Ms Steel ERW carbon ASTM A53 black iron pipe welded sch40 steel pipe for building material Quick Details Place of Origin: China Application: Structure Pipe Alloy Or Not: Non-Alloy Section Shape: round,square,retangular,oval Special Pipe: Thick Wall Pipe Thickness: 0.5 - 12 mm Standard: ASTM, bs, GB, JIS, ASTM A53-2007, ASTM A671-2006, ASTM A53M-2007, ASTM A513-2007, BS EN10219, GB 18248-2000, GB/T 3094-2000, JIS G3452-2004, JIS G3456-2004, JIS G3466 Technique: ERW Grade: 10#, 20#, 45#, 16mn, Q235, Q195, Q215, ST37, ST52, St37-2, ST35, 10#-45#, 16mn, Q195-Q345, ST35-ST52 Surface Treatment: Oiled/Black painting/Galvanized Tolerance: +/-5% Processing Service: Bending, Welding, Cutting, Painting Type: Welded Steel Pipe Product name: Prices Iron Pipe 6 Meter Welded Steel Pipe Erw Black Square Steel Pipe Out diameter: 10X10~400X400mm Length: 1-12m End protector: Plastic Pipe Cap, Threads, Coupling Pipe ends: Plain end Sample: Free MOQ: 5 Tons Payment: L/C, T/T, D/A, D/P, O/A Packing: Steel belt, Plastic Bag+Bundles or others Permanent Steel Manufacturing Co.,Ltd has been committed to being a major supplier of quality kinds of carbon steel pipe, stainless steel tube, hollow section, numerous types of piping equipment including Bend, Cap, Coupling, Elbow, Reducer, Stub End, Tee, Olet, Joint, Gasket, etc.As a factory,which specializing in the production, processing and sales of various steel pipes and pipe fittings size enterprises, headquartered in Hunan, the production base is located in Shandong and Tianjin. So far, the facility occupies more than 228,000 square feet under roof and includes two working mills and quality assurance chemical- and strength-testing laboratories on site and located on a 2,000-acre site with more than 60 acres under roof, is home to one of the world's largest cupolas; and the Contiarc, the first-of-its-kind continuous arc furnace.Our company has imported the advanced productive equipment and the inspection equipment, we will do the UT testing, RT testing on line, and the Hydrostatic testing during the production. 1.Payment terms:20%+80% TT,100% LC after sight 30-180 days,O/A (Open terms),D/P etc. 2.Quality assurance :We have agents, distributors and authorized partners in more than 80 countries and 140 cities around the world. Any problems about quality, logistics, after-sales within two years, we will help customers deal with and negotiate 24 hours unconditionally and be responsible for all after-sales problems. 3. Certificate of origin:Either from our Singapore base or China to avoid your anti dumping ,if any 4. Other Certificates:API,ISO,CE,EN10204 3.1/EN 10204 3.2,LOADING REPORT/INSPECTION for Free. 5.Biggest advantages:We have invested independent raw material mill