Product name Square steel pipe Out diameter 25*25-200*200mm or make to order Wall thickness 1.5mm-10.25 mm or as per your requirement Quality grade First grade Length 6m or as per your demands Moq 50 metric ton Deliver time 5-15 days after receive your deposits. Package Our products can be packed in bulk, or pvc bag; we also can package As customers requirements Payment terms T/t, l/c or further negotiation Usage industry Construction foundation piles, steel structure building, For low-pressure fluid service, steel structure bridges etc. Others We can do special orders as customers requests! We could provide all kinds of steel pipes. Sincerely welcomes foreign and domestic customers coming throughout Tsquare steel pipe is a product which is extensively used in the delivery of water, petroleum, gas .Etc. For low pressure. With high yield strength ability and good tensile ability, steel pipe is also widely used in construction, petroleum .Etc. In general, the od of the steel pipe we offered is from 25*25 to 200*200mm, the thickness is from 1.5-10.25 mm, the length is 6m. Other sizes are also available. Besides, our steel pipe has gone through the hydraulic test and bending test or flattening test, yield strength experience , tensile stength ability .Etc. Depending on a good management system and and advanced detection system, we could guarantee the quality. Our company have got through iso9000:2008, iso9001:2008, iso14001-2004, ohsas18001-2007. Besides, we also got through the recognition of america petroleum institute, and got the certificate of api5l. With huge stock ability, we could supply you the quickest delivery. With a strict quality control system, we could supply you low price but guarantee the quality. He business negotiations. Export standard packaging or in bulk, in woven bags or as per your requiremnets