C17300 beryllium copper | good car beryllium copper | beryllium copper manufacturers of copper and aluminum materials plant in Shenzhen Bao [Tel 0755-23005022 0755-23005933 Fax phone 13713538387 QQ205196919] professional production of phosphor bronze rods, phosphor bronze wire, phosphor brass, beryllium copper, beryllium copper, beryllium brass, copper and other profiled. From technology level to device level are all equipped with the domestic industry to conduct cases, the factory passed ISO9001: 2000 quality management system certification and ISO14000 environmental certification, the products meet JIS, GB, ASTM, DIN, ISO standards, can reach SGS green environmental certification standards, in line with RHOS directive. Beryllium alloy ,, physical mechanics, good chemical overall performance of an alloy, beryllium materials hardening after quenching and tempering, with high strength, elasticity, abrasion resistance, fatigue resistance and heat resistance, while beryllium copper has high electrical conductivity, thermal resistance, cold resistance and non-magnetic, beryllium copper material carom when no spark, beryllium easy welding and brazing, excellent corrosion resistance in the atmosphere, fresh water and sea water, beryllium copper alloy a rare alloys. Beryllium metal contacts can make electronic connectors, the production of switch contacts, making important key components, such as membrane disc, diaphragm, bellows, spring washers, micro-motor brush and commutator, electrical connector , switches, contacts, watch parts, audio components, such as chemical composition Be Ti Ni Cu Fe Al Si Pb sum QBe2.0 1.8-2.1 / 0.2-0.25 margin 0.15 0.15 0.15 0.005 0.5 QBe1.9 1.85-2.10 0.1-0.25 0.2-0.4 margin 0.15 0.15 0.15 0.005 0.5 CuBe2 1.8-2.0 Co≤0.20 Ni + Co + Fe≤0.6 CuBe1.0 0.40-0.70 Co: 2.35-2.70 Cu + Be + Ni + Co≥99.5 CuBe7 0.2-0.4 Co + Ni: 1.8-2.5 Cu + Be + Ni + Co≥99.0 physical characteristic properties \ alloy QBe2.0 CuBe10 CuBe7 Density g / cm at 20 ℃ 8.26 8.75 8.75 coefficient of thermal expansion at20-300 ℃ 1.78x10 -5 1.76x10 -5 1.75x10 -5 specific heat Cal / g ℃ at 20 ℃ 0.1 0.1 0.1 electricity rate% IACS at 20 ℃ 22 48 38 Young's modulus LME MPa 130000 135000 127000 elastic modulus TME MPa 50000 52500 49000 Thermal conductivity Cal / cm sec ℃ at 20 ℃ 0.2-0.31 0.40-0.62 0.40-0.60 company to "quality brand" for the purpose of continuous innovation, and pursuing a "good faith to create satisfaction" business philosophy and "humane, professional" principle of service to meet customer demand for centers that provide convenience for the purpose of customers, and sincerely good service. Wanbao Copper will welcome old customers to visit, I sincerely hope that the service gives you satisfaction. Also hope to establish friendly and around the world, and mutually beneficial partnership.