7075 ʻO ke Aluminim kekahi o ka honua i hoʻohana nuiʻia a kaulana loa a me nā alluinum aluminum.
Kaulana no kona ikaika ikaika ikaika-i-ka nui, aluminum 7075 he punahele ma ka aerospace a me nā hana hana hāmeʻa.
I kēia alakaʻi alakaʻi, E hana mākou i nā mea āpau āu e pono ai eʻike 7075 aluminum, mai konaʻano a me kāna mau waiwai i kona mau noi a me nā hana hana lole.
1. He aha la 7075 Aluminum?
7075 ʻO Aluminum kahi hapa o nā papa 7xxx, hōʻikeʻia e zinc e like me ka mea nui.
He alloy wela loa ia, Hoʻolālā e hāʻawi i ka ikaika kiʻekiʻe a paʻakikī, Ke kūpono nei ia i nā noi e noi ai i ka hana koi a me ka pololei.
ʻOiaiʻo kāna hoʻohana muaʻana ma kaʻoihana Aerospace, Uaʻaeʻo ia i kona kūʻokoʻa e loaʻa i ka kaulana i nā'āpana kiʻekiʻe'ē aʻe.

2. 7075 ʻO nā waiwai a Alminim
Kōkua Hōʻa
Ka huiʻana o nā 7075 Hoʻohuiʻo Aluminim i kahi hui o nā mea e hāʻawi ai i ka ikaika, hālulu, a me ke kū'ēʻana.
| Mua | ʻO ka maʻamau maʻamau (%) | Hana |
|---|---|---|
| Aluminum (AL) | Kaulike | Kūlana kumu, ka hoʻolakoʻana i ka māmā a me ka formability. |
| Zinc (Zn) | 5.1-6.1 | ʻO ka hoʻoikaikaʻana o ka mua, hoʻonui i ka ikaika paʻakikī a me ka ikaika. |
| Magnesum (Mg) | 2.1-2.9 | Hoʻomaikaʻi i ka paleʻana o ka corrosion a hoʻonui i ka ikaika. |
| Liulaala (Cu) | 1.2-2.0 | Hoʻonui i ka paʻakikī a me ka manikini akā e hōʻemi ana i ke kū'ē kū'ē. |
| Chromium (Cr) | 0.18-0.28 | Hoʻomaikaʻi i ke kū'ēʻana i ke kaumaha o ke kaumaha. |
| Silikino (A) | Max 0.4 | E hoʻokaʻawale i ka hoʻolālā grain, E hoʻoikaika liʻiliʻi. |
| 'Eron (Lia) | Max 0.5 | Nā hewa me nā hopena liʻiliʻi ma ka ikaika. |
ʻO ka uku kaulike o kēia mau mea i hoʻokumu i kahi hana kiʻekiʻe kiʻekiʻe e koiʻia no nā noi noi.
Nā Pūnaewele Pūnaewele
ʻO nā hiʻohiʻona pilikino o Aluminim 7075 Hāʻawi i kona hoʻohanaʻana i ka mea e hoʻohana ai i ka AEROSPACE a me nāʻoihana AutoMetive.
| Waiwai | Waiwai | ʻO ka weheweheʻana |
|---|---|---|
| Huakai | 2.81 g / cm³ | Ua hoʻohālikelikeʻia ka māmā māmā i ke kila, Ke kūpono nei i nā noi koʻikoʻi. |
| Malting Point | 477-635 ° C | Aeʻae no nā noi kiʻekiʻe kiʻekiʻe a me nā hana maʻalahi. |
| Ka HōʻaʻO Kokua | 130 W / m · c · k | Loli, He kūpono no nā'āpana wela. |
| Mea kūʻai uila | 36% Iac | ʻO ka hana uila uila no nā lako hana. |
| Ka maikaʻi o ka hoʻonuiʻana i ka | 23.6 μM / m · m · ° C | Mālama i ka paʻaʻana o ka dimensional ma lalo o nāʻano likeʻole. |
ʻO kēia mau waiwai e hana ai i ka alumini 7075 kahi mea kūpono no nā'āpana e koi ai i kahi hui o ka māmā, kūkaha, a me ka hoʻokele wela.
