PRODUCT DESCRIPTION
CUBERYLLIUM Brand Qbe2 0.15mmx250mm БрБ2 Strip for Spring by gost standard.
CUBERYLLIUM® manufactures copper beryllium in several distinct compositions. These fall into two categories: alloys selected for high strength (Alloys 172,173,170) and alloys selected for high conductivity (Alloys 751,750,741). And Gost standard QBe2,QBe1.9Ti(БрБ2;БрБНТ1.9) for Russia Market. Also Supply Master alloy : CuBeryllium-200; CuBeryllium-275);CuBeryllium-350 and Cuberyllium-400 to global factory.
Chemical Composition of Qbe2.0 Beryllium Copper Alloy:
CUBERYLLIUM® Brand
Gost-
Number
Beryllium Al Ni Fe Cu Si
Cuberyllium-Qbe2 Qbe2 1.80-2.10 0.15 max 0.2~0.5
0.15
max
Rest.
0.15
max
Typical Physical Properties:
Density (g/cm3): 8.36
Density before age hardening (g/cm3): 8.25
Elastic Modulus (kg/mm2 (103)): 13.40
Thermal Expansion Coefficient (20 °C to 200 °C m/m/°C): 17 x 10-6
Thermal Conductivity (cal/(cm-s-°C)): 0.25
Melting Range (°C): 870-980
Typical Characteristics of QBe2.0 Beryllium Copper Alloy:
After quenching and tempering, Qbe2.0 has high strength, hardness, elasticity, wear resistance, fatigue limit and heat resistance;
It also has high electrical conductivity, thermal conductivity and cold resistance, non-magnetic, no sparks when impacted;
Easy to weld and fiber weld, excellent corrosion resistance in the atmosphere, fresh water and sea water.