Seamless carbon steel pipe Standard: API, ASME, DIN, JIS. GB...Or Customization Material: Carbon, Austenitic, Alloy, Titanium, Nickel Base Alloy Application: Petrochemistry, Chemical Engineering, Power Station... Drift Diameter: DN10mm-DN4000mm Thickness: 3mm-220mm Pressure: SCH10-SCH160 XXS Length: Cutting-to-Length, Random Length Advantage: 1, Man Power and Production Capacity: Employees: More than 100years Yearly Capacity: Steel pipes 2 million ton and pipe fittings 4 million ton Annual Turnover: CNY 147 million. 2, Advantages of Our Manufacturing Technique: Nearly two decades experience of this field. Equipped with the biggest pressure machine and extruding machine of China. 3, Advantage of our raw materials: Our raw material suppliers are the most famous enterprises of China. To guarantee the thickness of the products, all the raw materials are required to be reasonably thicker than the demand. 4, Advantages of Our Perfect Test System: Re-test of The Raw Materials: Chemical element analysis, tensile strength, impact ductility, metallurgical structure analysis, ultrasonic non-destructive examination, geometry size measurement. Certificates: ISO9001 Quality System ASME U. S Certification of Authorization Manufacture License of Special Equipment (People's Republic of China) Manufacture License of A Class Boiler and Accessory (People's Republic of China) Manufacture License of Civil Pressure-bearing Nuclear Equipment (People's Republic of China Standard BS, JIS, DIN, API Standard BS 1387, BS 1139, BS 6323, BS 6363, JIS G3467-2006, JIS C8305-1999, JIS G3474-2008, JIS G3459, SEW680, DIN 17175, API 5L Grade 10#-45#, Mn-V alloy, 15NiCuMoNb5, API J55-API P110 Grade 10#, 20#, 15MnV, 15NiCuMoNb5, API L80 Thickness 3 - 220 mm Section Shape Round Outer Diameter 6 - 4000 mm Place of Origin Jiangsu, China (Mainland) Secondary Or Not Non-secondary Standard ASTM,ASME, ANSI Grade 10#, 20#, 45#, Q235, Q345, API J55, API K55 Outer Diameter 10-4000mm