Main Products: API drill pipeHWDP ,Drill collar ,StabilizerForging ,API casing&tubing ,Hole opener
API 5CT casing pipe / oilfield seamless casing pipe / 6 5/8" well casing pipe /
Negotiable /Metric Ton
Min.Order:10 Metric Tons
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Shaanxi Senwell Import & Export Co., Ltd.
Business Type: Trading Company
Shaanxi ChinaMain Products: API drill pipeHWDP ,Drill collar ,StabilizerForging ,API casing&tubing ,Hole openerProduct Details
Standard:API SPEC 5CT Standard.
Steel grade: J55, K55, N80, L80, C90, T95, P110, Q125
Size: 4 1/2"~20" for Seamless Casing
Length: R1/ R2/ R3
Thread:STC/ BTC/ LTC/ VAM TOP
Dimensional 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 | Models of steel tubes | Tensile strength (MPa) | Yield strength (MPa) | Elongation (%) | Hardness |
API SPEC 5CT | J55 | ≥517 | 379~552 | check the table | ≤241HB |
K55 | ≥517 | ≥655 | |||
N80 | ≥689 | 552~758 | |||
L80(13Cr) | ≥655 | 552~655 | |||
P110 | ≥862 | 758~965 |
Chemical Composition:
API CASING LIST |
Size in | Linear Mass | Outside Diameter | Wall Thickness | Type of end-finish | |||||||||
Grade | |||||||||||||
ln. | mm | ln. | mm | H-40 | J-55 | M-65 | L-80 | N-80 Type1,Q | C-90 | P-110 | Q-125 | ||
4 1/2” | 9.5 | 4.500 | 114.30 | 0.205 | 5.21 | PS | PS | PS | -- | -- | -- | -- | -- |
10.50 | 4.500 | 114.30 | 0.224 | 5.69 | — | PSB | PSB | -- | -- | -- | -- | -- | |
11.60 | 4.500 | 114.30 | 0.250 | 6.35 | -- | PSLB | PLB | PLB | PLB | PLB | PLB | -- | |
13.50 | 4.500 | 114.30 | 0.290 | 7.37 | -- | -- | PLB | PLB | PLB | PLB | PLB | -- | |
15.10 | 4.500 | 114.30 | 0.337 | 8.56 | -- | -- | -- | -- | -- | -- | PLB | PLB | |
| |||||||||||||
18 5/8” | 87.50 | 18.625 | 473.08 | 0.435 | 11.05 | PS | PSB | PSB | - | - | - | - | - |
20” | 94.00 | 20.000 | 508.00 | 0.438 | 11.13 | PSL | PSLB | PSLB | - | - | - | - | - |
106.50 | 20.000 | 508.00 | 0.500 | 12.70 | - | PSLB | PSLB | - | - | - | - | - | |
133.00 | 20.000 | 508.00 | 0.635 | 16.13 | - | PSLB | - | - | - | - | - | - |
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