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C70250 返回列表
【化學(xué)成分】Chemical Composition(%)
| Cu | Ni | Si | Mg | ||
| Balance | 2.2%-4.2% | 0.25%-1.2% | 0.05%-0.3% |
*化學(xué)成分僅供參考
【物理特性】Physical Properties
| Density | 比重 | g/cm3 | 8.8 |
| Electrical Conductivity | 導(dǎo)電率[注- ] | %IACS | 40 |
| Thermal Conductivity | 熱傳導(dǎo)系數(shù) | W/(m. K) | 190 |
| Coefficient of Thermal Expansion | 熱膨脹系數(shù) | 10 -6/K | 17.6 |
| Modulus of Elasticity | 彈性系數(shù) | GPa (kN/mm2) | 130 |
Stress Relaxation(Remaining Stress) Rate 150°C X 1000h | 應(yīng)力緩和率 | % | 83 |
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 | 伸長率 | 硬度 | 厚度≤0.5mm | |
| G/W | B/W | |||||
| R620(TM00) | 620-760 | ≧500 | ≧10 | 180-220 | 0 | 0 |
| R655(TM02) | 650-780 | ≧585 | ≧7 | 200-240 | 1 | 1 |
| R690(TM03) | 690-800 | ≧655 | ≧5 | 220-260 | 1.5 | 1.5 |
| R750(TM04) | 750-840 | ≧720 | ≧4 | 230-270 | 2.5 | 2.5 |
| TR02 | 607-726 | ≧550 | ≧6 | 180-220 | 1 | 3 |
*硬度僅供參考
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