铍铜 QBe2 QBe1.9-0.1 QBe1.9
铝黄铜 HAi60-1-1 ..
铝黄铜 C6872 C6..
铍铜 C17300 C1..
铍铜 QBe0.6-6.2..
铍铜 QBe2 QBe1..
磷脱氧铜 2.0076 ..