Stráice Cré-umha
Réamhrá Táirge
Is éard atá i stiall cré-umha ná copar le stáin, alúmanam, agus riandúile mar amhábhair, trí phróiseáil trí thinní, rollta te, rollta fuar, cóireáil teasa, glanadh dromchla, gearradh, críochnú agus pacáil, ábhair le neart toraidh ard, neart tuirse, airíonna leaisteacha agus formability lúbthachta den scoth.Úsáidtear go forleathan é i soicéad LAP ríomhaire, críochfoirt ghluaisteáin, eochaircheap fón póca, cónaisc leictreacha agus leictreonaic ardteicneolaíochta eile.
Príomhpharaiméadair Theicniúla
3-1 Comhdhéanamh Ceimiceach
| Ainm | Cóimhiotal Uimh. | Comhdhéanamh Ceimiceach( %,Uas.) | ||||||||
| Sn | Al | Zn | Ni | Fe | Pb | P | Cu | Eisíontas | ||
| Cré-umha Stáin | QSn4-0.3 | 3.5-4.9 | --- | 0. 30 | 0.2 | 0. 10 | 0. 05 | 0.03-0.35 | Rem | 0.2 |
| QSn4-3 | 3.5-4.5 | 0. 002 | 2.7-3.3 | 0.2 | 0. 05 | 0. 02 | 0.03-0.35 | Rem | 0.2 | |
| QSn6.5-0.1 | 6.0-7.0 | 0. 002 | 0.3 | 0.2 | 0. 02 | 0. 02 | 0.1-0.25 | Rem | 0.1 | |
| QSn8-0.3 | 7.0-9.0 | ------ | 0.2 | 0.2 | 0. 10 | 0. 05 | 0.03-0.35 | Rem | 0.1 | |
| Cré-umha Alúmanam | QAl5 | 0.1 | 4.0-6.0 | 0.5 | 0.5 | 0.5 | 0. 03 | 0. 01 | Rem | 1.6 |
| QAl7 | ----- | 6.0-8.5 | 0.2 | 0.5 | 0.5 | 0. 02 | ------ | Rem | ------ | |
| QAl9-2 | 0.1 | 8.0-10.0 | 1.0 | 0.5 | 0.5 | 0. 03 | 0. 01 | Rem | 1.7 | |
| Ainm | Cóimhiotal Uimh. | Comhdhéanamh Ceimiceach( %,Uas.) | |||||||||
| Be | Al | Si | Ni | Fe | Pb | Ti | Co | Cu | Eisíontas | ||
| Cré-umha Beirilliam | QBe2 | 1.8-2.1 | 0. 15 | 0. 15 | 0.2-0.4 | 0. 15 | 0. 005 | --- | --- | Rem | 0.5 |
| QBe1.9 | 1.85-2.1 | 0. 15 | 0. 15 | 0.2-0.4 | 0. 15 | 0. 005 | 0.10-0.25 | --- | Rem | 0.5 | |
| QBe1.7 | 1.6-1.85 | 0. 15 | 0. 15 | 0.2-0.4 | 0. 15 | 0. 005 | 0.10-0.25 | --- | Rem | 0.5 | |
| QBe0.6-2.5 | 0.4-0.7 | 0. 20 | 0. 20 | ------ | 0. 10 | --- | --- | 2.4-2.7 | Rem | --- | |
| QBe0.4-1.8 | 0.2-0.6 | 0. 20 | 0. 20 | 1.4-2.2 | 0. 10 | --- | --- | 0. 30 | Rem | --- | |
| QBe0.3-1.5 | 0.25-0.5 | 0. 20 | 0. 20 | ------ | 0. 10 | --- | --- | 1.4-1.7 | Rem | --- | |
3-2 Tábla Alloy
| Ainm | tSín | ISO | ASTM | JIS |
| Cré-umha Stáin | QSn4-0.3 | CuSn4 | C51100 | C5101 |
| QSn4-3 | CuSn4Zn2 | --- | --- | |
| QSn6.5-0.1 | CuSn6 | C51900 | C5191 | |
| QSn8-0.3 | CuSn8 | C52100 | C5210 | |
| Cré-umha Alúmanam | QAl5 | CuAl5 | C60600 | ------ |
| QAl7 | CuAl7 | C61000 | ------ | |
| QAl9-2 | CuAl9Mn2 | ------ | ------ | |
| Cré-umha Beirilliam | QBe2 | Ciúb2 | C17200 | C1720 |
| QBe1.9 | ------ | ------ | ------ | |
| QBe1.7 | Ciúb1.7 | C17000 | C1700 | |
| QBe0.6-2.5 | ------ | C17500 | C1750 | |
| QBe0.4-1.8 | ------ | C17510 | C1751 | |
| QBe0.3-1.5 | ------ | C17600 | C1760 |
Príomhpharaiméadair Theicniúla
Aonad Sonraíochta 3-3-1: mm
| Ainm | Cóimhiotal Uimh. (An tSín) | Teocht | Méid(mm) | |
| Tiús | Leithead | |||
| Stráice Cré-umha Stáin | QSn4-3 QSn4-0.3 QSn6.5-0.1QSn8-0.3 | O 1/2H H EH | ＞0.12～2.0 | ≤600 |
| OH EH | ||||
| Stráice Cré-umha Alúmanam | QA15 QA17 QA19-2 | Ó | ＞0.2～1.2 | 80 go 300 |
| 1/2H H | ||||
| OH EH | ＞0.2～1.2 | 80 go 300 | ||
| Stráice Cré-umha Beirilliam | QBe2 QBe1.9 QBe1.7 QBe0.6-2.5 QBe0.4-1.8 QBe0.3-1.5 | O | 0.05-1.5 | 10340 |
| H | ||||
Marc Temper: O.Bog; 1/4H.1/4 Crua; 1/2H.1/2 crua;H.crua; EH.Ultrahard.
Aonad Caoinfhulaingt 3-3-2: mm
| Tiús | Leithead | |||
| Tiús Ceadaigh Diall± | Leithead Ceadaigh Diall ± | |||
| <300 | <600 | <400 | <600 | |
| 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 | 0.3 | 0.5 |
| 0.8～ 1.2 | 0. 030 | 0. 040 | 0.4 | 0.6 |
3-3-3 Feidhmíocht Mheicniúil:
| Teocht | Neart Teanntachta N/mm2 | Fadú ≥% | Cruas HV | |
| M | (O) | ≥295 | 40 | ------ |
| Y4 | (1/4H) | 390-510 | 35 | 100-160 |
| Y2 | (1/2H) | 440-570 | 10 | 160-205 |
| Y | (H) | 540-690 | 8 | 180-230 |
| T | (EH) | ≥640 | 5 | ≥200 |
Marc Temper: O.Bog; 1/4H.1/4 Crua; 1/2H.1/2 crua;H.crua; EH.Ultrahard.
