1.Commodity

large diameter corrugated steel pipe

galvanized steel pipe /carbon steel pipe /seamless steel pipe /Carbon steel seamless pipe/carbon steel welded pipe

2.Out Diameter

21.3mm-1220mm

3. Wall Thickness

3mm-60mm

4. Length

3m-12m

5. Producing Standard

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

6. 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

7. Special specifications

Available according to customer’s requirements and quantity.

8. End Shape

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

9. Surface treatment

Painted, Oiled, galvanized, phosphate etc

10. 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

11. Certificates

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

12. Third party inspection

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

13. Pictures

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

14. Chemical composition

Please See below.