DESCRIPTION:SPIRAL STEEL PIPE
EXECUTIVE STANDARD:
1.API SPEC 5L SPECIFICATION FOR LINE PIPE.
2.SY/T5037(CHINESE STANDARD)FOR LOW PRESSURE LIQUID TRANSPORTION.
3.GB/9711.1(CHINESE STANDARD)PETRDEUM AND NATURAL GAS INDUSTRIES.
4.DIAMETER SCHEDULE:
|
Size
|
No.
|
(O.D x Wall Thickness)mm
|
No.
|
(O.D x Wall Thickness)mm
|
|
|
1.
|
219×6--8
|
13.
|
920-1020×11-12
|
|
|
2.
|
273×6--8
|
14.
|
1120-1220×8-12
|
|
|
3.
|
325*6-8
|
15.
|
529-1220*13-14
|
|
|
4.
|
377×6--8
|
16.
|
1320-1420*9-12
|
|
|
5.
|
426×6--10
|
17.
|
1320-1420*13-14
|
|
|
6.
|
478×6--10
|
18.
|
1520-1620*9-12
|
|
|
7.
|
529×6--12
|
19.
|
1520-1620*13-14
|
|
|
8.
|
630-820×6--8
|
20.
|
1720-1820*10-12
|
|
|
9.
|
630-820×9-10
|
21.
|
1720-1820*13-14
|
|
|
10.
|
426 × 11-12
|
22.
|
1920-2020*10-12
|
|
|
11.
|
920-1020 ×6-8
|
23.
|
1920-2020*13-14
|
|
|
12.
|
920-1020*9-10
|
24.
|
2020-3050*12-25.4
|
5.MATERIAL:Q235B-Q345B,L175-L485,16MN,L290-L360 OR ACCORDING TO THE CUSTOMERS REQUIREMENTS.
6.STANDARD:
API-5l GB/T9711.1-1997 SY/T5037-2000
GB/T19001-2000 GB/T 24001-2004 GB/T 28001-2001 OHSAS 18001:1999
7.ANNUAL PRODUCTION:300,000TONS
8.PRODUCTION LINE: 6 SETS.
