Paipu Humuhumu Spiral Kiʻekiʻe
Ke hoʻolauna nei i kā mākou paipu wili-seam kiʻekiʻe, kahi huahana e hōʻike ana i ka ikaika, ke kūpaʻa a me ka ʻenekinia pololei. Hana ʻia me ka hoʻohana ʻana i kahi kaʻina hana wiliwili holomua, hana ʻia kā mākou mau paipu mai nā wili kila i ʻōwili wela ʻia i hana pono ʻia i loko o ke ʻano cylindrical a hoʻopaʻa ʻia ma ke kaula wiliwili. ʻAʻole wale kēia ʻenehana hana hou e hoʻonui i ka pono o nā paipu, akā hōʻoia pū kekahi e hiki iā lākou ke kū i nā noi koi loa.
Ma kā mākou hui, ke haʻaheo nei mākou i kā mākou kūpaʻa paʻa ʻole i ka ʻoluʻolu o ka mea kūʻai aku. I nā makahiki i hala iho nei, ua kūkulu mākou i kahi inoa no ka maikaʻi loa ma ka hoʻokau mua ʻana i nā pono o kā mākou mea kūʻai aku i kēlā me kēia pae o ke kaʻina kūʻai. Mai ke kūkākūkā mua ʻana i ke kūʻai aku a hiki i ke kākoʻo kūʻai aku a me nā lawelawe piha ma hope o ke kūʻai aku, ua kūpaʻa mākou i ka hoʻokō ʻana i nā pono āpau o kā mākou mea kūʻai aku. ʻO kēia ʻano hana i kau ʻia ma ke kikowaena o ka mea kūʻai aku ua loaʻa iā mākou ka hilinaʻi a me ke kūpaʻa o kā mākou mea kūʻai aku, ka poʻe e mahalo mau ana i ka maikaʻi o kā mākou huahana a me ka hilinaʻi o kā mākou lawelawe.
ʻO kā mākou kūlana kiʻekiʻepaipu humuhumu ʻōwilihe kūpono ia no nā ʻano hana like ʻole, me ke kūkulu ʻana, ka ʻaila a me ke kinoea, a me ka halihali moana. Me kona ikaika kiʻekiʻe a me ke kūpaʻa, ua hoʻolālā ʻia e kū i ke kaomi a kū i ka pala, e lilo ia i hopena lōʻihi no kāu mau pono paipu.
Nā kikoʻī huahana
| Nā Waiwai Kino a me nā Kemika Nui o nā Paipu Kila (GB/T3091-2008, GB/T9711-2011 a me API Spec 5L) | ||||||||||||||
| Kūlana Maʻamau | Papa kila | Nā ʻāpana kemika (%) | Waiwai Tensile | Hoʻāʻo hopena Charpy (V notch) | ||||||||||
| c | Mn | p | s | Si | ʻĒ aʻe | Ka ikaika hāʻawi (Mpa) | Ikaika Tensile (Mpa) | (L0=5.65 √ S0)Ka wikiwiki o ke kīkoʻo ʻana o ka min (%) | ||||||
| ka nui loa | ka nui loa | ka nui loa | ka nui loa | ka nui loa | minuke | ka nui loa | minuke | ka nui loa | D ≤ 168.33mm | D > 168.3mm | ||||
| GB/T3091 -2008 | Q215A | ≤ 0.15 | 0.25 <1.20 | 0.045 | 0.050 | 0.35 | Hoʻohui ʻia ʻo NbVTi e like me GB/T1591-94 | 215 | 335 | 15 | > 31 | |||
| Q215B | ≤ 0.15 | 0.25-0.55 | 0.045 | 0.045 | 0.035 | 215 | 335 | 15 | > 31 | |||||
| Q235A | ≤ 0.22 | 0.30 <0.65 | 0.045 | 0.050 | 0.035 | 235 | 375 | 15 | >26 | |||||
| Q235B | ≤ 0.20 | 0.30 ≤ 1.80 | 0.045 | 0.045 | 0.035 | 235 | 375 | 15 | >26 | |||||
| Q295A | 0.16 | 0.80-1.50 | 0.045 | 0.045 | 0.55 | 295 | 390 | 13 | >23 | |||||
| Q295B | 0.16 | 0.80-1.50 | 0.045 | 0.040 | 0.55 | 295 | 390 | 13 | >23 | |||||
| Q345A | 0.20 | 1.00-1.60 | 0.045 | 0.045 | 0.55 | 345 | 510 | 13 | >21 | |||||
| Q345B | 0.20 | 1.00-1.60 | 0.045 | 0.040 | 0.55 | 345 | 510 | 13 | >21 | |||||
