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High Precision Brass
Overview:
Scope of application of high-precision brass: complex cold-drawn and deep-drawn hardware, radiators, automotive connectors, terminals, relays, buttons, handicrafts, battery shrapnel, etc.
Keywords:
高精度黄铜
Category:
Product Center
High Precision Brass
Product Status & Mechanical Properties
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 | ||
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.
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