... Application:Widely used in electricity, petrochemical, chemical industry, metallurgy, machines, modeling, port, marine engineering, construction, papermaking, medicine, ... 32x5, 40x5, 50x5, 65x5, 75x6, 75x10---100x10mm etcI bar: 25x5x3, 30x5x3, 32x5x3, 40x5x3 etcUS standard: 1''x3/ ... coating 6Grating StylePlain / Smooth, Serrated /teeth, I bar, serrated I bar 7StandardChina: YB/T 4001.1-2007, USA: ...