Energy Steel Industrial Co.,ltd specialize in steel pipes for 20 years in China. Steel Pipe Supply maintains a full line of sizes and specifications ofOur main products include carbon steel pipe, stainless steel pipe fittings, Below is the detailed information:Carbon Steel pipe: Seamless steel pipe: OD: 1/4inch-32inch; WT: 1.73mm-50mm ;LENGTH: 5.8M/6M/12MERW steel pipe: OD: 1/4inch-24inch; WT: 1.73mm-20mm ;LENGTH: 5.8M/6M/12MLSAW steel pipe: OD: 18inch-56inch; WT: 8mm-50mm ;LENGTH: 5.8M/6M/12MSpiral Steel Pipe: OD: 8inch-3500mm; WT: 5mm-25mm ;LENGTH: 5.8M-45M Stainless Steel Pipe: 304 ,304L,306,306L stainless seamless steel pipes and welded steel pipesPipe fittings ( ASTM / ASME A234 WPB | ASTM/ASME (S)A403 TP 304(L), 316(L), 321(H), 347(H)Elbows, Return Bends, Tees, Reducers and CapsSizes from ½" up to 36″Sch 40 up to sch XXSFlanges (ASTM A105 / EN1092-1)Flat plate flange ; Slip on flange; RF flange; blind flange.,etcSize from ½" up to 80″ Our steel pipes and fittings comply with national as well as international standards such as API , ASTM , DIN, JIS and ANSI .,etc. Our purchase will be complimented with courteous, professional and economical guidance and service. We are faithfully looking forward to your kind inquiry.--Best RegardsEddy YangProject Manager | Line pipe DivisionENERGY STEEL INDUSTRIAL CO.,LTD(Tel:(0086)731-82241208 Mobile : (0086)13786196061(Fax:(0086)731-82241208 Email:project@steel-industrial.comwww.steel-industrial.com