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Gas Well Seamless Casing Pipe / Oil Well Casing Pipe Varnished Surface

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Brand Name :	Zhongshi
Model Number :	4 1/2"-20"
Certification :	API 5CT, ISO, QHSE
Price :	Negotiable
Payment Terms :	T/T, L/C

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Gas Well Seamless Casing Pipe / Oil Well Casing Pipe Varnished Surface

13 3/8" P110 Steel Grade Seamless Casing Pipe For Oil And Gas Well

Oil casing pipe descriptions:

Oil casing is a large diameter seamless pipe that is assembled and inserted into the drilled section of

the borehole and typically held into place with cement.

Puyang Zhongshi Group provide various seamless casing from 4-1/2’’-20’’ with steel grade J55,K55,

N80,L80,P110 etc. The Casing pipe length range is R1,R2,R3, with threads of BTC, LTC, STC.

According to the strength of steel, casing pipe steel can be divided into different steel grades. Different

steel grade is used in oil well with different well depth. In corrosive environment also requires the casing

itself has corrosion resistance. In the complicated geologic condition place also asked the casing

having a anti-collapse performance.

Features:

1. Alloy steel seamless pipe
2. Length range R3

Technical specification:

Product Name	OCTG casing
Technique	Hot Rolled
Standard	API 5CT
Surface	Varnish
API 5CT Casing: Materials:H40,J55,K55,N80-1,N80-Q,L80-1,L80-9Cr,L80-13Cr,C90,C95,T95,P110,Q125 Outside Diameter:114.3-508mm Wall Thickness:5.21-22.22mm Type of thread:STC,LTC,BTC, Length:6-14m,R1,R2,R3,also can be manufactured by customers’ requirements

Chemical Compositions(%):

Standard

Steel Grade

Chemical Composition (%)

Als

API 5CT

J55

0.34~

0.39

0.20~

0.35

1.25~

1.50

≤0.020

≤0.015

≤0.15

≤0.20

≤0.020

API 5CT

K55

0.34~

0.39

0.20~

0.35

1.25~

1.50

≤0.020

≤0.015

≤0.15

≤0.20

≤0.020

API 5CT

N80

0.34~

0.38

0.20~

0.35

1.45~

1.70

≤0.020

≤0.015

≤0.15

0.11~

0.16

≤0.020

API 5CT

L80

0.15~

0.22

≤1.00

0.25~

1.00

≤0.020

≤0.010

12.0~

14.0

≤0.20

≤0.020

API 5CT

P110

0.26~

0.35

0.17~

0.37

0.40~

0.70

≤0.020

≤0.010

0.80~

1.10

≤0.20

0.15~

0.25

≤0.08

≤0.020

Mechanical Properties:

Standard	Steel grade	Tensil Strength(Mpa)	Yeild Strength(Mpa)	Elongation(%)
API 5CT	J55	≥517	379~552	0.5%
API 5CT	K55	≥655	379~552	0.5%
API 5CT	N80	≥689	552~758	0.5%
API 5CT	L80	≥655	552~655	0.5%
API 5CT	P110	≥862	758~965	0.6%

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