2-7/8 Coupling

2-7/8 Coupling

2-7/8 couplingshall be machined from the coupling blank,and made from the coupling material ,coupling stocks or hot forging.
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Product Details

Product Description:

2-7/8 couplingshall be machined from the coupling blank,and made from the coupling material ,coupling stocks or hot forging.


Technical Paratemeters

Standard

API 5CT/ ISO11960

Grade

Group.1

H40/PSL.1, J55/PSL.1, J55/PSL.2, J55/PSL.3, 
     K55/PSL.1, K55/PSL.2, K55/PSL.3,

N80(1)/PSL.1, N80(1)/PSL.2, N80(Q)/PSL.1, 
     N80(Q)/PSL.2, N80(Q)/PSL.3

Group.2

M65/PSL.1, M65/PSL.3, L80/PSL.2, L80(1)/PSL.1, 
     L80(1)/PSL.3, L80(9Cr)/PSL.1, L80(13Cr)/PSL.1, 
     C90/PSL.1, C90/PSL.2,
     C90/PSL.3, T95/PSL.1, T95/PSL.2T95/PSL.3

Group.3

P110/PSL.1, P110/PSL.2, P110/PSL.3,

Group.4

Q125/PSL.1, Q125/PSL.2, Q125/PSL.3,

Minimum Order Quantity

30 Ton

Outside DiameterRanges

Tubing

1.66 inch to 4 1/2 inch or 42.16mm to 114.3mm

Casing

4 1/2 inch to 20 inch or 114.3mm to 508mm

Coupling

4 1/2 inch to 20 inch or 114.3mm-508mm

Wall Thickness

According to API 5CT Standard

Length

Tubing

R1 (6.10m to 7.32m), R2 (8.53m to 9.75m), R3 (11.58m to 12.80m)

Casing

R1 (4.88m to 7.62m), R2 (7.62m to 10.36m), R3 (10.36m to 14.63m)

Type

Seamless

Type of End-Finish

Tubing

P, I, N, U

Casing

P, S, B, L

Coupling

STC,LTC,BTC,NUE,EUE


Technical Specification

Item

Tolerance

OD

D<114.3mm

±0.79mm

D≥114.3mm

+1%D

-0.5%D

WT

 

-12.50%

Weight

Single Lengths

+6.5%,-3.5%

Carload 18 144 kg (40 000 lb) or more

-1.75%

Carload less than 18 144 kg (40 000 lb)

- 3,5 %


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.. 

 

 

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