คำศัพท์ภาษาอังกฤษ
Beryllium Copper
แปลว่า(english) An alloy of copper and 2-3% beryllium with optionally fractional percentages of nickel or cobalt. Alloys of this series show remarkable age-hardening properties and an ultimate hardness of about 400 Brinell (Rockwell C43). Because of such hardness and good electrical conductivity, beryllium-copper is used in electrical switches, springs, etc.
คำศัพท์ช่างภาษาอังกฤษ - ไทยที่คล้ายกัน
beryllium blue stone copper copper lead copper pipe copper plate copper ring copper steel copper sulphate hard-drawn copper nickel copper soldering copper
