Pipe Steel, ʻeleʻele a me ka wela zinc coatel i uhi ʻia i wili ʻia a ʻole
| Mea huahana | A/B |
| Hōʻike huahana | |
| Hoʻohana ʻia ka huahana maʻamau | ASTM A53 |
| Kūlana hoʻouna | |
| Puke huahana i pau | Puke hexagonal kāʻei kila/kiʻiʻoniʻoni/ʻeke ʻeke/ pūʻolo maʻa |
Kaʻina Hana Hana Huahana
Pākaʻi paipu
Nānā (ʻike spectral, nānā i ka ʻili, a me ka nānā ʻana)
ʻili ʻili
Puka
Nānā wela
Pickling
Nānā wili
Pickling
Lubrication
ʻO ke kiʻi anu (ʻo ka hoʻohui ʻana i nā kaʻina hana kaʻa e like me ka mālama ʻana i ka wela, pickling a me ke kiʻi anuanu e pono i nā kikoʻī kikoʻī)
Hoʻoponopono maʻamau
ʻO ka hoʻāʻo hana (waiwai mīkini, waiwai hopena, kulou, palahalaha, a me ka lapalapa)
Hoʻopololei
ʻoki paipu
ʻO ka hoʻāʻo ʻole luku (eddy current, a me ultrasonic)
Nānā huahana
Hoʻopili ʻana
Waihona
Mea Hana Hana Huahana
Mīkini ʻāhi/mikini ʻeli, kapuahi hele wāwae, perforator, mīkini huki anu anuanu, umu wela, a me ka mīkini hoʻopololei.
Lako Hoao Huahana
Ma waho o ka micrometer, tube micrometer, dial bore gauge, vernier caliper, kemika haku mele, spectral detector, tensile testing machine, Rockwell hardness test, impact testing machine, eddy current flaw detector, ultrasonic flaw detector, and hydrostatic testing machine
Nā noi huahana
ʻO nā ʻāpana ikaika a me nā puʻu
ʻO nā paipu mahu, ka wai, ke kinoea a me ka ea
ʻoihana koa