He aha ka ʻāpana hakahaka?
ʻO ka ʻāpana hakahaka (i kapa ʻia hoʻi he ʻāpana kūkulu hakahaka, HSS) he ʻano ʻaoʻao metala me kahi ʻāpana keʻa hakahaka, tubular. ʻAʻole e like me nā kaola paʻa, he māmā nā ʻāpana hakahaka akā ikaika, e kūpono ai lākou no nā hana kūkulu a me nā hana mechanical.
Nā ʻAno o nā ʻĀpana Hollow
Loaʻa nā ʻāpana hakahaka i ʻekolu mau ʻano nui:
| ʻAno | ʻAno | Hoʻohana maʻamau |
| ʻĀpana Pōʻai Lua (CHS) | ʻŌmole poepoe | Nā paipu, nā kolamu, nā mōlina hale kōmahana, nā ʻauamo lima |
| ʻĀpana Lua Huinahā (SHS) | Paipu huinahā | Nā mōlina, mīkini, kūkulu hale, nā kaola kākoʻo |
| ʻĀpana hakahaka huinahā (ʻākau) | Paipu huinahā | Nā ʻōnaehana kūkulu, nā puka pā, nā ʻāpana kaʻa |
Kaʻina Hana Hana
1. Ke hana ʻana - Ua ʻōwili ʻia nā pepa kila i ke ʻano (poepoe, huinahā, a ʻehā paha).
2. Kuʻihao – Kuʻihao ʻia nā lihi (e laʻa, ERW, SAW, a i ʻole nā ʻano hana seamless).
3. Ka nui a me ka hoʻopau ʻana - ʻOki i ka lōʻihi, hoʻomaʻemaʻe ʻia, a uhi ʻia (galvanized/pena ʻia inā pono).
Ka manawa hoʻouna: Iune-24-2025