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Contact SupplierWe are offering square steel tube, square hollow section, square profiles.
1)specifications:
30 * 30-600 * 600mm,wall thickness 3.5-30mm
2)implementation of the standards:
en10210 \ en10219: s235jrh \ s275j2h \ s355joh \ s355j2h
astm a500: a \ b \ c \ d
jis g3466 stkr: 400 \ 490
gb/t3094-2012: 20 # \ q345b \ q345d
welded square pipe
1)specifications:
30 * 30-800 * 800mm, thickness 2.5-30mm
50 * 30-800 * 300mm, thickness 2.5-30mm
2)implementation of the standards:
en10210 \ en10219: s235jrh \ s275j2h \ s355joh \ s355j2h
astm a500: a \ b \ c \ d
jis g3466 stkr: 400 \ 490
gb/t6728-2012 \ gb/t3094-2012: q235b \ q345b \ q345d.