常用材料的声速值材料in/usm/s铝0.2506305铋0.0862184黄铜0.1734394钙0.1092769铸铁0.18(apprx)4572康铜0.2065232紫铜0.1844674环氧树脂0.100（apprx）2540白铜0.1874750玻璃0.2235664火石玻璃0.1684267金0.1283251冰0.1573988铁0.2325893铅0.0852159镁0.2285791汞0.0571448镍0.2225639尼龙0.102(apprx)2591石蜡0.0872210铂0.1563962有机玻璃0.1062692聚苯乙烯0.0922337陶瓷0.230(apprx)5842PVC0.0942388石英玻璃0.2225639硫化橡胶0.0912311银0.1423607普通钢0.2335918不锈钢0.2235664斯太立硬质合金0.275(apprx)6985聚四氟乙烯0.0651422锡0.1313327钛0.246096钨0.2105334锌0.1664216水0.1581473