C18500 Chromium Zirconium Copper | | Conductive Hardness- SCALE STEEL.

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 [SCALE 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 [SCALE 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 [SCALE 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:[SCALE 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 [SCALE 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[SCALE STEEL] can not be reduced by more than 15% compared with the original hardness after cooling