... rolled steel C-beams: Standard: AISI, ASTM, BS, DIN, GB, JIS Grade: Q235B,SS400,S235JR Application: Frame Part Standard: AISI, ASTM, BS, ... DIN, GB, JISGrade: Q235B,SS400,S235JRPlace of Origin: Tianjin China ... terms: TT or LC 4)Delivery date: 30 days GB STANDARD HOT ROLLED ALLOY C-CHANNEL STEEL BEAMSIZE (MM)THEORETICAL WEIGHT ...