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【化學(xué)成分】Chemical Composition(%)
| Cu | Zn | Sn | |||
| 87%-90% | Balance | 1.5%-3.0% |
*化學(xué)成分僅供參考
【物理特性】Physical Properties
| Density | 比重 | g/cm3 | 8.75 |
| Electrical Conductivity | 導(dǎo)電率[注- ] | %IACS | 25 |
| Thermal Conductivity | 熱傳導(dǎo)系數(shù) | W/(m. K) | 120 |
| Coefficient of Thermal Expansion | 熱膨脹系數(shù) | 10 -6/K | 18.4 |
| Modulus of Elasticity | 彈性系數(shù) | GPa (kN/mm2) | 126 |
Stress Relaxation(Remaining Stress) Rate 150°C X 1000h | 應(yīng)力緩和率 | % | 62 |
以上數(shù)值皆為平均參考值，僅供參考
注一：此數(shù)值以最低Temper為基準(zhǔn)
【機(jī)械特性】Mechanical Properties
| Temper | Tensile Strength MPa (N/mm2) | Yield Strength MPa (N/mm2) | Elongation % | Hardness HV | Bendability 90°折彎 | |
| 狀態(tài) | 抗張（拉）強(qiáng)度 | 降伏強(qiáng)度 | 伸長(zhǎng)率 | 硬度 | 厚度≤0.5mm | |
| G/W | B/W | |||||
| R320 | 320-380 | ≤230 | ≧25 | 80-110 | 0 | 0 |
| R380 | 380-430 | ≧200 | ≧16 | 110-140 | 0 | 0 |
| R430 | 430-520 | ≧330 | ≧6 | 140-170 | 0 | 0 |
| R510 | 510-600 | ≧430 | ≧3 | 160-190 | 0 | 1 |
| R580 | 580-690 | ≧520 | — | 180-210 | 1 | 2 |
| R660 | ≧660 | ≧610 | — | ≧200 | — | — |
*硬度僅供參考
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