Product Description:
API standard couplingshall be machined from the coupling blank,and made from the coupling material ,coupling stocks or hot forging.
Standard size:
Standard: API 5CT, API 5B
Steel Grade: J55, K55, L80, N80, C90, C95, T95, P110.
Tubing size: 1.315"-4 1/2"
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.
Item | Outer Diameter | Wall Thickness | Length | Rang 1 | Rang 2 | Rang 3 | ||
D<114.3 | D>=114.3 | Tubing | 6.10~7.32 | 8.53~9.57 | ||||
Tolerance | ±0.79 | -0.5%,+1% | +/-12.50% | Casing | 4.88~7.62 | 7.62~10.36 | 10.36~14.63 | |
Grade | Chemical Compositions (%) | ||||||||||
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 Properties | |||||
Standard | Grade | Tensile 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 | ≥655 | 552~655 | ≤241HB | ||
P110 | ≥862 | 758~965 | |||
Package&Delivery
Package | Standard Steel Frame |
Delivery | Within 15 Working Days |
Shippment | EXW,CFR,CIF By Air, By Sea |
Our Services/Warranty
As a professional manufacturer, we provide follow services:
1.Lower price
2.ONE year warranty and life time maintenance
3.In time delivery.
4.High Quality assurance..
Contact:Bonnie Xu
Email:BonneXu@dlpoctg.com
WeChat:13602055205
Skype:BonnieXu22
Tel:+86-13602055205
