1. Out Diameter:

21.3mm-1220mm 

2. Wall Thickness:

3mm-60mm

3. Length:

3m-12m

4. Producing Standard:

• American ASME B36.10M, ASTM, API 5L, API 5CT
• Japanese JIS
• German DIN
• Chinese GB
• BS standard

5. Main Material:

(Carbon Steel & Low Alloy steel)

• ASTM A53, A106, A210, A252, A333 etc. 
• X42, X46, X52, X60, X65, X70 etc;
• JIS STPG42, G3454, G3456 etc;
• German St37, St42, St45, St52, DIN1626, DIN17175
• Chinese 20#, Q345, 16Mn etc.

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:

• Widely used in the mechanical treatment field, petrochemical industry, transport and construction field
• Ordinary structural purposes and mechanic structural purposes, for example in construction field, fulcrum bearing etc;
• The transportation of fluids in the projects and big equipments, for example transport of water, oil, gas etc
• Can be used in low and medium pressure boiler for the transportation of fluids, for example steam tube, big smoke tube, small smoke tube, generating tube etc

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.