Application of C18150 Chromium Zirconium Copper

C18150 chromium zirconium copper has high strength and hardness, electrical and thermal conductivity, good wear resistance and wear reduction. After timely treatment, the hardness, strength, electrical and thermal conductivity are significantly improved, and it is easy to weld. It is widely used in motor commutators, spot welding machines, seam welding machines, welding machine electrodes and other parts with high temperature requirements of strength, hardness, conductivity, and guide pad properties. The production of EDM electrode can erode the ideal mirror surface, has good upright performance, can achieve the effect that is difficult to achieve with pure red copper such as thin slices, and performs well on difficult-to-machine materials such as tungsten steel. C18150 chromium zirconium copper rod has high strength and hardness, good electrical and thermal conductivity, good wear resistance and friction reduction; chromium zirconium copper (CuCrZr) chemical composition (mass fraction)% (Cr: 0.1-0.8, Zr: 0.3- 0.6) Hardness (HRB78-83) 50℃.
It has good electrical conductivity, thermal conductivity, high hardness, wear resistance, explosion resistance, high crack resistance and softening temperature. When welding, the electrode loss is small, the welding speed is fast, and the total welding cost is low. It is suitable for welding machine electrode related pipe fittings.
At 400°C, it has high strength and hardness, good electrical and thermal conductivity, and good wear resistance and friction reduction. After timely hardening treatment, the strength, hardness, electrical conductivity and thermal conductivity are significantly improved; it is easy to weld and fiber weld, has good corrosion resistance in the atmosphere and fresh water, good high temperature oxidation resistance, and can withstand cold and hot pressure treatment.

Chromium zirconium copper has good electrical conductivity, thermal conductivity, high hardness, wear resistance, explosion resistance, crack resistance and softening temperature, small electrode loss during welding, fast welding speed, low total welding cost, suitable for welding machine electrodes Related pipe fittings, but the performance of electroplated workpieces is general. This product is widely used in welding, contact tips, switch joints, mold blocks, welding machine auxiliary devices and other machinery manufacturing industries.

Quality requirements

1. Use an eddy current conductivity meter to measure the conductivity, and take the average value of three measurement points ≥ 44MS/M.

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

3. In the softening temperature test, after the furnace temperature is kept at 550 ℃ for two hours, the hardness cannot be reduced by more than 15% compared with the original hardness after quenching water cooling.

physical index

Hardness: >75HRB, conductivity: >75%IACS, softening temperature: 550℃.

Through the combination of heat treatment and cold treatment, chromium zirconium copper can obtain the best mechanical and physical properties, so it is used for general resistance welding electrodes, mainly for spot welding or seam welding of mild steel and mild steel.

Grip, shaft and pad material, or as electrode grip, shaft and pad material when welding mild steel, or as large dies, jigs, stainless and heat resistant steel dies or inlay electrodes for projection welders. EDM electrode, chrome copper has good thermal conductivity, high hardness, wear resistance and explosion resistance.

Chromium copper has the characteristics of electrical conductivity, hardness, wear resistance, explosion resistance, and the price is better than beryllium copper mold materials, and has begun to replace beryllium copper as the general mold material in the mold industry. For example, shoe sole molds, water heating molds, general requirements for smooth and high plastic molds, etc. connectors, wires and other products that require high-strength wires.

High strength and hardness, good electrical and thermal conductivity, good wear resistance and wear reduction, after aging treatment, the hardness, strength, electrical conductivity and thermal conductivity are significantly improved, and it is easy to weld. Widely used in motor commutators, spot welders, seam welders, welding machine electrodes and other high temperature requirements of strength, hardness, conductivity and guide pad components. The production of EDM electrodes can erode the ideal mirror surface, and has good erection performance.


Post time: Apr-20-2022