3. Nā helu maʻamau o nā 7075 Aluminum
ʻO kēlā me kēia helu nui o 7075 Hāʻawiʻo Aluminim i kahi kaulike kūʻokoʻa o nā mea hana mechanical. Eia kahi hoʻomaha kiko'ī:
7075-Ooe (Anned)
- Ke kaʻina hana: kahi kūlana
ʻAʻole i hoʻopiliʻia ka wela wela. Ua hoʻopauʻia ka alloy e hoʻonuiʻia i ka hana noximility a me ka maʻalahi o ka machining. - Nā Pīkuhi Propertinies:
-
- ʻO ka ikaika hope loa: ~ 220 MPA
- Ka ikaika: ~ 105 mpa
- Ewangantion: ~ 17-18%
- Nāʻano hiʻohiʻona:
-
- ʻAno palupalu o 7075 aluminum, Ke hana nui nei i nā hana hana.
- Kūpono no nā noi i kahi e hoʻolālāʻia ai ka mālama wela o ka wela.
- Noi: Hoʻohanaʻia i loko o nā kūlana e koi ana i keʻano nui a iʻole ke kalaʻana, e like me nā mea paʻakikī aertpace.
7075-T6 (Ua mālamaʻia ka hopena wela i ka wela a me ka makahiki)
- Ke kaʻina hana: ʻO ka hopena ka mea wela i mālamaʻia a me ka weliweli
ʻO ka alloy ka mea i hāpaiʻia i kahi kiʻekiʻe kiʻekiʻe, i mālamaʻia i kēlā mahana no kekahi manawa e hoʻopau i nā ala alloying i loko o ka matrix, a laila hoʻomaʻemaʻe wikiwiki (ua hala) e pani i kēia mau mea i ka hopena.
A laila heʻelemakuleʻia ma keʻano haʻahaʻa haʻahaʻa e hoʻopili i nā mea'ē aʻe a hoʻonui i ka ikaika.

- Nā Pīkuhi Propertinies:
-
- ʻO ka ikaika hope loa: ~ 572-580 mpa
- Ka ikaika: ~ 503-540 MP.
- Ewangantion: ~ 11-13%
- Nāʻano hiʻohiʻona:
-
- ʻO ka pae kiʻekiʻe-kiʻekiʻe-kiʻekiʻe, maikaʻi loa no nā'āpana ukana.
- Hoʻemiʻia ka ductity i hoʻohālikelikeʻia ma 7075-o.
- Noi: Maʻamau ma Aerospace, aitompetitive, a me nā mea hana e hana ai i nāʻoihana no nā'āpana e like me nā wing spars a me nā mea pāʻani bicycle.
7075-T651 (Mālamaʻia ka hopena wela, Hana maikaʻi, a me ka makahiki)
- Ke kaʻina hana: Hoʻoholoʻia ka hopena i mālamaʻia, lele aku, a me nāʻelemakule kahiko
Like me t6, akā, ua paʻa ka alloy ma hope o ka quere e hōʻoluʻolu i nā kaumaha kūloko a hoʻomaikaʻi i ka pololei. - Nā Pīkuhi Propertinies:
-
- ʻO ka ikaika hope loa: ~ 572-580 mpa
- Ka ikaika: ~ 503-540 MP.
- Ewangantion: ~ 11-13%
- Nāʻano hiʻohiʻona:
-
- Like me t6, Akā me ka hoʻomaikaʻiʻana i ka dimensional i hoʻomaikaʻiʻia ma muli o ke kaumaha kaumaha.
- ʻO ka manika maikaʻi loa i hoʻohālikelikeʻia i T6.
- Noi: Makemakeʻia no ka machini mua, e like me nā pono hana kiʻekiʻe, Nā Māhele kā Aerospace, Aʻo Welds.
7075-T73 (Mālamaʻia ka hopena wela, Huhū)
- Ke kaʻina hana: Hoʻoholoʻia ka hopena i mālamaʻia, A laila e hoʻonuiʻia e hoʻomaikaʻi i ke kū'ēʻana.
- Nā Pīkuhi Propertinies:
-
- ʻO ka ikaika hope loa: ~ 503-540 MP.
- Ka ikaika: ~ 435-4775 mpa
- Ewangantion: ~ 13-15%
- Nāʻano hiʻohiʻona:
-
- ʻOi aku ka liʻiliʻi ma mua o T6 akāʻoi aku ka maikaʻi o ke kū'ēʻana i ke kaumaha.
