Rectangular pipe 1)seamless rectangular pipe Specifications: 50 * 30-600 * 200mm, thickness 3.5-30mm 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 Seamless square pipe / rectangular pipe 1)specifications: 30 * 30-600 * 600mm, wall thickness 3.5-30mm 50 * 30-600 * 200mm, 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 Steel belt pack or nylon pack