R&T Group
Casing

Casing

External Diameter

Internal Diameter

Thickness

Steel Grade

in

mm

in

mm

mm

4 - 1/2

114.30

4.000

101.60

6.35

J55, K55, L80,P110

5

127

3.920

99.57

7.37

J55, K55, L80,P111

4.408

111.96

7.52

J55, K55, L80,P112

4.276

108.61

9.29

J55, K55, L80,P113

4.126

104.80

11.10

J55, K55, L80,P114



Steel Grade: H40, J55, K55, M65, L80-1, N80-Q, C90, P110, Q125
Standard: API SPEC 5CT
Application: application to the casing pipe into the drills oil and gas well hole

Our company has a professional management team. The core management staffs all have over 20 years' experience in the steel pipe industry who worked in the well – known iron – steel company in China; they are expert in manufacturing and processing of seamless steel pipe. Our products are widely used in petroleum, chemical, machinery, automobile, pressure vessels, coal chemical industry and natural gas industry.

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  • TEL:+86 546 7775669
  • FAX:+86 546 7775669
  • EMAIL:marketing@rtpetro.com
  • ADDRESS:No. 1, Tai'er Zhuang Road, Hi-tech Industrial Development Zone, Dongying, Shandong, China