ʻO ka paipu kila humuhumu A335P92, kikoʻī 48.3 * 7.14 (ʻo ia hoʻi ke anawaena o waho 48.3mm, ka mānoanoa o ka paia 7.14mm), ma ke ʻano he paipu paila kiʻekiʻe, ʻo kona kūlana hoʻokō ʻo ASTM A335M. Eia kahi loiloi kikoʻī o ka paipu kila:
I. ʻIke kumu o nā paipu paila kila
ʻO ka paipu kila humuhumu ʻole A335P92 he ʻano paipu kila humuhumu ʻole me ke kiʻekiʻe o ke ana wela a me ke kaomi kiʻekiʻe, i hoʻohana nui ʻia i nā wahi mahana a me ke kaomi kiʻekiʻe e like me ka paipu mahu nui a me ka paipu mahu hoʻomehana hou o nā mea kanu mana wela. ʻO kāna mea hana he P92, nona ka helu kila ASTM A335 P92 martensitic heat-resistant steel o ʻAmelika Hui Pū ʻIa.
ʻO ka lua, ka haku mele kemika o nā paipu paila kila
Hoʻoponopono pololei ʻia ka hoʻonohonoho kemika o ka paipu kila humuhumu A335P92, ʻo ia hoʻi ke kalapona, manganese, phosphorus, sulfur, silicon, chromium, molybdenum, vanadium, nitrogen, nickel, alumini, niobium, tungsten a me boron a me nā mea ʻē aʻe. ʻO ka laulā kikoʻī penei:
Kalapona (C): 0.07~0.13%
Manganese (Mn) : 0.30-0.60%
ʻO ka phosphorus (P): ≤0.020%
Sulfur (S): ≤0.010%
Silika (Si): ≤0.50%
Chromium (Cr): 8.5~9.50%
Molybdenum (Mo): 0.30~0.60% (akā he mea kūpono ke hoʻomaopopo ʻana i ka hoʻohālikelike ʻana me ke kila SA-335P91, hoʻemi kūpono ke kila SA-335P92 i ka nui o ka mea Mo, a hoʻomaikaʻi i ka hana o ka mea ma ka hoʻohui ʻana i kahi nui o W)
Vanadium (V): 0.15~0.25%
Naikokene (N): 0.03~0.07%
Nikala (Ni): ≤0.40%
Alumini (Al): ≤0.04%
Niobium (Nb): ≤0.040~0.09%
Tungsten (W): 1.5~2.0%
Boron (B): 0.001~0.006%
ʻO ka hapa kūpono o kēia mau mea e hana ai i ka paipu kila humuhumu A335P92 i ke kūpaʻa kiʻekiʻe o ka palaho, ke kūpaʻa oxidation, ka ikaika wela kiʻekiʻe a me nā waiwai kolo.
3. Nā waiwai mechanical o nā paipu paila kila
ʻO ka paipu kila humuhumu A335P92 he mau waiwai mechanical maikaʻi loa, e like me kēia:
Ikaika tensile: ≥620MPa
Ikaika hāʻawi: ≥440MP
Hoʻopaʻa kēia mau waiwai mechanical i ka palekana a me ka hilinaʻi o nā paipu kila ma nā wahi wela kiʻekiʻe a me ke kaomi kiʻekiʻe.
4. Kahua noi o nā paipu paila kila
ʻO ka paipu kila humuhumu A335P92, ma muli o kona ʻano hana maikaʻi loa, ua hoʻohana nui ʻia ma nā kahua aʻe:
Mea hana mana wela: ma ke ʻano he mea nui no ka paipu mahu nui a me ka paipu mahu i hoʻomehana hou ʻia, hiki iā ia ke kū i ke kiʻekiʻe o ka mahana a me ke kaomi kiʻekiʻe e hōʻoia i ka hana palekana o ka mea hana mana.
Petrochemical: I ke kaʻina hana o ka hoʻomaʻemaʻe ʻana i ka petroleum a me ka hana kemika, hoʻohana ʻia ia e hana i nā lako e like me nā reactors, nā mea hoʻololi wela a me nā pipeline hoʻoili e hoʻokō ai i nā koi o ke kiʻekiʻe o ka mahana a me ke kaomi a me ke kūpaʻa ʻana i ka corrosion.
ʻOihana ikehu nukelea: I loko o nā mea kanu mana nukelea, hoʻohana ʻia e hana i nā ʻōnaehana hoʻoluʻu reactor nukelea a me nā pipeline pili e hōʻoia i ka palekana a me ke kūpaʻa o ka hana mana nukelea.
5. Nā kūlana hoʻokō a me nā kuhikuhi kauoha o nā paipu paila kila
Ua kūlike ka paipu kila humuhumu ʻole A335P92 me ke kūlana hoʻokō ASTM A335/A335M. I ke kauoha ʻana, pono e maopopo ka ʻike aʻe:
Ka nui (e laʻa me nā kapuaʻi, mika, a i ʻole nā aʻa)
Inoa mea (paipu kila kila humuhumu ʻole)
Papa (P92)
ʻAno hana (hoʻopau wela a kaha kiʻi anu paha)
Nā kikoʻī (e laʻa me ke anawaena o waho, ka mānoanoa o ka paia, a pēlā aku)
Ka lōʻihi (ka nui i māhele ʻia a me ka nui loli)
Hoʻopau i ka mīkini ʻana
Nā koi koho (e laʻa me ke kaomi wai a me ka ʻokoʻa kaumaha i ʻae ʻia)
Hōʻike hoʻāʻo i koi ʻia
Helu maʻamau
Nā koi kūikawā a i ʻole nā koi hoʻohui koho ʻē aʻe
I ka hōʻuluʻulu manaʻo, ʻo ka paipu kila humuhumu ʻole A335P92 he paipu kila humuhumu ʻole me ke ana wela kiʻekiʻe a me ke kaomi kiʻekiʻe, kahi i hoʻohana nui ʻia ma nā ʻano he nui me kona mau ʻano hana maikaʻi loa. I ke kauoha ʻana a me ka hoʻohana ʻana, pono e hoʻokō pono i nā kūlana a me nā koi kūpono e hōʻoia i kona palekana a me ka hilinaʻi.
Welina mai e hoʻokaʻaʻike mai iā mākou no nā kikoʻī hou aku!
https://www.womicsteel.com/news/womic-steel-produced-precision-seamless-cold-drawn-steel-pipestubes/
Ka manawa hoʻouna: Iulai-16-2024