C18200 CuCr1 Copper Blade Plate Specification
UNS/CDA UNS C18200, CDA 182
ASTM B196, B251, B643
AMS 4533,4534,4535,4650, 4651
Name beryllium copper C17200
QQ/ML QQ-C-530, SAEJ 461,463
RWMA Class4
DIN 2.1247, CW101C, CuBe2
Used Industry
Chemical Composition
Be: 1.80-2.00%
Co+Ni: 0.20% Min.
Co+Ni+Fe: 0.60% Max.
Cu: Balance
Note: Copper plus additions equal 99.5% minimum.
CuCr1 – UNS.C18200 Chromium Copper is a heat treatable copper alloy offering good electrical conductivity, resistance to softening at elevated temperatures and good strength and hardness. This combination of properties makes C18200 one of the preferred resistance welding electrode materials for a variety of applications. Nominally composed of 99.1% copper and 0.9% chromium, this heat treatable alloy can be brought to its softest condition by annealing it at 1000°C (1850°F) for one-half hour at temperature, then rapidly quenching it in water. In this annealed condition, the alloy is ductile and easily formed, and has an electrical conductivity of about 40% IACS. Chromium Zirconium DIN2.1293 Copper Blade UNS.C18200 CuCr Copper Block Plates
Typical Application for UNS.C18200 Chromium Copper Alloys:
Electrical Industry: Cable, Connector, Thermal Conductors, Switch Gears, Electrical Connector, Circuit Breaker Parts, Switch Contacts, Electric Motor and Generator Components, Parts for electronic Devices
Consumer: Rod Extensions, Pencil-type, Light Soldering Guns, Tips
Industrial: Resistance Welding Machine Electrodes, Resistance Welding Equipment, Plastic Mold Components, Flash Welding Electrodes, Electrode Holder Jaws, Seam Welding Wheels, Wear Plates on Heavy Equipment, Heat Sinks, Spot Welding Tips, Molds
Application
Typical Application for C17200 Beryllium Copper Alloys, C18150 Chromium Zirconium Copper Rectangular Bars
Electrical Industry: Electrical Switch and Relay Blades, Fuse Clips, Switch Parts, Relay parts, Connectors, Spring Connectors, Contact Bridges, Belleville Washers, Navigational Instruments, Clips Fasteners: Washers, Fasteners, Lock Washers, Retaining Rings, Roll Pins, Screws, Bolts Industrial: Pumps, Springs, Electrochemical, Shafts, Non Sparking Safety Tools, Flexible Metal Hose, Housings for Instruments, Bearings, Bushings, Valve Seats, Valve Stems, Diaphragms, Springs, Welding Equipment, Rolling Mill Parts, Spline Shafts, Pump Parts, Valves, Bourdon Tubes, Wear Plates on Heavy Equipment, Bellows
International Specification:
Rods/Bars/Plates/Sheets: UNS.C18000, CDA180, RWMA Class 3
European Standards: CuCrNi2Si, DIN 2.0855, CW111C to EN
Note: ASTM: American Society for Testing and Materials RWMA: Resistance Welder Manufacturers’ Association Note: Unless otherwise specified, material will be produced to DIN & RWMA. Copper Pipe Plumbing Water Piping C17200, Chromium Cu Copper Flat Bar Plates
Mechanical Properties:
The detailed Mechanical Properties will be available on request from customers. CuCrZr DIN 2.1293 Chromium Zirconium Copper Rods
Most Commonly Temper Used:
Rods/Bars/Tubes: AT(TF00), HT (TH04) Plates: AT(TF00), HT(TH04)
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