Tubing
分类: Tubing  发布时间: 2000-06-05 12:17 

Tubing
Tubing

API 5CT oil tubing
1) API Spec 5CT.
2) J55, K55, N80, L80, P110
3) NUE&EUE
4) ISO 9001 quality system

API Tubing and its coupling made and checked in the company are in full accordance with API Spec 5CT.In the mean time, the product was authorized to use API Spec 5 CT monogram.

The kinds of the tubing made in the company are as follows: 2 3/8in, 2 7/8in and 3 1/2in NU and EU tubing of J55, K55,N80 ,L80 and P110 steel grade. After upsetting, the tubing endures full-length heat treatments. The heat treatment procedure is controlled by computers. Tubing production capacity is 100,000 ton per year and the upsetting and heat treatment capacity is30,000 ton per year.

With a perfect management system for tubing quality, the company got ISO9001 quality system certificate from Classification Society of China and got ISO9001 quality system certificate from API.Tubing and its coupling is one of main products to be covered with the quality system. In the mean time, the product was also authorized to use API Spec 5 CT monogram. The product is stable and reliable in quality, characteristic data are in accordance with the requirement of API Spec 5 CT specification for Casing and Tubing and API Std.5B Specification for Machining, Measurement.

Technical specitications

Steel grade
Min. Yield Strength
(MPa)
Max.
Yield Strength
(MPa)
Min.Tensile Strength
(MPa)
Size (in)
Connect Strength
(N)
OptimumMakeup Torque(N.m)
Min.
Makeup Torque (N.m)
Max.
Makeup Torque
(N.m)
J55
379
552
517
2-3/8
NU
220235
990
740
1240
EUE
319008
1750
1310
2190
2-7/8
NU
323012
1420
1070
1780
EUE
443585
2230
1670
2790
3-1/2
NU
486742
2010
1500
2510
EUE
634011
3090
2320
3860
N80
552
758
689
2-3/8
NU
319897
1380
1040
1730
EUE
464052
2450
1830
3060
2-7/8
NU
469836
1990
1490
2490
EUE
645134
3210
2340
3900
3-1/2
NU
707868
2810
2110
3510
EUE
921874
4330
3250
5420
P110
758
965
862
2-3/8
NU
440470
1740
1300
2170
EUE
638016
3080
2310
3850
2-7/8
NU
646024
2510
1880
3140
EUE
887170
3940
2960
4930
3-1/2
NU
973484
3550
2670
4440
EUE
1268022
5490
4120
6860

上一产品:没有了
下一产品:没有了