Overview Quick Details Place of Origin: China Application: Structure Pipe Alloy Or Not: Non-Alloy Section Shape: Round Special Pipe: Thick Wall Pipe Outer Diameter: 10 - 1219 mm Thickness: 0.7 - 60 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 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 category:: GI   Quality is everything! GI square/rectangular steel pipe    1. DETAILS & PICTURES OF GI square/rectangular steel pipeProduct Description SpecificationSection shape: Hollow sectionThickness: 0.5mm-17.75mmOuter diameter: 20*20~100*100mmStandardBS1387,GB3091,ASTMA53, B36.10, BS EN1029, API 5L, GB/T9711 etcMaterialQ195, Q235, Q345; ASTM A53 GrA,GrB; STKM11,ST37,ST52, 16Mn,etc.FabricationPlain ends, cutting, threading, etcSurface Treatment1. Galvanized2. PVC,black and color painting3. Transparent oil,anti-rust oil4. According to clients requirementPackage1. Bundle2. Bulk3. Plastic bags ,etcMin order1 tons, more quantity price will be lowerPayment termsT/T, L/C at sight, western union etc.Deliver time Within 7-15 days after deposit, ASAPApplicationConstruction,machine structure pipe, Agriculture equipment pipe, Water and gas pipe, Greenhouse pipe, Scaffolding pipe, Building material tube, Furniture tube, Low pressure fluid tube, Oil pipe, etc2. MATERIAL  OF GI square/rectangular steel pipe 3. SPECIFICATION OF GI square/rectangular steel pipe 4. PRODUCTION LINE OF GI square/rectangular steel pipe 5. MILL & LOADING AND DELIVERY OF GI square/rectangular steel pipe 6. TESTING OF GI square/rectangular steel pipe 7. CERTIFICATES OF GI square/rectangular steel pipe 8. INFORMATION ABOUT COMPANY OF GI square/rectangular steel pipe 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.