Size(mm): From 20X20X2 to 180X180X16. Steel Grade:JIS:SS330,SS400,YAW-TEN50 / ASTM:1010,1017,1020,Gr-E / DIN:S185,St37-2,S355N (1) SIZE AND UNIT WEIGHT SIZE(b×b×d)(mm)UNITWEIGHT(Kg/m) SIZE(b×b×d)(mm)UNITWEIGHT(Kg/m) SIZE(b×b×d)(mm)UNITWEIGHT(Kg/m)20X20X20.60850X50X32.33270X70X99.34825X25X31.12450X50X75.15375X75X89.03025X25X41.45950X50X85.82675X75X910.08530X30X52.19256X56X54.25180X80X78. ...