... Model AC140 is mainly used to cut the flange of angle by a mechanical pressing machine 1. Main Function: Mechanical Notching ... Model AC140 is mainly used to cut the flange of angle by a mechanical pressing machine, with easy operation, high cutting ... (Q235-A, σb≈410MPa) 140x140x12(16Mn, σb≈600MPa) to cut right angle: 100x100x12(Q235-A, σb≈410MPa)