Mwepu ọla
Okwu Mmalite ngwaahịa
Mpempe akwụkwọ brass dabere na ọla kọpa electrolytic, zinc na ihe ndị na-achọpụta ihe dị ka akụrụngwa ya, site na nhazi site na ingot, ntụgharị ọkụ, ntụgharị oyi, ọgwụgwọ okpomọkụ, nhicha elu, ịcha, imecha, wee bukọta.Arụmọrụ usoro ihe onwunwe, plasticity, n'ibu Njirimara, corrosion iguzogide, arụmọrụ na ezi tin.A na-ejikarị ya eme ihe na ọkụ eletrik, ụgbọ ala, nkwukọrịta, ngwaike, ịchọ mma na ụlọ ọrụ ndị ọzọ
Isi Nka na ụzụ Parameters
2-1 Ngwakọta kemịkalụ
| Alloy No. | Ngwakọta kemịkalụ(%,Oke.) | ||||||||
| Cu | Fe | Pb | Al | Mn | Sn | Ni | Zn | adịghị ọcha | |
| H96 | 95.0-97.0 | 0.10 | 0.03 | --- | --- | --- | 0.5 | Rem | 0.3 |
| H90 | 88.0-91.0 | 0.10 | 0.03 | --- | --- | --- | 0.5 | Rem | 0.3 |
| H85 | 84.0-86.0 | 0.10 | 0.03 | --- | --- | --- | 0.5 | Rem | 0.3 |
| H70 | 68.5-71.5 | 0.10 | 0.03 | --- | --- | --- | 0.5 | Rem | 0.3 |
| H68 | 67.0-70.0 | 0.10 | 0.03 | --- | --- | --- | 0.5 | Rem | 0.3 |
| H65 | 63.5-68.0 | 0.10 | 0.03 | --- | --- | --- | 0.5 | Rem | 0.3 |
| H63 | 62.0-65.0 | 0.15 | 0.08 | --- | --- | --- | 0.5 | Rem | 0.5 |
| H62 | 60.5-63.5 | 0.15 | 0.08 | --- | --- | --- | 0.5 | Rem | 0.5 |
2-2 Alloy Table
| China | ISO | ASTM | JIS |
| H96 | CuZn5 | C21000 | C2100 |
| H90 | CuZn10 | C22000 | C2200 |
| H85 | CuZn15 | C23000 | C2300 |
| H70 | CuZn30 | C26000 | C2600 |
| H68 | ------- | ------- | ------- |
| H65 | CuZn35 | C27000 | C2700 |
| H63 | CuZn37 | C27200 | C2720 |
| H62 | CuZn40 | C28000 | C2800 |
2-3 atụmatụ
2-3-1 Nkeji nkọwapụta: mm
| Aha | Alloy No.(China) | Iwe | Nha(mm) | ||
| Ọkpụrụkpụ | Obosara | Ogologo | |||
| Mwepu ọla | H59 H62 H63 H65 H68 H70 | R | 4–8 | 600～1000 | ≤3000 |
| H62 H65 H68 H70 H90 H96
| Y Y2 M T | 0.2～0.49 | 600 | 1000～2000 | |
| 0.5～3.0 | 600～1000 | 1000～3000 | |||
Iwe Mark:O.Nrọ; 1/4H.1/4 ike; 1/2H.1/2 ike; H.Ike; EH.Ultrahard.
2-3-2 Nkeji ndidi: mm
| Ọkpụrụkpụ | Obosara | |||||
| Ọkpụrụkpụ Kwe Ka Ngbanwe ± | Obosara kwe ka ngbanwe ± | |||||
| .400 | .600 | .1000 | .400 | .600 | .1000 | |
| 0.5-0.8 | 0,035 | 0,050 | 0.080 | 0.3 | 0.3 | 1.5 |
| 0.8-1.2 | 0,040 | 0.060 | 0.090 | 0.3 | 0.5 | 1.5 |
| 1.2-2.0 | 0,050 | 0.080 | 0.100 | 0.3 | 0.5 | 2.5 |
| 2.0-3.2 | 0.060 | 0.100 | 0.120 | 0.5 | 0.5 | 2.5 |
2-3-3 arụrụ arụrụ arụ
| Iwe | Ike ọdụdọ N/mm2 | Ogologo oge ≥% | Isi ike HV | |
| M | (O) | ≥290 | 35 | ------- |
| Y4 | (1/4H) | 325-410 | 30 | 75-125 |
| Y2 | (1/2H) | 340-470 | 20 | 85-145 |
| Y | (H) | 390-630 | 10 | 105-175 |
| T | (EH) | ≥490 | 2.5 | ≥145 |
| R |
---
| --- | --- | |
Iwe Mark:O.Nrọ; 1/4H.1/4 ike; 1/2H.1/2 ike; H.Ike; EH.Ultrahard.
Usoro nrụpụta