- He kūpono no nā noi i hōʻikeʻia i nā wahi hoʻoponopono.
- Noi: Hoʻohanaʻia ma nā mea kanu moana, nā noi a Aerospace e koi ana i ke kū'ēʻana, a me nā'āpana hoʻonohonoho.
7075-T7351 (Mālamaʻia ka hopena wela, Hana maikaʻi, a ua hoihoi)
- Ke kaʻina hana: Hoʻoholoʻia ka hopena i mālamaʻia, lele aku, a ua hoihoi:
Ma hope o ka hoʻonāʻana i ka mālama wela a me ka hoʻonuiʻana, Ua hoʻonuiʻia ka alloy ma ke kiʻekiʻe kiʻekiʻe e hōʻemi i ke kaumaha kūlohelohe a hoʻomaikaʻi i ka paʻakikī. - Nā Pīkuhi Propertinies:
-
- ʻO ka ikaika hope loa: ~ 503-540 MP.
- Ka ikaika: ~ 435-4775 mpa
- Ewangantion: ~ 13-15%
- Nāʻano hiʻohiʻona:
-
- E hoʻohui i nā pono o ke kaumaha o ke kaumaha a me ke kū'ēʻana.
- Hoʻololiʻia i ke kalaʻana a me keʻano o keʻano.
- Noi: Kūpono no nā'āpana AERSEPECE, Nā noina koa, a me nā mīkini hana kiʻekiʻe.
ʻO ka papaʻaina o nā meaʻike
| Helu helu | ʻO ka ikaika hope loa (Mpa) | Ka ikaika (Mpa) | Ewangantion (% I 50mm) | Nā hiʻohiʻona koʻikoʻi |
|---|---|---|---|---|
| 7075-Ooe | ~ 220 | ~ 105 | ~ 17-18 | ʻO ka ductile maikaʻi a me ka formable. |
| 7075-T6 | ~ 572-580 | ~ 503-540 | ~ 11-13 | Ikaika loa, haʻahaʻa haʻahaʻa loa. |
| 7075-T651 | ~ 572-580 | ~ 503-540 | ~ 11-13 | Kaumaha-hoʻomaha, ʻO ka Mancinability maikaʻi. |
| 7075-T73 | ~ 503-540 | ~ 435-4775 | ~ 13-15 | Hoʻopiliʻia ke kū'ēʻana. |
| 7075-T7351 | ~ 503-540 | ~ 435-4775 | ~ 13-15 | Corrosionion-resistant a me ke kaumaha. |
Nā hopena o nā hopena o ka wela wela
- Hopena wela wela (Sht):
I loko o kēia hana, Ua hoʻomehanaʻia ka alloy e hoʻokaʻawale i kāna mau alahele i loko o kahi hopena paʻa. Rapid holoi, a iʻole ka quenching, "Locks i" nā mea'ē aʻe, ka hoʻonohonohoʻana i ke kahua no ka paʻakikī. - Queech:
Wikiwiki ka wikiwikiʻana mai ka hopena palekana e hana ai i ka hopena o ka hopena supersaturated stid. He koʻikoʻi kēiaʻano hana no ka hoʻokōʻana i ka ikaika kiʻekiʻe akā hoʻopuka i ke kaumaha o ke koʻikoʻi ma ka waihona. - ʻEhā (Kūlohelohe a kūlohelohe paha):
Hiki i nā makahiki o ka ADLOYING e pili ana i nā mea e pono ai, Hoʻopili i ka ikaika a Alloy a me ka paʻakikī. ʻO ka wā kahiko, hanaʻia ma nā wela kiʻekiʻe, ʻoi aku ka wikiwiki a me nā mea hou aku.

Ua hōʻikeʻia nā kumu nui e ka huhū
- Ikaika a me ka paʻakikī:
-
- T6 a me T651 nā gigpers hāʻawi i ka ikaika kiʻekiʻe ma muli o ka hoʻonuiʻana i ka hopena o nā mea'ē aʻe e like me Zinc a me Tignesium.
- T73 huhū ʻO nā mōhai i kekahi mau ikaika no ka hoʻonuiʻana i ke kū'ē, He kūpono no nāʻenehana i keʻano o ke kaumaha.
- Ke kū'ē neiʻo Corrosionion:
-
- ʻO T6ʻO ka huhū maikaʻi loaʻo Corrosion-resistant akā hiki ke hoʻopaʻaʻia i ke kaumaha.
