Carbon Steel Seamless Pipe API 5CT
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QCCO was approved as a member of “China Association for Contracting Projects Abroad “and granted a membership certificate on Sep 28,2005; “Credibility Rating AAA certificate in Foreign Trade” was granted to QCCO by China Shippers’ Association
Product Description
Standard: API 5CT, API 5B
Steel Grade: J55, K55, L80, N80, C90, C95, T95, P110.
Tubing size: 1.9"-4 1/2"
Casing size: 4 1/2"-13 7/8" Alloy steel pipe|Carbon steel pipe|spiral steel pipe
End finish: Plain end; Non-upset threaded and coupled; External upset threaded and coupled.
Thread: Short round thread; Long round tread; Buttress thread
Application: Tubing is used to extracting petroleum and natural gas from a well. Casing serves as walls of a well.
Seamless steel pipe|
Size Tolerance
| OD Tolerance | WT Tolerance | length | Rang 1 | Rang 2 | Rang 3 | ||
| D<114.3 | D>=114.3 | Tubing | 6.10~7.32M | 8.53~9.57M | |||
| ±0.79 | -0.5%,+1% | +/-12.50% | Casing | 4.88~7.62M | 7.62~10.36M | 10.36~14.63M | |
Chemical Composition (%)
| Grade | C | Si | Mn | P | S | Cr | Ni | Cu | Mo | V | Als |
| J55,K55 | 0.34~0.39 | 0.20~0.35 | 1.25~1.5 | ≤0.02 | ≤0.015 | ≤0.15 | ≤0.20 | ≤0.20 | ≤0.020 | ||
| N80 | 0.34~0.38 | 0.20~0.35 | 1.45~1.7 | ≤0.02 | ≤0.015 | ≤0.15 | 0.11~0.16 | ≤0.020 | |||
| L80 | 0.15~0.22 | ≤1.00 | 0.25~1.0 | ≤0.02 | ≤0.010 | 12.0~14.0 | ≤0.20 | ≤0.20 | ≤0.020 | ||
| P110 | 0.26~0.35 | 0.17~0.37 | 0.40~0.7 | ≤0.02 | ≤0.010 | 0.80~1.10 | ≤0.20 | ≤0.20 | 0.15~0.25 | ≤0.08 | ≤0.020 |
Mechanical propertiesGalvanized steel pipe|
| Grade | Tensile strength(Mpa) | Yield strength(Mpa) | Elongation (%) | Hardness |
| J55 | ≥517 | 379~552 | Check the table | |
| K55 | ≥517 | ≥655 | ||
| N80 | ≥689 | 552~758 | ||
| L80 | ≥655 | 552~655 | ≤241HB | |
| P110 | ≥862 | 758~965 |
上一篇：Seamless Carbon Steel Pipes, ASTM A179, A192, DIN17175, BS30
