CuSn7Zn4Pb7 copper alloy

CuSn7Zn4Pb7 phosphor bronze copper alloy has a higher corrosion resistance, abrasion resistance, impact spark does not occur. For medium-speed, heavy-duty bearings, maximum working temperature of 250 ℃. With self-aligning, insensitive to skew the bearing force uniform high capacity, at the same time by the radial load, self-lubricating no maintenance characteristics. Phosphor Bronze is an alloy of copper, with good electrical properties, easy to heat, to ensure safety at the same time have a strong resistance to fatigue. Jack hardwired electrical configuration of phosphor bronze, non-rivet connection or friction contacts can ensure good contact, good elasticity, pluggable stable. The alloy has good machinability and chip formation properties, can quickly short part time. [1] The harmonica is also used as a phosphor bronze gongs materials. Chinese QSn10-1, QSn6.5-0.1, QSn7-0.2, QSn8-0.3, QSn4-0.3, QSn4-3 international CuSn4, CuSn5, CuSn6, CuSn8 .... Japan C5101, C5101, C5101, C5101 .... USA C51100, C51000, C51900, C51010 .... Europe CW450K, CW451K, CW452K, CW453K ... QAl9-4 aluminum bronze rods: the Chinese brand for QAl9-4 bronze extruded or drawn bars, the corresponding US designation C62300. QAl9-4 aluminum bronze tin content of 0.1%; zinc content of about 1.0%; about 0.01% Pb; phosphorus content of about 0.01%; aluminum content of about 8.0 to 10.0%; Fe content of about: 2.0 to 4.0% ; manganese content of about 0.5%; Si content of about 0.1%; from about 0.5% Ni; 1.7% of impurities; balance copper content. Aluminum bronze aluminum content is generally 8.0 to 10.0%, it can be divided into ordinary (simple) aluminum bronze and special (complex) aluminum bronze. Ordinary aluminum bronze refers only aluminum-containing copper - aluminum binary alloy, special aluminum bronze refers to the addition of aluminum as well as multi-alloy of iron, nickel, manganese, silicon and other elements, which are designed to further improve performance. Wrought copper and copper alloy Chinese national standard aluminum bronze alloy total of nine grades, they are QAl5, QAl7, QAl9-2, QAl9-4, QAl9-5-1-1, QAl10-3-1.5, QAl0-4-4 , QAl0-5-5, QAl11-6-6. Ordinary aluminum bronze can be heat strengthened, its strength than tin bronze, high temperature oxidation resistance is also good. Special aluminum bronze has high strength and wear resistance after quenching and tempering can enhance hardness, good corrosion resistance and high temperature oxidation resistance in the atmosphere, freshwater and seawater corrosion resistance good machinability still, it can not easily brazed welding, hot working well under pressure. Copper and copper alloys depending on the uses to be processed into sheet, strip, foil, pipe, bar, wire, rod, heterosexual copper and bronze pieces, QAl9-4 aluminum bronze rods belong copper rod; That circular cross section copper bar or heterosexual solid wood processing. Geometric shape into a round bar and rod opposite sex. According to mode of production into the extruded rod and drawn bars. Hard press performance is divided into rods and hot rods. Press alloy name into copper rods, copper and other alloys.