| Beryllium Copper |
| Grade |
UNS C17200 (Alloy 25) ; EN CuBe2 |
UNS C17510 ; EN CuNi2Be |
UNS.C17500 ; EN CuCo2Be |
CuCo1NiBe |
| Chemical |
Cu : Bal. |
Cu : Bal. |
Cu : Bal. |
Cu : Bal. |
| Be :1.85-2.10 |
Be : 0.20-0.60 |
Be : 0.40-0.70 |
Be : 0.40-0.70 |
| Co+Ni: 0.2 max |
Ni: 1.40-2.20 |
Co: 2.40-2.70 |
Co: 0.80-1.30 |
| Co+Ni+ Fe: 0.6 max |
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Ni: 0.80-1.30 |
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| Physical properties |
Density (g/cm3): 8.36 |
Density (g/cm3): 8.83 |
Density (g/cm3): 8.83 |
Density (g/cm3): 8.83 |
| Density before age hardening: 8.25 g/cm³ |
Density before age hardening: 8.75 g/cm³ |
Density before age hardening: 8.75g/cm³ |
Density before age hardening: 8.75 g/cm³ |
| Elastic Modulus :13.40 kg/mm² (103) |
Elastic Modulus : 14.10 kg/mm² (103) |
Elastic Modulus: 14.10 kg/mm² (103) |
Elastic Modulus: 14.10 kg/mm² (103) |
| Thermal Expansion Coefficient |
Thermal Expansion Coefficient |
Thermal Expansion Coefficient |
Thermal Expansion Coefficient |
| (20 °C to 200 °C m/m/°C): 17 x 10⁻⁶ |
(20 °C to 200 °C m/m/°C): 18 x 10⁻⁶ |
(20 °C to 200 °C m/m/°C): 18 x 10⁻⁶ |
(20 °C to 200 °C m/m/°C): 17 x 10⁻⁶ |
| Thermal Conductivity: 0.25cal/(cm-s-°C) |
Thermal Conductivity: 0.57cal/(cm-s-°C) |
Thermal Conductivity: 0.48cal/(cm-s-°C) |
Melting Range (°C): 1000-1070 |
| Melting Range (°C): 870-980- |
Melting Range (°C): 1000-1070 |
Melting Range (°C): 1000-1070 |
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| International Specification |
ASTM B196,251,463; |
ASTM B 937, |
ASTM B 937, |
ASTM B441, |
| SAE J461,463; |
SAE J 461, SAE J 463, |
SAE J 461, SAE J 463, |
SAE J461,463; RWMA Class 3 |
| AMS 4533,4534,4535; |
RWMA Class 3, |
RWMA Class 3, |
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| AMS4650,4651; |
EN 12163, EN 12165, EN 12167 |
EN 12163, EN 12165, EN 12167 |
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| RWMA Class 4 |
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| Most common temper used |
Tubes: A(TB00),1/2H |
Tubes/Pipes: A(TB00),H(TD04), |
Tubes/Pipes: A(TB00),H(TD04), |
Tube/Pipe: A(TB00),H(TD04), |
| (TD02),H(TD04), |
AT(TF00),HT(TH04) |
AT(TF00),HT(TH04) |
AT(TF00),HT(TH04) |
| AT(TF00),HT(TH04) |
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| Typical application |
Pumps,Springs,Electrochemical,Shafts, |
Springs, Seam Welding Dies, |
Springs,Thermal Transfer Plates, |
Spot Welding Electrodes, |
| Non-Sparking,Safety Tools,Housings, |
Resistance Welding Equipment, |
Welding Equipments, |
Electrode holders,Seam Welding discs, |
| Bushings,Valve Seats,Valve Stems, |
Resistance and Spot,Welding Tips, |
High Flux Electromagnets, |
Plunger Tips, Injection Nozzles, |
| Welding Equipment,Rolling Mill Parts, |
Tooling for Plastic Moulds, |
die–Casting Plunger Tips. |
Moulds for Casting of Non-Ferrous |
| Bourdon Tubes,Bellows,Mining parts |
Die–Casting Plunger Tips. |
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materials, Butt Welding Jaws. |
| Bearings |
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