铍青铜分为两大类。依合金成分而分,铍含量为0.2%~0.6%的是高导(电、热)铍青铜;铍含量为1.6%~2.0%的是高强铍青铜。依制造成形工艺,又可分为铸造铍青铜和变形铍青铜。国际上通用的铍青铜合***号以C为首。变形铍青铜有C17000、C17200(高强铍青铜)和C17500(高导铍青铜)两大类。与之相对应的铸造铍青铜则有C82000、C82200 (高导铸造铍铜)和C82400,C82500,C82600,C82800(高强耐磨铸造铍铜)。***大的铍铜合金生产厂家为美国的Brush Wellman公司,其企业标准与国际标准对应,具有一定的***性。中国生产铍青铜的历史几乎与前苏联、美国等国同步,但列入***标准的牌号只有高强度铍青铜QBe1.9、QBe2.0、QBe1.7。其他高导铍青铜或铸造铍青铜,根据石油工业和国防工业发展的需求已投入规模生产。
长期供应美国铜合金有:C36050, C51000, C51100,
C51900,C52100, C52400, C53400, C54400, ***2500,C67420, C70400 C71520 C71640,
C70600, C70620 C71000, C71500, C72200, C72400 C72500 C72650 C72950 C72700
C72800, C72900 C73500, C74300, C74400,C74000, C74500, C75200, C75400,C75700,C76200,
C76040, C76400 C76000 C76200C77000, C79200, C77400 C7451
C7521,C7541 C7701, C80100 C80410 C81100 C81200 C81400 C82000 C82200 C82400
C82500 C82510 C82600 C82800 C83450 C83600 C83810 C84400,C83800 C84800 C84500 C85200 C85400C85500
C85700 C85800 C86200 C86100 C86300 C86400 C86500 C86700 C86800
C83600 C87300 C87400 C87500 C87610 C87800 C89320 C89520 C89844 C69300
C24750 C18660 C190 C19000 C19200 C14700 C14500 C24750 C27540 C2601 C2602 C2603 C2604
C2605 C2606 C3601 C3602 C3603 C3604 C3605 C3606 C3607 C3608 C2680 C2600 C2100
C70265 C90300 C90500 C95700 C95800 C95200 C90700
