Kupamba Ukanda wa Shaba
Utangulizi wa Bidhaa
Shaba imekuwa ikitumika kama nyenzo ya mapambo kwa historia ndefu. Kwa sababu ya nyenzo hiyo ina unyumbufu unaonyumbulika na upinzani mzuri wa kutu. Pia ina uso unaong'aa na muundo imara. Ni rahisi kupakwa rangi na kemikali. Imekuwa ikitumika sana katika kutengeneza milango, madirisha, nguo, mapambo, paa, kuta na kadhalika.
Vigezo Vikuu vya Kiufundi
1-1Muundo wa Kemikali
| Nambari ya Aloi | Muundo wa Kemikali (%,Kiwango cha juu zaidi.) | ||||||||||||
| Cu+Ag | P | Bi | Sb | As | Fe | Ni | Pb | Sn | S | Zn | O | uchafu | |
| T2 | 99.90 | — | 0.001 | 0.002 | 0.002 | 0.005 | 0.005 | 0.005 | 0.002 | 0.005 | 0.005 | 0.06 | 0.1 |
| H62 | 60.5-63.5 | — | — | — | — | 0.15 | — | 0.08 | — | — | Rem | — | 0.5 |
Jedwali la Aloi 1-2
| Jina | Uchina | ISO | ASTM | JIS |
| Shaba | T2 | Cu-FRHC | C11000 | C1100 |
| Shaba | H62 | CuZn40 | C28000 | C2800 |
Vipengele
1-3-1Vipimo mm
| Jina | Aloi (Uchina) | Hasira | Ukubwa(mm) | |
| Unene | Upana | |||
| Ukanda wa Shaba/Shaba wa Kawaida | T2 H62 | Y Y2 | 0.05~0.2 | ≤600 |
| 0.2~0.49 | ≤800 | |||
| >0.5 | ≤1000 | |||
| Ukanda wa Mapambo | T2 H62 | YM | 0.5~2.0 | ≤1000 |
| Ukanda wa Kuzuia Maji | T2 | M | 0.5~2.0 | ≤1000 |
Alama ya Halijoto: O. Laini; 1/4H. 1/4 Ngumu; 1/2H. 1/2 Ngumu; H. Ngumu; EH. Ngumu Zaidi.
1-3-2Kitengo cha Uvumilivu: mm
| Unene | Upana | |||||
| Unene Ruhusu Kupotoka± | Upana Ruhusu Kupotoka± | |||||
| <600 | <800 | <1000 | <600 | <800 | <1000 | |
| 0.05~0.1 | 0.005 | ------ | ------ | 0.2 | ------ | ------ |
| 0.1~0.3 | 0.008 | 0.015 | ------ | 0.3 | 0.4 | ------ |
| 0.3~0.5 | 0.015 | 0.020 | ------ | 0.3 | 0.5 | ------ |
| 0.5~0.8 | 0.020 | 0.030 | 0.060 | 0.3 | 0.5 | 0.8 |
| 0.8~1.2 | 0.030 | 0.040 | 0.080 | 0.4 | 0.6 | 0.8 |
| 1.2~2.0 | 0.040 | 0.045 | 0.100 | 0.4 | 0.6 | 0.8 |
| 2.0~3.0 | 0.045 | 0.050 | 0.120 | 0.5 | 0.6 | 0.8 |
| Zaidi ya 3.0 | 0.050 | 0.12 | 0.15 | 0.6 | 0.8 | 1.0 |
Mbinu ya Utengenezaji






