ST37-2 Ss400 Black Carbon Rectangular Square Steel Pipe 

Product Parameters Product Name Carbon Steel Square Pipe ; Carbon Steel Square Tube Standard GB5310-2009, GB3087-2008, GB6479-2013, GB9948-2013, GB/T8163-2008, GB8162-2008, GB/T17396-2009 EN10216-5, EN10217-7, DIN17456, DIN 17458 JIS G3463, JIS G3119, JIS G3446, JIS G3218, JIS G3258, JIS G3448, JIS H4631 Outer Diamater 1) Round Pipe: 8mm - 680 mm 2) Square Pipe: 10mm*10mm - 500mm*500mm 3) Rectangular Pipe: 10mm*20mm -500mm*450mm Wall-Thickness 0.5mm-100mm or Customized Length 1m, 1.8m, 2m, 3m, 4m, 5m, 5.8m, 6m, 9m, 10m, 11.8m, 12m or Customized Square Pipe Size 16×16×0.4~1.5 ; 18×18×0.4~1.5 ; 20×20×0.4~1.5 ; 25×25×0.6~2.0 ; 30×30×0.6~4.0 ; 34×34×1.0~2.0 ; 35×35×1.0~4.0 ; 38×38×1.0~4.0 ; 40×40×1.0~4.5 ; 44×44×1.0~4.5 ; 45×45×1.0~5.0 ; 50×50×1.0~5.0 ;…

Special-shaped Steel Pipe Galvanized Steel Pipe Welded Steel Pipe Carbon Steel Pipe