Overview Quick Details Place of Origin: Tianjin, China Application: Structure Pipe Alloy Or Not: Non-Alloy Section Shape: Round Special Pipe: Thick Wall Pipe Outer Diameter: 20 - 219 mm Thickness: 0.7 - 2 mm Standard: API, ASTM, bs, DIN, GB, JIS, API 5CT, API 5L, API 5DP, ASTM A106-2006, ASTM A213-2001, ASTM A234-2007, ASTM A334-2004, BS 1139, BS EN 10297, DIN 2444, GB/T 13793-1992, GB/T3639, JIS G3462-2004, JIS G3459, JIS G3466 Grade: 10#, 20#, 45#, A106(B,C), A369, 10CRMO910, Q235, Q345, Q195, Q215, ST42, ST45, ST35, STPA22, STPA26, 10#-45#, A53-A369, Cr-Mo alloy, Q195-Q345, ST35-ST52, STPA22-STPA26 Surface Treatment: Copper Coated Technique: Hot Rolled Certification: ce, ISO9001 API5L Secondary Or Not: Non-secondary Type: GI steel pipe Keyword: carbon steel pipe Material: Q195/Q215/Q235/Q345 Surface: Paint Length: 1-12m End protector: Plastic Pipe Cap Shape: Circular Usage: Construction Structure  EN10219 S185 S325JR S325JO S235JR 20X20MM GALVANIZED SQUARE STEEL PIPE/GI   Size  Length 0.5-2.5mmStandardASTM A500, BS1387,GB3091,ASTMA53, B36.10, BS EN1029, GB/T9711 etcMaterialQ195, Q235, Q345; ASTM A53 GrA,GrB; STKM11,ST 52,ST 37, 16Mn etcFabricationPlain ends, cutting, etc Surface Treatment1. PVC,black and color painting2. Transparent oil,anti-rust oil3. According to clients requirementPackageBundle;Bulk;Plastic bags ,etc  OthersWe can do special orders as customer's requirement.We also can provide all kinds of steel hollow pipes.All the production process are made under the ISO9001:2008 strictly 1. DETAILS & PICTURES2. MATERIAL  3. SPECIFICATION 4. PRODUCTION LINE 5. MILL & LOADING AND DELIVERY 6. TESTING 7. CERTIFICATES 8. INFORMATION ABOUT COMPANY Tianjin Reliance  Company , is specialized in manufacturing steel pipes. and many special service can be done for you. such as ends threatment, surface finihsed, with fittings, loading all kinds of sizes'goods in container together, and so on.Our office is located in Nankai distric, Tianjin city, near beijing, the capital of China, andwith excellent location.It just takes 2 hours from beijing international airport to our company by high speed rail.and the goods can be deliveryed from our factory to tinajin port for 2 hours. you can take40 minutes from our office to tianjin binhai international airport by subway.      WITH PIPES, WE CONTACT THE WORLD.