| Alloy | Mechanical and Electrical Properties of Copper Beryllium Strip% | ||||||
|---|---|---|---|---|---|---|---|
| Cu | Be | Co + Ni | Co + Ni + Fe | Si | Ai | Total impurities | |
| C17200 | Allowance | 1.80 ~ 2.0 | ≥ 0.2 | ≤ 0.6 | ≤ 0.15 | ≤ 0.15 | ≤ 0.5 |
| Alloy | Temper | Condition | Heat Treatment Specification | N / mm²: Tensile Strength | Elongation% | Proposed Hardness (HV/DPH) | Electrical Conductivity |
|---|---|---|---|---|---|---|---|
| C17200 | 时效材 (时效前) | 固溶O(TB00) | - | 410 ~ 540 | 35 | 90 ~ 150 | - |
| 固溶 + 冷加工(1/4H)(TD01) | - | 510 ~ 610 | 10 | 130 ~ 200 | - | ||
| 固溶 + 冷加工(1/2H)(TD02) | - | 580 ~ 700 | 5 | 170 ~ 240 | - | ||
| 固溶 + 冷加工(H)(TD04) | - | 680 ~ 840 | 2 | 210 ~ 270 | - | ||
| 时效材 (时效后) | 固溶 + 时效(OT)(TF00) | 315℃ x 3h | 1100 ~ 1350 | 3 | 340 ~ 410 | 22 | |
| 固溶 + 冷加工 + 时效(1/4HT)(TH01) | 315℃ x 2.5h | 1150 ~ 1400 | 2 | 350 ~ 420 | 22 | ||
| 固溶+冷加工+时效(1/2HT)(TH02) | 315℃ x 3h | 1200 ~ 1450 | 2 | 360 ~ 430 | 22 | ||
| 固溶+冷加工+时效(HT)(TH04) | 315℃ x 3h | 1250 ~ 1500 | 1 | 370 ~ 450 | 22 | ||
| 厂内 硬化材 (免时效) | 固溶 + 厂内硬化(TM00) | - | 680 ~ 780 | 16 | 210 ~ 270 | 11 | |
| 固溶 + 冷加工 + 厂内硬化(TM01) | - | 730 ~ 860 | 10 | 230 ~ 290 | 11 | ||
| 固溶 + 冷加工 + 厂内硬化(TM02) | - | 810 ~ 960 | 8 | 250 ~ 310 | 11 | ||
| 固溶 + 冷加工 + 厂内硬化(TM04) | - | 910 ~ 1060 | 6 | 280 ~ 340 | 11 |
| Thickness / mm | 0.05 - 0.08 | > 0.08 - 0.10 | > 0.10 - 0.15 | > 0.15 - 0.20 | > 0.20 - 0.30 | > 0.30 - 0.40 | > 0.40 - 0.55 | > 0.55 - 0.70 | > 0.70 - 0.90 | > 0.90 - 1.20 | > 1.20 - 1.50 |
| Deviation / mm | ±0.003 | ±0.004 | ±0.005 | ±0.006 | ±0.007 | ±0.010 | ±0.012 | ±0.015 | ±0.018 | ±0.020 | ±0.025 |
| Thickness / mm | Sheet thickness | Strip thickness | |||||
|---|---|---|---|---|---|---|---|
| > 1.5 ~ 3.0 | > 3.0 ~ 5.0 | > 5.0 ~ 6.0 | 0.05 ~ 0.55 | 0.55 ~ 1.5 | |||
| Width deviation | |||||||
| ≤ 100 | ± 1.0 | ± 1.0 | ± 2.5 | ± 0.1 | ± 0.2 | ||
| > 100 - 200 | ± 1.0 | ± 1.0 | ± 2.5 | ± 0.2 | ± 0.3 | ||
| > 200 - 300 | ± 1.0 | ± 1.2 | ± 2.5 | ± 0.3 | ± 0.4 | ||
Note: 1. If the allowable deviation requirement is single positive or single negative, take 2 times of each value in the table as the standard. 2. When the customer has special requirements for the width and its allowable deviation, it shall be negotiated by the supplier and the buyer and indicated in the contract. | |||||||
