Gaining customer satisfaction is our company's aim forever. We will make great efforts to develop new and top-quality products, meet your special requirements and provide you with pre-sale, on-sale and after-sale services for Super Lowest Price China Black Round Carbon Steel Seamless Pipe for Structure Purpose ASTM A53 / ASTM 106b / API5l /ASTM A252 Gr. B, And we can help wanting for virtually any products on the customers' needs. Make sure present the most beneficial Assistance, the ideal Good quality, The quick Delivery. Gaining customer satisfaction is our company's aim forever. We will make great efforts to develop new and top-quality products, meet your special requirements and provide you with pre-sale, on-sale and after-sale services for China Seamless, Seamless Tube, Abiding by our motto of "Hold well the quality and services, Customers Satisfaction", So we give our clients with high quality products and solutions and excellent service. Be sure to feel free to contact us for further information. Size Outside Diameter: 1/2" - 24"Wall Thickness: 1.2mm - 12mm Length: 0.5m - 12m Standard BS1387,GB3091,ASTMA53, B36.10, BS EN1029, API 5L, GB/T9711 etc Material Q195, Q235, Q345; ASTM A53 GrA,GrB;STKM11,ST37,ST52, 16Mn,etc. Fabrication Plain Ends, Beveled Ends, cutting, etc Surface Treatment 1. PVC,black and color painting 2. Transparent oil,anti-rust oil,galvanizing 3. According to clients requirement Package Bundle;Bulk;Plastic bags ,etc Application Construction, machine structure, Agriculture equipment Water and gas transport, Greenhouse, Scaffolding Use Building material, Furniture, Low pressure fluid transport, Oil transport, etc Our Services 1) Samples: free 2) Lenght: any length can be cut for you. 3) Quality: accept THE THIRD PARTY INSPECTION. 4) OEM: Acceptable 5) Marking: company logo, company name, specification can painted on pipes. 6) OC documents can be offered. Production process  Factory testing With advanced machine, We can check chemical component, mechanical property, water pressure, etc Regular inspection: diameter, wall thickness, length, welding range, surface, etc Company Information Tianjin Reliance Company , is specialized in manufacturing steel pipes. and many special service can be done for you. such as ends treatment, surface finished, with fittings, loading all kinds of sizes' goods in container together, and so on. Our office is located in Nankai district, Tianjin city, near Beijing, the capital of China, and with excellent location.It just takes 2 hours from beijing international airport to our company by high speed train.and the goods can be delivered from our factory to Tianjin port for 2 hours. you can take 40 minutes from our office to Tianjin binhai international airport by subway. Export record: India,Pakistan,Tajikistan,Thailand,Myanmar,Australia,Canada,United States,United Kingdom,Kuwait,Mauritius,Morocco,Paraguay,Ghana,Fiji,Oman,Czech Republic,Kuwait,Korea and so on.