1. Out Diameter:

21.3mm-1220mm 

2. Wall Thickness:

3mm-60mm

3. Length:

3m-12m

4. Producing Standard:

5. Main Material:

(Carbon Steel & Low Alloy steel)

6. Special specifications:

Available according to customer’s requirements and quantity.

7. End Shape:

Beveled end , plain end, varnished, or adding plastic caps to protect the two ends as per customer’s requirements.

8. Surface treatment:

Painted, Oiled, galvanized, phosphate etc.

9. Usage:

10. Certificates:

ISO9001-2000, ISO14000, ISO18000, API 5L certificate

11. Third party inspection:

Welcome you to send a third party inspecting company (BV, SGS etc) to check the quality of our final products.

12. Pictures:

our producing flow chart, our factory, production line, inspecting equipments, our products are listed below for your reference.

13. Chemical composition:

Please See below.