- Ua hoʻolālāʻiaʻo T73 Ua hoʻolālāʻia ka huhū e hoʻomaikaʻi i ke kū'ēʻana, kūikawā ma nā noi moana a iʻole nā noi noi.
- Machinlibility a me ke kaumaha-hoʻomaha:
-
- ʻO T651 Ua ho'ēmiʻo Turper i nā kaumaha kūloko, ʻaeʻia no ka mahana kiʻekiʻe-kūponoʻole me kaʻole o ka hopena o ke kaua a iʻole ka deformation.
- Hiki i ka T73ʻO Tigper i kahi machinicable ma muli o konaʻano somet i luna akā hāʻawi i ka ikaika kiʻekiʻe loa i nā kūlana kūlike.
- Paʻakikī a me ka neʻe:
-
- Hāʻawiʻo T6 i ka nui i ka paʻakikī i ka paʻakikī no nā noi pili.
- Hāʻawiʻo T73ʻO ka huhū i nā haʻahaʻa kiʻekiʻe, e hana hou ana i nā mea hou aku e pale ai ma lalo o ka hopena a iʻole ke kauʻana.
4. Pono ana o 7075 Aluminum
7075 Ua kūʻo Aluminim e like me kekahi o nā mea nui loa a me nā alaloa kiʻekiʻe e loaʻa ai, Hāʻawi i kahi o nā mea pono e hana i kahi koho kaulana ma nāʻoihana:
ʻO ka ikaika ikaika ikaika-i-paona
- 7075 kaulanaʻo Alumini no konaʻano hoihoi ikaika loa, Ke hana nei i kahi koho nui no nā noi e koi ana i nā kukui māmā.
ʻo kahi laʻana, Hoʻopilikia ia i kahi ikaika o ka ikaika o ka 572 Mpa (83,000 Psi) I ka T6 huhū, ʻO ka halaʻana i nā mea hele he nui i ke koena o ka māmā.
ʻO ke kū'ēʻana i nā pale
- ʻO kēia alloy keʻano nui loa i ka momona, ʻO ka hana kūpono no nā mea i kauʻia i nā mea hou aku i ke kaumaha.
Ua waiwai nui kēia waiwai i loko o ka ʻO Aerospace a me nāʻoihana Autoomotive, Ma hea kahi hilinaʻi ma lalo o ke kāwele cyclic e koʻikoʻi.
ʻO ka machiniblibility
- 7075 Ua hiki i ka Manchinibility Machinebility i ka hana o ka paʻakikī a me nā'āpana kūpono me ka maʻalahi.
Ua helu pinepineʻiaʻo ia e like me kekahi o nā alluinum maikaʻi loa no ka machining cnc machining, ka hoʻemiʻana i ka manawa hana a me nā uku.
ʻO ka wela wela
- ʻO ka hiki ke hana i nā waiwai mechanical i loko o ka huhū a me nā mea wela e like me ka nui e like me t6 a me t651 e hoʻonui i kānaʻano.
Hāʻawi kēia hoʻololi i nā mīkini hana e hana i ka alloy no nā koi kūpono.
Ke kū'ē neiʻo Corrosionion
- ʻOiaiʻaʻole e like me ka corrosiod-resistant e like me 6061, 7075 Hāʻawiʻo Aluminim i ke kū'ēʻana i nā mea kūlohelohe i nā kumu kūlohelohe.
Hiki i ke aniodizing a iʻole nā mea hana'ē aʻe e hoʻonui hou i kona mau manawa i kū'ē i ke kuʻekuʻe.
5. Ka Hoʻohālikelikeʻana o 7075 Aluminum
7075 ʻO ka waiwai kūʻokoʻa a Alminim i kūpono i kūpono no nāʻano hana likeʻole, komo me keʻano, Machimen, a me nā hana kino.
Machimen:
- 7075 He maikaʻi loaʻo Aluminim no nā kaʻina hana e like me CNC MilightʻAʻole, ke huli, a me ka drilling. Hiki i kona mīkini kiʻekiʻe ke kūpono no ka hana kūpono a me ka maikaʻi kūpono.

