A wrought aluminum-silicon-copper alloy used for valve seats and stems, marine hardware, pole line hardware, bushings and bearings, cams, bolts and nuts, valve bodies and similar components.

• Ampco 642是一种加工铝-硅青铜合金,适用于阀座,阀杆,海运五金件,电杆用器件,轴衬,轴承,凸轮,螺栓螺母,阀体及类似零部件。