C18150 RWMA
C18150 RWMA CHROMIUM COPPER ALLOYS
C18150 RWMA CHROMIUM COPPER ALLOYS
C18150 RWMA Class 2 Chromium Copper Alloys is specialized for Spot welding electrodes - Resistance seam welding wheels - Plastic injection molds. Chromium Copper C18150 has high heat resistance, thermal wear resistance and high hardness.
| Material: | C18200 RWMA Class 2 Chromium Copper Alloys |
| Origin: | EU - G7 |
| Stock Items: | Seam welding wheels - Rod bars - Plates |
| Distributor: | Kojako Việt Nam |
Thông tin chi tiết
OVERVIEW OF C18150 RWMA CLASS 2 CHROMIUM COPPER ALLOYS
Chromium copper alloys C18150 RWMA is a high conductivity, high strength copper alloyed with chromium. C18150 RWMA Chromium Copper Alloys is heat treatable, and resists softening in service up to temperatures of 500°C. Chromium copper C18150 is used for spot and seam welding electrodes, plastic mould components and other applications requiring excellent electrical and thermal conductivity and high strength and wear resistance at high temperatures.
C18150 RWMA Chromium Copper Alloy
Kojako Vietnam now is a leading supplier for C18150, C18200 is heat treated to high strength, and requires no further heat treatment. It meets the requirements of RWMA (Resistance Welder Manufacturers Association) Group A, Class 2.
C18150 RWMA Chromium Copper Alloys when used for spot and seam welding electrodes can provide less sticking and resists deformation longer than copper-chromium (C18200) in some specific situations. C18150 Chromium Zirconium Copper can be used instead of C18200 in any structural or current carrying application.
C18150 Resistance Seam Welding Wheels
C18150 RWMA Chromium Copper Alloys can be used to spot weld and seam weld for cold rolled steel, hot rolled steel, nickel plated steel, zinc and zinc-aluminium coated steel (galvanised and zincalume), nickel alloys, Monel, nickel silver and stainless steel.
PROPERTIES OF C18150 RWMA CLASS 2 CHROMIUM COPPER ALLOYS
| Chemical Properties |
Mechanical Properties |
|||||
| Copper (Cu) | Chromium (Cr) | Zirconium (Zr) | Hardness (HRB) | Tensile Strength (MPa) |
Yield Strength (Mpa) |
Elongation |
| 98 ~ 99% | 0.5 ~ 1.5% | 0.05 ~ 0.25% | 73 ~ 82 | max. 565 | max. 579 | min. 13% |
|
Physical Properties |
Metric Units | Imperial Units |
| Melting Point (Liquidus) | 1080°C | 1976°F |
| Melting Point (Solidus) | 1070°C | 1958°F |
| Density | 8.89 gm/cm³ @ 20°C | 0.321 lb/in³ @ 68°F |
| Specific Gravity | 8.89 | 8.89 |
| Coefficient of Thermal Expansion | 16.45 x 10 -6 / °C (20-300°C) | 9.5 x 10 -6 / °F (68-392°F) |
| Themal Conductivity | 323.9 W/m. °K @ 20°C | 187.0 BTU/ft²/ft/hr/°F @ 68°F |
| Electrical Conductivity | 0.464 MegaSiemens/cm @ 20°C | 80% IACS@ 68°F |
| Modulus of Elasticity (tension) | 117,200 MPa | 17,000ksi |
C18150 Chromium Copper Rod Bars
APPLICATION OF C18150 RWMA CLASS 2 CHROMIUM COPPER ALLOYS
C18150 RWMA Class 2 - Chromium copper alloys has excellent cold form-ability and good hot work-ability. C18150 is used in applications such as:
- Resistance welding electrodes and seam welding wheels
- Resistance spot welding tips
- Switch gears and cable connectors, circuit breaker parts
- Electrical and thermal conductors that require strength
- Plastic molds
C18150 Spot Welding Electrodes
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