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CuCr1Zr - UNS.C18150 Chromium Zirconium Copper C18150 is an excellent and unique copper alloy with high electrical conductivity, hardness, and ductility, moderate strength, and excellent resistance to softening at elevated temperatures. The addition of 0.1% zirconium (Zr) and 1.0% chromium (Cr) to copper results in a heat treatable alloy which may be solution treated and subsequently aged to produce these desirable properties. Rod is usually supplied from the mill in the fully aged and drawn condition so no further heat treatment is required by the fabricator. The softening temperature of properly heat treated C18150 rod exceeds 500°C as compared to unalloyed pure copper which softens at 200°C, and silver bearing coppers which soften at 350°C.
Furthermore, many evidences shows that C18150 can provide less sticking and resisting deformation longer than its C18200 counterpart in some specific situatons.
Typical Application for C18150 Chromium Zirconium Copper Alloys:
Electrical Industry: Resistance Welding Electrodes, Circuit Breaker Switches
Consumer: Rod Extensions, Pencil-type, Light Soldering Guns, Tips
Industrial: Welding Wheels, Tips and Rod extensions for resistance seam and spot welding
Available Sizes:
Custom Diameter & Sizes, Random Mill lengths
Available Products (forms):
Round bars, Flat bars, Square bars, Rectangular bars, Hexagon bars, Plates
Custom shapes are available upon request.
CDA Alloy No. | C10100 | C10200 | C11000 | C15000 | C17200 | C26000 | C51000 |
Alloy | Certified | OFHC | ETP | Zirconium | Beryllium | Cartridge | Phosphor |
Name | |||||||
Chemical Composition | 99.99 Cu (Min.) | 99.95 Cu (Min.) | 99.90 Cu (Min.) | 98.95 Cu | 98.1 Cu | 70 Cu | 94.8 Cu |
(%) | .04 O | .15 Zr | 1.9 Be | 30 Zn | 5.0 Sn | ||
2 P | |||||||
Density | 0.323 | 0.323 | 0.323 | 0.321 | 0.298 | 0.308 | 0.32 |
(lbs./in.³) | |||||||
Electrical Conductivity | 101 | 102 | 100 | 93 | 22 | 28 | 15 |
(% IACS @ 68°F ) | |||||||
Resistivity | 10.3 | 10.3 | 10.3 | 11.2 | 46.2 | 37 | 69.1 |
(Ω/circ. mil/ft) | |||||||
Approximate Melting | 1981 | 1981 | 1981 | 1796 | 1590 | 1680 | 1750 |
Point (°F) | |||||||
Tensile Strength Hard | 55 | 55 | 55 | 64 | 152 | 109 | 110 |
Temper (kpsi) | |||||||
Tensile Strength Soft | 34 | 34 | 34 | 30 | 68 | 52 | 51 |
Temper (kpsi) | |||||||
Yield Strength Hard | 50 | 50 | 50 | 62 | 125 | 68 | 85 |
Temper (kpsi) | |||||||
Yeild Strength Soft | 11 | 11 | 12 | 13 | 28 | 21 | 21 |
Temper (kpsi) | |||||||
Elongation Hard Temper | 6 | 6 | 5 | 1.5 | 1 | 5 | 5 |
(%) | |||||||
Elongation Soft Temper | 36 | 36 | 36 | 30 | 42 | 30 | 49 |
(%) |
Material group | Material | EN | UNS |
High copper alloys | CuSn0.15 | CW117C | C14415 |
CuSn0.3 | C14425 | ||
CuAg0.10P | CW016A | C11600 | |
CuNi3SiMg | CW112C | C70250 | |
CuCr1Zr | CW106C | C18150 | |
CuFe2P | CW107C | C19400 | |
CuCrAgFeTiSi | C18080 | ||
CuMg0.1 | C15500 | ||
CuMg0.2 | CW127C | ||
Bronze | CuSn4 | CW450K | C51100 |
CuSn5 | CW451K | C51000 | |
CuSn6 | CW452K | C51900 | |
CuSn8 | CW453K | C52100 | |
Brass | CuZn15 | CW502L | C23000 |
CuZn30 | CW505L | C26000 | |
CuZn36 | CW507L | C26800 C27000 | |
CuZn37 | CW508L | C27000 C27200 C27400 | |
Nickel silver | CuNi12Zn24 | CW403L | C75700 |
CuNi18Zn20 | CW409L | C76400 |
Material Group | Material | Diameter | Density | Resistivity | IACS | UTS |
mm | g/cm3 | μΩ.cm | % | MPa | ||
Copper | CuHc | 0.03-2.40 | 8.86 | 1.724 | 100 | 240 |
CuHc | 0.08-2.40 | 8.82 | 2.205 | 78 | 300 | |
27% Nickel Plated | ||||||
CuOFHC | 0.03-2.40 | 8.86 | 1.724 | 100 | 240 | |
CuOFHC | 0.08-2.40 | 8.82 | 2.205 | 78 | 300 | |
27% Nickel Plated | ||||||
Green6 | 0.05-1.20 | 8.88 | 1.997 | 85 | 380 | |
Green6 | 0.08-1.20 | 8.87 | 2.67 | 65 | 400 | |
27% Nickel Plated | ||||||
Green8 | 0.06-0.90 | 8.94 | 1.898 | 90 | 440 | |
CuP | 0.06-1.85 | 8.93 | 1.784 | 96 | 240 | |
White Metal | 0.08-0.90 | 8.92 | 9.892 | 17 | 250 | |
CuNiSi | 0.08-0.90 | 8.87 | 4.041 | 42 | 640 | |
Brass 80/20 | 0.08-0.90 | 8.62 | 5.301 | 32 | 450 | |
Bronze6 | 0.06-0.80 | 8.84 | 13.77 | 12 | 540 | |
Silver | Ag990 | 0.07-2.00 | 10.48 | 1.73 | 99 | 230 |
Ag935 | 0.07-0.90 | 10.15 | 2 | 86 | 350 | |
Nickel | Pure Nickel | 0.06-1.50 | 8.64 | 7.804 | 22 | 410 |