7075 T6 T651 Aluminum Tube Paipu
ʻO Alloy 7075 alumini ka lālā koʻikoʻi o ka moʻo 7xxx a ke hoʻomau nei i ka baseline ma waena o nā mea ikaika kiʻekiʻe loa i loaʻa. ʻO Zinc ka mea hoʻohui mua e hāʻawi iā ia i ka ikaika e like me ke kila. Loaʻa i ka Temper T651 ka ikaika luhi maikaʻi, ka machinability kūpono, ka hoʻoheheʻe kūʻē a me nā helu kūʻē i ka corrosion. ʻO Alloy 7075 i ka huhū T7x51 he ʻoi aku ka maikaʻi o ke koʻikoʻi koʻikoʻi a hoʻololi i ka alloy 2xxx i nā noi koʻikoʻi.
ʻO 7075 alumini alumini kekahi o nā alumini alumini ikaika loa i loaʻa, i mea waiwai i nā kūlana koʻikoʻi. ʻO kona ikaika kiʻekiʻe (> 400 MPa) a me kona haʻahaʻa haʻahaʻa e kūpono i ka mea no nā noi e like me nā ʻāpana mokulele a i ʻole nā ʻāpana i pili i ka lole kaumaha. ʻOiai ʻoi aku ka liʻiliʻi o ka corrosion ma mua o nā alloys ʻē aʻe (e like me 5083 alumini alumini, ʻoi loa ke kūpaʻa i ka corrosion), ʻoi aku kona ikaika ma mua o ka hōʻoia ʻana i nā haʻahaʻa.
| Ka Hui Kimia WT(%) | |||||||||
| Silika | Hao | keleawe | Magnesium | Manganese | Chromium | Zinc | Titanium | ʻO nā mea ʻē aʻe | Aluminum |
| 0.4 | 0.5 | 1.2~2 | 2.1~2.9 | 0.3 | 0.18~0.28 | 5.1~5.6 | 0.2 | 0.05 | Kaulike |
| Mea Mechanical ma'amau | ||||
| Ka huhū | Mānoanoa Pā (mm) | Ikaika U'i (Mpa) | Ka ikaika hua (Mpa) | ʻO ka lōʻihi (%) |
| T6/T651/T6511 | ≤6.30 | ≥540 | ≥485 | ≥7 |
| ＞6.30-12.50 | ≥560 | ≥505 | ≥7 | |
| ＞12.50-70.00 | ≥560 | ≥495 | ≥6 | |
| T73/T7351/T73511 | 1.60-6.30 | ≥470 | ≥400 | ≥5 |
| ＞6.30-35.00 | ≥485 | ≥420 | ≥6 | |
| ＞35.00-70.00 | ≥475 | ≥405 | ≥8 | |
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