Chromium zirconium bronze one, has good electrical conductivity, thermal conductivity, high hardness, wear resistance and explosion resistance, crack resistance and high softening temperature, welding electrode loss is less, welding [TJC STEEL]speed is fast, the total welding cost is low, suitable for welding welding machine electrode related pipe fittings, but the electroplating workpiece performance is general.

 

Chromium-zirconium copper is a kind of wear-resistant copper, especially good hardness, excellent conductivity and good tempering resistance, good upright, thin sheet is not easy to bend, is a good material processing electrode. Density 8.95g/cm3 conductivity 43MS/m softening temperature 550℃, generally used for making working [TJC STEEL]temperature below 350℃ welding machine electrode. Motor rectifiers and other kinds of high temperature operation \ require high strength. Hardness. Electrical conductivity and conductive parts, and may also be used in bimetallic form for brake discs and discs.

 

Its main brands are; CuCrlZr, ASTM C18150 C18200 c18500

 

Application: This product is widely used in automobile, motorcycle, barrel (tank) and other machinery manufacturing industry welding, conductive [TJC STEEL]nozzle, switch contact, mold block, welding machine auxiliary devices for various materials.

 

Chemical Composition:

 

Al: 0.1-0.25,

Mg: 0.1-0.25,

Cr: 0.65,

Zr:0.65,

Fe:0.05,

Si: 0.05,

P: 0.01,

Total Impurities: 0.2

 

Physical Indicators:[TJC STEEL]

 

Hardness: >75HRB,

Conductivity: >75%IACS,

Softening temperature: 550℃

The tensile strength is (δb/MPa) : 540-640

 

Quality requirements:

1. Eddy current conductance meter is used for conductivity [TJC STEEL]measurement, and the average value of three points is ≥44MS/M

2. The hardness is based on Rockwell hardness standard, and the average value of three points is ≥78HRB

3. Softening temperature experiment: after the furnace temperature is kept at 550℃ for two hours, the hardness of quenched water[TJC STEEL] can not be reduced by more than 15% compared with the original hardness after cooling