Copper Sand Cast Alloy (UNS C89831) – Mechanical Properties
Copper UNS C89831 has a copper content of not less than 87%.
The following table shows the mechanical properties of UNS C89831 sand cast alloy as a function of heat treatment.
| perangai | Tegangan Str. | Hasil Str. | Elong. |
|---|---|---|---|
| M01 | 237MPa (34ksi) | 105MPa (15ksi) | 20% |
Kegunaan biasa
Industrial: corrosion-resistant/pressure-tight castings, high-speed/heavy-pressure bearings, impellers, pumps
C89831 Product description: Bismuth tin bronze
Solids: 1/2″ to 10″ O.D.
Tubes: 1 1/8″ to 9″ O.D.*
Rectangles: Up to 15″
Panjang standard: 144″
Bentuk/Bentuk: separuh siap, stok kilang atau bentuk hampir bersih, anod, stok bar, bilet/bunga, segi empat sama, heks, plat, profil atau bentuk struktur, flat/bar segi empat tepat
Compliance: C89831 is compliant with key legislation including (1) Federal Safe Drinking Water Act – SDWA, (2) S. 3874 Federal Reduction of Lead in Drinking Water Act, (3) California AB1953, and (4) Vermont Act 193
* Rujuk kilang untuk ketebalan dinding
Kegunaan biasa
Industrial: corrosion-resistant/pressure-tight castings, high-speed/heavy-pressure bearings, impellers, pumps
Komposisi kimia
| Cu%1 | Pb% | Sn% | Zn% | Fe% | P | Ni%2 | Al% | Bi% | S% | Sb% | Dan% |
|---|---|---|---|---|---|---|---|---|---|---|---|
Komposisi kimia disediakan oleh CDA 10.01-2.0% as any single or combination of Ce La or other rare earth(x) elements as agreed upon. (x)ASM International definition: one of the group of chemically similar metals with atomic numbers 57 through 71 commonly referred to as lanthanides 2Ni value includes Co. Note: Cu + sum of named elements, 99.0% min. Single values represent maximums. | |||||||||||
| 87.00- 91.00 | 0.10 | 2.70- 3.70 | 2.00- 4.00 | 0.30 | 0.05 | 1.00 | 0.005 | 2.70- 3.70 | 0.08 | 0.25 | 0.005 |
Kebolehmesinan
| Aloi tembaga UNS No. | Penilaian kebolehmesinan | Ketumpatan (lb/in3 pada 68 °F) |
|---|---|---|
| C89831 | 85 | 0.318 |
Sifat mekanikal
| Kekuatan tegangan, min | Kekuatan hasil, pada sambungan 0.5% di bawah beban,, min | Pemanjangan, dalam 2 inci atau 50 mm min | Kekerasan Brinell (500 kg beban) | Teguran | ||
|---|---|---|---|---|---|---|
| ksi | MPa | ksi | MPa | % | BHN biasa | |
| 29 | 200 | 13 | 90 | 5 | 55 | |
Sifat fizikal
Sifat fizikal yang disediakan oleh CDA | |||||||||||
| Adat AS | Metrik | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| Takat lebur – cecair | 1893 °F | 1033 °C | |||||||||
| Takat lebur – solidus | 1518 °F | 825 °C | |||||||||
| Ketumpatan | 0.318 lb/in3 pada 68 °F | 8.81 gm/cm3 pada 20 °C | |||||||||
| Graviti tentu | 8.81 | 8.81 | |||||||||
| Kekonduksian elektrik | 20.38% IACS at 68 °F | 0.117 MegaSiemens/cm at 20 °C | |||||||||
| Kekonduksian terma | 50 Btu/kaki persegi/kaki jam/°F pada 68 °F | 86.6 W/m at 20 °C | |||||||||
| Pekali pengembangan haba 68-392 | 10 · 10-6 per °F (68-392 °F) | 17.3 · 10-6 per °C (20-200 °C) | |||||||||
| Kapasiti haba tertentu | 0.092 Btu/lb/°F at 68 °F | 385.4 J/kg at 20 °C | |||||||||
| Modulus keanjalan dalam tegangan | 13700 ksi | 94458 MPa | |||||||||
Sifat fabrikasi
Hartanah fabrikasi disediakan oleh CDA | |||||||||||
| Teknik | Kesesuaian | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| Memateri | Cemerlang | ||||||||||
| Memateri | bagus | ||||||||||
| Kimpalan oksiasetilena | Tidak disyorkan | ||||||||||
| Kimpalan arka terlindung gas | Tidak disyorkan | ||||||||||
| Kimpalan arka logam bersalut | miskin | ||||||||||
| Penilaian kebolehmesinan | 85 | ||||||||||
