High Precision Brass
General description:
Scope of application of high-precision brass: complex cold-drawn and deep-drawn hardware, radiators, automotive connectors, terminals, relays, buttons, handicrafts, battery shrapnel, etc.
key word:
Classification:
Products
High Precision Brass
Products Temper Grade & properties
| Alloy NO. | Brass (Japanese Standard) | Brass (GB) | |||||
| C2400 | C2600 | C2680 | H68 | H62 | |||
| Composition% | Cu：78.5-81.5 Zn：margin |
Cu：68.5-71.5 Zn：margin |
Cu：64.0-68.0 Zn：margin |
Cu：67.0-70.0 Zn：margin |
Cu：60.5-63.5 Zn：余量 |
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Tensile strength(N/mm²) |
O | ≥255 | ≥275 | ≥275 | M | ≥290 | ≥290 |
| 1/4H | 295-375 | 325-410 | 325-410 | Y4 | 325-410 | — | |
| 1/2H | 325-400 | 355-440 | 355-440 | Y2 | 340-460 | 350-470 | |
| H | ≥375 | 410-540 | 410-540 | Y | 390-530 | 410-630 | |
| EH | — | 520-620 | 520-620 | T | ≥490 | ≥585 | |
| SH | — | 570-670 | 570-670 | — | — | — | |
| ESH | — | ≥620 | ≥620 | — | — | — | |
| Elongation(%) | O | ≥44 | ≥40 | ≥40 | M | ≥40 | ≥35 |
| 1/4H | ≥30 | ≥35 | ≥35 | Y4 | ≥35 | — | |
| 1/2H | ≥25 | ≥28 | ≥28 | Y2 | ≥25 | ≥20 | |
| H | — | — | — | Y | ≥13 | ≥10 | |
| EH | — | — | — | T | ≥4 | ≥2.5 | |
| SH | — | — | — | — | — | — | |
| ESH | — | — | — | — | — | — | |
| Vickers hardness (HV) |
O | ≤90 | ≤90 | ≤90 | M | ≤90 | ≤95 |
| 1/4H | 80-110 | 75-125 | 75-125 | Y4 | 75-125 | — | |
| 1/2H | 110-130 | 85-145 | 85-145 | Y2 | 85-145 | 90-130 | |
| H | ≥130 | 105-175 | 105-175 | Y | 105-175 | 125-165 | |
| EH | — | 145-195 | 145-195 | T | ≥145 | ≥155 | |
| SH | — | 165-215 | 165-215 | — | — | — | |
| ESH | — | ≥180 | ≥180 | — | — | — | |
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 Bronze
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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