Hana:
- 7075 Hiki ke hoʻokumuʻiaʻo Anuminim i nāʻano likeʻole, Akā hiki iā ia ke koi i ka hoʻonāukiukiʻana e hoʻomaikaʻi i ka nomibility. Kōkua kēia kaʻina hana i ka hoʻokōʻana i keʻano i makemakeʻia me kaʻole e hoʻohālikelike i nā waiwai o nā mea.
ʻO ka mālama wela
- 7075 he wela-mālama, ʻO ka hoʻonuiʻana i ka ikaika i hoʻonuiʻia a me nā mea hana e pili ana i nā mea hana likeʻole ma o nā kaʻina hana e like me ka hopena wela a me ka makahiki. ʻO nā hoʻowalewale e like me T6 a me T651 hāʻawi i ka ikaika kiʻekiʻe, ʻOiaiʻo T73 e hāʻawi i ka hoʻoponoponoʻana i ke kū'ē.
Welding
- ʻAʻole i'ōleloʻia ka Wilding ma muli o ka pilikia o ka cracking. ʻO ka Friction Srit Cright he mea koho'ē aʻe no nā hui kiʻekiʻe kiʻekiʻe.
6. ʻOkoʻa nā mea likeʻole ma luna 7075 Aluminum
Milli:
- Keʻano kūlohelohe e like me ka mea e hele mai mai ka milla, He kūpono no nā noi i kahi o keʻanoʻaʻole koʻikoʻi.
Anodichiz:
- Hāʻawi i kahi pale pale pale pale e hoʻonui ai i ke kū'ēʻana a hiki ke kalaʻia no nā kumu aesthetic. Ua hoʻomaikaʻiʻo Anodizing i ka hana a ka mea hana a me keʻano.
Kāleka:
- Hoʻokō i kahi kūpono, palana lealea, hoʻohana pinepineʻia no nā noi a iʻole nā noi kiʻekiʻe. Hiki ke hoʻonuiʻiaʻo Polani i kaʻikeʻike a hōʻemi i ka paʻakikī.
Kāleka:
- I hoʻopaʻaʻia me nā pena a iʻole nā pale pale'ē aʻe e hoʻonui ai i keʻano a pale i ka paleʻana.
ʻO ka pena kiʻi heʻano maʻamau no ka hoʻomaikaʻiʻana i nā Aesthetics o nā mea hana a me ka lōʻihi.
Ke kūlohelohe meleʻana:
- Nā mea lapaʻau e like me ka chromate constion (Alodine) hoʻomaikaʻi i ka paleʻana o ka corrosion ma luna o ka pākeke no nā kapa hope.
He mea nui kēia mau lole no ka hoʻonuiʻana i ka hana a ka mea hana ma nā wahi harsh.
7. Kahi e hoʻohana ai 7075 Aluminum
AerERPPACE:
- 7075 Hoʻohana nuiʻiaʻo Aluminim i nā mokulele mokulele, Nā'ēheu, a me nā mea waiwai o nā wahi ma muli o kona ikaika kiʻekiʻe a me nā waiwai māmā.
Aitompetitive:
- Nā'āpana kaʻa kiʻekiʻe, e like me nā mea hoʻopiʻi a me nā chassis, pōmaikaʻi mai ka ikaika a me ka lōʻihi o 7075 aluminum.
Nā lako hāmeʻa:
- 7075 Hoʻohanaʻiaʻo Aluminim i nā pahu uila, ʻO ke kolamu Kīkī, a me nā papa ski, Aia ma kahi o ka ikaika kiʻekiʻe a me ka paona kukui.
Marine:
- ʻO nā kāpena Boull a me nā deck fittits e pōmaikaʻi ana i ka paleʻana o nā mea e kū ana i ka pale a me ka ikaika, Ke kūpono nei ia no nā noi mariine.
Kahahana:
- Nā Kūlana Kūlana, nā mīkini mīkini, a me nā pono hana hoʻohana pinepine 7075 alumini no kona ikaika kiʻekiʻe a me ka hilinaʻi.
8. Hoʻohālikelike o 7075 Alumini me nā helu'ē aʻe
ʻO kēlā me kēia papa helu alumini i loaʻa i kāna mau mea kūikawā o nā waiwai a he kūpono loa ia no nā noi kiko'ī. 7075 Ua kūʻo Aluminim no kona ikaika kiʻekiʻe a me ka māmā.
