High Precision Bronze
General description:
High-precision phosphor bronze application scope: wear-resistant components and elastic components, connectors, high-tech industry connectors, electronic and electrical springs, switches, electronic product slots, buttons, electrical connectors, lead frames, vibrating sheets and terminals, etc.
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Classification:
Products
High Precision Bronze
Products Temper Grade & properties
| Alloy NO. | Bronze (Japanese Standard) | Bronze (GB) | Bronze (high elasticity) | ||||||||
| C5111 | C5102 | C5191 | C5210 | QSn6.5-0.1 | QSn6.5-0.4 | B8 | B10 | ||||
| Composition% | Cu:margin Sn:3.5-4.5 P:0.03-0.35 |
Cu:margin Sn:4.5-5.5 P:0.03-0.35 |
Cu:margin Sn:5.5-7.0 P:0.03-0.35 |
Cu:margin Sn:7.0-9.0 P:0.03-0.35 |
Cu:margin Sn:6.0-7.0 P:0.10-0.25 |
Cu:margin Sn:6.0-7.0 P:0.26-0.40 |
Cu:余量 Sn:7.5-9.0 P:0.13-0.17 |
Cu:余量 Sn:9.5-11.0 P:0.13-0.17 |
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| Tensile strength(N/mm²) | O | ≥295 | ≥305 | ≥315 | ≥345 | M | ≥290 | M | ≥295 | 460-540 | 460-560 |
| 1/4H | 345-440 | 375-470 | 390-510 | 390-510 | Y4 | 390-510 | — | — | 470-610 | 510-630 | |
| 1/2H | 410-510 | 470-570 | 490-610 | 490-610 | Y2 | 440-570 | — | — | 585-710 | 630-745 | |
| H | 490-590 | 570-665 | 590-685 | 590-705 | Y | 540-690 | Y | 540-690 | 635-735 | 745-840 | |
| EH | ≥570 | ≥620 | ≥635 | ≥685 | T | >640 | T | ≥665 | ≥725 | 805-900 | |
| Elongation(%) | O | ≥38 | ≥40 | ≥42 | ≥45 | M | ≥40 | M | ≥40 | ≥40 | ≥40 |
| 1/4H | ≥25 | ≥28 | ≥35 | ≥40 | Y4 | ≥35 | ≥27 | ≥32 | |||
| 1/2H | ≥12 | ≥15 | ≥20 | ≥30 | Y2 | ≥10 | ≥20 | ≥13 | |||
| H | ≥7 | ≥7 | ≥8 | ≥12 | Y | ≥8 | Y | ≥8 | ≥11 | ≥7 | |
| EH | ≥3 | ≥4 | ≥5 | ≥5 | T | ≥5 | T | ≥2 | ≥9 | ≥4 | |
| Vickers hardness(HV) | O | — | — | — | — | M | ≤100 | M | — | 125-150 | 125-155 |
| 1/4H | 80-150 | 90-160 | 100-160 | 100-160 | Y4 | 100-160 | — | — | 170-190 | 190-210 | |
| 1/2H | 120-180 | 130-190 | 150-205 | 150-205 | Y2 | 150-205 | — | — | 190-210 | 200-230 | |
| H | 150-200 | 170-220 | 180-230 | 180-235 | Y | 180-230 | Y | — | 210-230 | 220-260 | |
| EH | ≥170 | ≥190 | ≥200 | ≥210 | T | ≥200 | T | — | 230-250 | 250-290 | |
High-precision phosphor bronze application scope: wear-resistant components and elastic components, connectors, high-tech industry connectors, electronic and electrical springs, switches, electronic product slots, buttons, electrical connectors, lead frames, vibrating sheets and terminals, etc.
High Conductivity And High Strength Copper Alloy
QBD-6 is a new type of copper alloy material independently developed and patented by Zhejiang Bada Copper. It is widely used in lead frame materials, battery pack connection sheets, deflectors and other fields.
Scope of application of high-precision brass: complex cold-drawn and deep-drawn hardware, radiators, automotive connectors, terminals, relays, buttons, handicrafts, battery shrapnel, etc.
High-precision phosphor bronze application scope: wear-resistant components and elastic components, connectors, high-tech industry connectors, electronic and electrical springs, switches, electronic product slots, buttons, electrical connectors, lead frames, vibrating sheets and terminals, etc.
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