1.OD: 100*50*2.0mm 2.WT: 0.8 - 3.0mm 3.Steel Grade: Q195-Q345, SPCC, ST12,ST37 ... Pipe/Tube 1.OD: 100*50*2.0mm 2/WT: 0.8 - 3.0mm 3/Steel Grade: Q195-Q345, spcc, st12, ss400 ... *40; 80*25; 65*25; 60*30;50*25; 46*23; 40*15; 30*15 ,100*50,101.6*50 ... .8,80*30;75*30;70*35WT:0.5-6.0mmSurface:straight with lightly oiledColor ...