Akā naʻe,, nā papa'ē aʻe e like me 6061, a 2024 Hāʻawi i nā mea likeʻole ma nā'ōlelo no ka formability, wawahua, a me ke kumukūʻai-kūpono, Ke hana nei lākou i kahi kūpono no kahi pālahalaha nui o nā noi.
| Waiwai | 7075 | 6061 | 2024 |
|---|---|---|---|
| Ikaika | ʻOi aku ka kiʻekiʻe | Loli | High |
| Ke kū'ē neiʻo Corrosionion | Loli | Kūpono | Loli |
| Markinpalibility | Kūpono | Maikaʻi loa | Loli |
| Wawahua | Paʻa | Kūpono | Paʻa |
| Kālā | High | Loli | High |
| Noi | AerERPPACE, Kauka | Peopleʻoihana Pūnaewele | AerERPPACE, aitompetitive |
9. Nā Kūlana Aluminum 7075 ʻO Alloy e noho ana
7075 Loaʻaʻo Aluminim i kahi ākea ākea o nāʻano, ʻO ka hāʻawiʻana i ke hoʻololi no nā hana hana likeʻole a me nā noi.
Aia ma lalo nei nāʻano maʻamau loa i loaʻa kēia Alloy a me kā lākou hoʻohana maʻamau:
| ʻAno | ʻO ka weheweheʻana | Nā noi maʻamau |
|---|---|---|
| 'Ōpalapala | Kope, ʻO nā'āpana kūpono kūpono no nā mea kūpono. | Nā palapala pā o Aerospace, ʻO nā hana hoʻoikaika automotive. |
| Nā pahu | ʻO nā hiʻohiʻona cylidrical solidrical no ka machining. | Nā papahele, Pins, Nā mea paʻa, a me nā alterspace kūpono. |
| Nā papa | ʻO nā'āpana pā pōhaku i hoʻohanaʻia no nā'āpana koʻikoʻi. | Nā papa hana, Nā Kūlana Kūlana. |
| Nā'āpana | Kope, nā wahi ākea no nā hana māmā. | ʻIli wai, nā poponals, a me ka laka. |
| Nā Kuhi | Nā'āpana'āpana no kaʻokiʻana. | Nā'āpana uila, demirative trim. |
| Nā'ōpala | Paulo pihi. | Nā faile bicycle, ʻO nā'ōnaehana hoʻololi o Fluid. |
| Nā'āpana kiʻi | Nā'āpana-crostangular cross-cross. | Nā hana hana, nā'āpana automotive. |
| ʻOlua mau hua | Nā pākeke paʻa i nā noi nui. | ʻO nā cylinders hydraulic, Na'Āpanaʻo Aerospace. |
| Square Bar | Nā Kūlana Scad Square no ka hoʻohanaʻana i nā mea hoʻohana. | Nā wahi kūkulu, nā brackets, a me nā hui. |
| Hexagon Bar | ʻO Hexagonal Shapes no nā mea paʻa kūikawā. | Nā bolts, Nā Kahu, a me nā'āpanaʻenehana. |
| Channels | U-shaped Products no ke kākoʻo kākoʻo. | Hale kūʻai, ʻO Aerospace Robs. |
10. Hopena
7075 ʻO Aluminim he alloy maikaʻi e hoʻohui i ka ikaika kiʻekiʻe, māmā māmā, a me nā waiwai maikaʻi loa.
Hāʻawi i kēlā me kēia helu makua i nā hiʻohiʻona kūikawā, aeʻae i nā meaʻenehana a me nā mea hana e koho i nā mea kūpono kūpono no kā lākou mau pono.
Ināʻoe e hana ana ma nā papahana aerospace, nā'āpana automotive, a iʻole nā mea hana pāʻani hāmeʻa kiʻekiʻe, 7075 He kūpono kūponoʻo Aluminim.
Ma ka hoʻomaopopoʻana i kāna huiʻana, waiwai, a me nā hana hana lole, Hiki iāʻoe ke hoʻonui i kona hiki a hoʻokō i nā hopena koʻikoʻi i kāu mau papahana.
Manaʻo mākou ua hāʻawi kēia alakaʻi iāʻoe me kaʻike koʻikoʻi i loko o nā waiwai o 7075 aluminum.
Inā he mau nīnau kāu a iʻole nā pono huahana huahana, lagona A hiki iā mākou. Hauʻoli hauʻoli!




