稀士合金纯铁,电磁锁用纯铁CR590T/340YDP B410/780DPD+Z车冼纯铁 590DP B340 B340SL 武钢纯铁 马达用纯铁,磁造机用纯铁S350GD+ZF S550GD+Z车冼纯铁,S550GD+ZF, 纯铁段材,纯铁块,电磁纯铁SCGA270C SCGA270D SCGA270E SP782BQ电磁刹车用纯铁SP783BQ SP781BQ SP783BJQ武钢纯铁 马达用纯铁,磁造机用纯铁SP783AJQ SP784AQU SP785-340AMQ软铁,超低碳纯铁,不锈钢冶炼用纯铁CR1 CR2 CR3 CR4 CR5 JAC270C