Hebei New Sinda Pipes Manufacture Co., Ltd is specialized in manufacturing steel pipes for about 15 years, attaching more importance to the quality and credit, at competitive price always. We can provide structural seamless pipes for use in mechanical processing, oil and gas transportation, and construction industries. 1. Standards: GB/T8162-2008, GB/T8163-2008, ASTM A106 Gr. B, ASTM A53 Gr. B, ASTM A210, ASTM A333, DIN1629, DIN2448, DIN17175, EN10204, EN10297 etc. 2. Material: 20#, Q345B, ST52, S355JRH, ST37, 10#, A106/A53 GR. B. NO. 10 and NO. 20 are most widely used. 3. Thickness: From 4mm to 60mm Diameter: From 114mm to 914mm. The pipe length is customizable. Type: Seamless steel pipe 4. Use: Structure pipe, fluid pipe. 5. These pipes are durable due to its high corrosion resistance property and thus can be also used for constructing long distance pipelines for nuclear station, heating system and general- purpose. 6. Special pipe is also available: Regular and special thick-walled seamless steel tube, maximum thickness of up to 60mm. 7. Process: Hot rolled and hot expanded 8. We are ISO9001: 2000 and API certified company. 9. Supply ability: 20, 000T/Month More detail, plz visit our website if interested. Any needs or questions, do not hesitate to contact us.