Others » Seamless pipe
China Xi'an Fengyang Petroleum Equipments Co., Ltd
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Products:Seamless pipe
Seamless pipe
Post Date Nov 28, 2007
Business Category Chemicals » Petroleum & Products » Others
Country/Region China [CN]
Company Address Room A0502-B , Huajing Business Building ,No. 20 Fenghui South Road ,Hi-tech Zone,Xi'an ,China ., xi'an, China [CN]
Business Type
» RecommendDescription

Seamless Pipes for Oil Casings and Tubes

Standard：


API SPEC 5CT Standard of American Petroleum Institute

Steel Grade :

J55, K55, N80, L80, P110 etc

Diamensional tolerances:

Types of steel tubes

Outer diameter

Wall thickness

Cold-rolled tubes

Tube sizes(mm)

Tolerances(mm)

Tolerances(mm)

＜114.3

±0.79

－12.5％

≥114.3

－0.5％，＋1％

Mechanical properties：

Standard codes

Models of steel tubes

Tensite strength（MPa）

Yield strength（MPa） 

Elongation（％） 

Hardness

API SPEC 5CT

J55

≥517

379～552

check the table

 

K55

≥517

≥655

 

N80

≥689

552～758

 

L80(13Cr)

≥655

552～655

≤241HB

P110

≥862

758～965

 

Chemical Composition :

Standard codes

Models of steel tubes

Chemical compositions（％） 

C

Si

Mn

P

S

Cr

Ni

Cu

Mo

V

Als

API SPEC 5CT

J55K55(37Mn5)

0.34～0.39

0.20～0.35

1.25～1.50

≤0.020

≤0.015

≤0.15

≤0.20

≤0.20

 

 

≤0.020

N80(36 Mn2V)

0.34～0.38

0.20～0.35

1.45～1.70

≤0.020

≤0.015

≤0.15

 

 

 

0.11～0.16

≤0.020

L80(13Cr)

0.15～0.22

≤1.00

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Place of Origin China [CN] Currency
Payment Method Minimum Order
Delivery Time Delivery
Packaging Supply Ability
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