Coupling


fangbaby4513

New Member
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.
ItemOuter DiameterWall Thickness LengthRang 1Rang 2Rang 3
D<114.3D>=114.3 Tubing6.10~7.328.53~9.57
Tolerance±0.79-0.5%,+1%+/-12.50% Casing4.88~7.627.62~10.3610.36~14.63

GradeChemical Compositions (%)
CSiMnPSCrNiCuMoVAls
J55,K550.34~0.390.20~0.351.25~1.5≤0.02≤0.015≤0.15≤0.20≤0.20 ≤0.020
N800.34~0.380.20~0.351.45~1.7≤0.02≤0.015≤0.15 0.11~0.16≤0.020
L800.15~0.22≤1.000.25~1.0≤0.02≤0.01012.0~14.0≤0.20≤0.20 ≤0.020
P1100.26~0.350.17~0.370.40~0.7≤0.02≤0.0100.80~1.10≤0.20≤0.200.15~0.25≤0.08≤0.020

Mechanical properties
StandardGradeTensile strength(Mpa)Yield strength(Mpa)Elongation (%)Hardness
API SPEC 5CTJ55≥517379~552Check the table
K55≥517≥655
N80≥689552~758
L80≥655552~655≤241HB
P110≥862758~965

Package&Delivery
PackageStandard Steel Frame
DeliveryWithin 15 working days
ShippmentEXW,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..


Coupling
website:http://www.dlpoileqpt.com/coupling/
 
Top