Copper Alloys for RWMA Applications
National Bronze & Metals, Inc. has huge inventories of RWMA alloys available in diameter bars, squares, coil, hex, and plate. We also have abundant inventories of C11000 - EPT Copper, and C14500 - Tellurium Copper. Both are available in rounds, hex, and rectangles.
RWMA Material Classes
CLASS 1: Caps, Tips, Welding Wheels
CLASS 2: Electrodes, Caps, Tips, Wheels
CLASS 3: Welding Arms, Extensions, Welding Dies
CLASS 4: Welding Dies, Welding Inserts
C15000 - Zirconium Copper
[RWMA CLASS 1]
conductivity (min.)......80% IACS
hardness (min.)............Rb 65
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C18200 - Chromium Copper
C18150 - Chromium Zirconium Copper
[RWMA CLASS 2]
conductivity (min.)......75% IACS
hardness (min.)............Rb 75
Get More Information on C18200.
Get More Information on C18150.
C17500 - Beryllium Copper (CO)
C17510 - Beryllium Copper (NI)
C18000 - Beryllium Free
[RWMA CLASS 3]
conductivity (min.)......45% IACS
hardness (min.)............Rb 90
Get More Information on C17500.
Get More Information on C17510.
Get More Information on C18000.
C17200 - Beryllium Copper
[RWMA CLASS 4]
conductivity (min.)......20% IACS
hardness (min.)............Rc 38
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Featured Alloys
Rolled Sheet & Plate
available from stock
NBM is excited to announce the addition of significantly large inventories in brass, bronze, and copper alloy sheet and plate. The new inventory has been accompanied by a new state-of-the-art plate saw to service customer cut to size orders… Learn More.
C10100 Oxygen Free Copper
C11000 ETP Copper
C18150 Copper Chromium Zirconium
C18200 Chromium Copper
C26000 Cartridge Brass
C46400 Naval Brass
C61400 Aluminum Bronze
C63000 Nickel Aluminum Bronze
C65500 Silicon Bronze
Industry Spotlight
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