Normal OutDiameter:

21.3mm-1220mm

2.Normal Wall Thickness:

3mm-60mm

3.Normal Length:

3m-12m

4.Producing Standard:

AmericanASTM, API 5L, API 5CT, Japanese JIS, German DIN, Chinese GB/T, BSstandard

5.Main Material:

Carbon Steel& Low Alloy steel. ASTM A53, A106, A210 etc; JIS STPG42, G3454,G3456 etc; German St42-2,St45-8, DIN1626, DIN17175 etc; Chinese20#, Q345, 16Mn etc

6.Special specifications:

Availableaccording to customer’s requirements and quantity.

7.End Shape:

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

8.Surface treatment:

Painted,Oiled, galvanized or phosphate etc

9.Usage:

• Widely usedin the mechanical treatment field, petrochemical industry,transport and construction field
• Ordinarystructural purposes and mechanic structural purposes, for examplein construction field, fulcrum bearing etc;
• Thetransportation of fluids in the projects and big equipments, forexample transport of water, oil, gas etc
• Can be usedin 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.Pictures

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

12.Chemical composition:

Please Seebelow.