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Krishna Copper Private Limited

Home  »  Other Copper Alloys »  Cadmium Copper

Krishna Copper Private Limited

Cadmium Copper

Available Grade:
C16200 (CDA 162), SAE J461



C16200 Cadmium Copper alloy offers a unique combination of high tensile strength and high electrical conductivity for an industry where these properties are generally considered incompatible. The nominal composition of 99.0% copper and 1.0% cadmium can lead to these unique properties.

Applications:
Resistance Welding Electrodes, Circuit Breaker Switches, Stud Bases for Power Transmitters, Electrical Conductor Material, Rod Extensions, Pencil-type, Light Soldering Guns, Tips, Connectors, Solder less Wrapped, Welding Wheels, Trolley Wires.

Chemical Composition :
Element Cu Cd Fe
Content (%) Rem 0.70% - 1.20 % 0.02 % Max

Fabrication properties
FORGING Good
EXTRUSION Good
HOT ROLL Good
COLD ROLL Excellent



Available Forms:
Rods, Ingots

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Krishna Copper Private Limited

Leaded Berrylium Copper

Available Grade:
C17300 (CDA 173), C19140, C19160, C79200, C79300.,  ASTM B196, QQ-C-530, ASTM B197, QQ-C-530 , ASTM B194, DIN 2.1248, CW102C to EN



The Leaded Beryllium Copper is identical to a version of lead-containing alloy. IT achieves the same exceptional strength after hardening. THIS rods contain a small amount of lead to provide an alloy tailored for automatic machining operations and the Lead promotes formation of finely divided chips thus extending cutting tool life.


Applications:
Contact Bridges, Electrical Switch and Relay Blades, Electric Motor Components, Navigational Instruments, Clips, Electrical Connectors, Connectors, Relay Parts, Switch Parts, Fuse Clips, Washers, Screws, Bolts, Retaining Rings, Roll Pins, Lock Washers, Fasteners, Shafts, Pump Parts, Valves, Non Sparking Safety Tools, Flexible Metal Hose, Bushings, Rolling Mill Parts, Electrochemical Springs, Pumps, Shafts, Springs, Bellows, Welding Equipment, Diaphragms, Bourdon Tubing.


Chemical Composition :
Element Cu Al Be Pb Si Co
Content (%) Rem 0.2 % 1.8 %-2.0% 0.20 %-0.6% 0.20% 0.20%


Available Forms:
Rods, Ingots

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Krishna Copper Private Limited

Chromium Copper

Available Grade:
C18000, C 18150, C 18200, CDA 180



RWMA Class III

CHROMIUM COPPER IS Economical high strength, high conductivity copper base alloy. It is a heat treatable copper base alloy and its excellent properties are obtained largely through heat treatment. Its properties combine high hardness, strength and wear resistance with relatively high electrical and thermal conductivity.


Applications:
Resistance Welding Tips, Resistance Welding Wheels and Fixtures, Stud Welding Collets and Tips, Bushing, Cavities for Injection Molds, Hot runner Systems for Injection Molds, Welding Dies for Wire and Flash, Blow Pins, Pinch Offs, Mold Cavities for Bold Molds, Blow Pins, Pinch Offs, Mold Cavities for Bold Molds, Cores, Core & Ejector Pins for Injection Molds, Plunger Tips for Metal Die Casting Machines, Heat Sink Inserts in Steel Plastic Molds


Chemical Composition :
Copper Chromium
99.1 % MINIMUM 0.9 %
Alloy Cu% Fe% Ni% Cr% Si% Zr% Pb
C 18000 Rem 0.15% Max 2-3% 0.1-0.6% 0.4-0.8% 0.05-0.25 -
C 18150 Rem - - 0.5-1.5% - - -
C 18200 Rem 0.1 Max - 0.6-1.2% 0.1Max - 0.05Max
Fabrication properties
FORGING Good
EXTRUSION Good
HOT ROLL Good
COLD ROLL Excellent



Available Forms:
Rods, Ingots

Yes! I am Interested

Krishna Copper Private Limited

Copper Chromium Zirconium (Cucrzr)

Available Grade:
RWMA Class II


Used extensively for cap style resistance welding electrodes. Evidence suggests that it can provide less sticking and resist deformation longer than its copper-chrome counterpart in some specific situations.


Applications:
Pencil-type & Light Soldering Guns: Tips, Rod Extensions, Resistance Welding Electrodes, Welding Electrodes, Welding Wheels, Tips and Rod Extensions.


Chemical Composition :
Copper Rem
Chromium 0.5-1.2%
Zirconium 0.03-0.30%
Total Others 0.2% max

Fabrication properties
FORGING Good
EXTRUSION Good
HOT ROLL Good
COLD ROLL Excellent



Available Forms:
Rods, Ingots & Billets For Extrusion/Forging

Yes! I am Interested

Krishna Copper Private Limited

Tellurium Copper

Available Grade:
ASTM B301, C14500



C14500 Tellurium copper round rod. C145 Tellurium is adapted for use in high-speed automatic screw machines. The copper telluride precipitations become finely dispersed throughout the matrix and assist in chip breakage into short pieces, thus enabling a much higher machining speed than with pure copper. Copper 145 Tellurium has a machinability rating scale of 85%, compared to pure copper of 20%, thus insuring longer tool life. The high conductivity of tellurium copper makes it a suitable material for electrical applications, and is an outstanding alloy for the production of hot forged products.


Applications:
Transistor Bases, Motor Parts, Electrical Connectors, Switch Parts, Welding Torch Tips, Soldering Tips, Screw Machine Products, Forgings , Plumbing Fittings, Sprinkler Heads, Fixtures, EDM Anodes, Tool Making Parts, Dies /Welding Torch tips / Transformer & Circuit-breaker terminals Fasteners


Chemical Composition :
Copper (incl. Silver) Phosphorus Tellurium
99.7 .008 .55

Good FAIR NOT RECOMMENDED
FORGING Good
EXTRUSION Good
HOT ROLL Good
COLD ROLL Good



Available Forms:
Rods

Yes! I am Interested

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