| GB/T9711-2011(PSL1) | L175 | 0.21 | 0.60 | 0.030 | 0.030 | Koho e hoʻohui i kekahi o nā mea NbVTi a i ʻole kekahi hui pū ʻana o lākou | 175 | 310 | 27 | Hiki ke koho ʻia hoʻokahi a ʻelua paha o ka helu kuhikuhi paʻakikī o ka ikehu hopena a me ka ʻāpana shearing. No L555, e ʻike i ke kūlana. | ||||
| L210 | 0.22 | 0.90 | 0.030 | 0.030 | 210 | 335 | 25 | |||||||
| L245 | 0.26 | 1.20 | 0.030 | 0.030 | 245 | 415 | 21 | |||||||
| L290 | 0.26 | 1.30 | 0.030 | 0.030 | 290 | 415 | 21 | |||||||
| L320 | 0.26 | 1.40 | 0.030 | 0.030 | 320 | 435 | 20 | |||||||
| L360 | 0.26 | 1.40 | 0.030 | 0.030 | 360 | 460 | 19 | |||||||
| L390 | 0.26 | 1.40 | 0.030 | 0.030 | 390 | 390 | 18 | |||||||
| L415 | 0.26 | 1.40 | 0.030 | 0.030 | 415 | 520 | 17 | |||||||
| L450 | 0.26 | 1.45 | 0.030 | 0.030 | 450 | 535 | 17 | |||||||
| L485 | 0.26 | 1.65 | 0.030 | 0.030 | 485 | 570 | 16 | |||||||
| API 5L (PSL 1) | A25 | 0.21 | 0.60 | 0.030 | 0.030 | No ke kila papa B, Nb+V ≤ 0.03%; no ke kila ≥ papa B, koho e hoʻohui iā Nb a i ʻole V a i ʻole kā lākou hui pū ʻana, a me Nb+V+Ti ≤ 0.15% | 172 | 310 | (L0=50.8mm)e helu ʻia e like me kēia ʻano hana:e=1944·A0 .2/U0 .0 A:Kahi o ka laʻana ma mm2 U: Ka ikaika tensile i kuhikuhi ʻia ma Mpa | ʻAʻohe a i ʻole kekahi a i ʻole nā mea ʻelua o ka ikehu hopena a me ka ʻāpana shearing e koi ʻia ma ke ʻano he pae paʻakikī. | ||||
| A | 0.22 | 0.90 | 0.030 | 0.030 | 207 | 331 | ||||||||
| B | 0.26 | 1.20 | 0.030 | 0.030 | 241 | 414 | ||||||||
| X42 | 0.26 | 1.30 | 0.030 | 0.030 | 290 | 414 | ||||||||
| X46 | 0.26 | 1.40 | 0.030 | 0.030 | 317 | 434 | ||||||||
| X52 | 0.26 | 1.40 | 0.030 | 0.030 | 359 | 455 | ||||||||
| X56 | 0.26 | 1.40 | 0.030 | 0.030 | 386 | 490 | ||||||||
| X60 | 0.26 | 1.40 | 0.030 | 0.030 | 414 | 517 | ||||||||
| X65 | 0.26 | 1.45 | 0.030 | 0.030 | 448 | 531 | ||||||||
| X70 | 0.26 | 1.65 | 0.030 | 0.030 | 483 | 565 | ||||||||
Pōmaikaʻi Huahana
1. ʻO kekahi o nā pono nui o ka paipu humuhumu wiliwili ʻo ia kona ikaika maikaʻi loa. ʻO ke kaʻina hana wiliwili e hiki ai ke hoʻomau i ka wiliwili ʻana, a laila e hoʻomaikaʻi ana i ke kūpaʻa o ke ʻano o ka paipu. ʻO kēia ka mea e kūpono ai lākou no ka lawe ʻana i nā wai a me nā kinoea ma lalo o ke kaomi kiʻekiʻe.
2. He kūpono ke kaʻina hana ʻana, e ʻae ana i nā paipu lōʻihi e hana ʻia me ka ʻole o ka pono no nā hui, hiki ke lilo i mau wahi nāwaliwali.
3. ʻO kekahi pono koʻikoʻi opaipu humuhumu helicalʻo kona versatility. Hiki ke hana ʻia i nā ʻano diameters a me nā mānoanoa o ka paia no nā ʻano hana like ʻole mai ka lawe ʻana i ka aila a me ke kinoea a i nā ʻōnaehana wai.
4. Hoʻokumu nā ʻoihana e hana ana i kēia mau paipu i ka ʻoluʻolu o ka mea kūʻai aku a hāʻawi i nā lawelawe kūʻai mua, kūʻai aku, a ma hope o ke kūʻai aku. Hōʻoia kēia kūpaʻa e loaʻa i nā mea kūʻai aku nā huahana i kūpono i kā lākou mau pono kikoʻī, e hoʻonui ana i ka ʻike holoʻokoʻa.
Ka hemahema o ka huahana
1. Hiki ke ʻoi aku ka paʻakikī o ke kaʻina hana kuʻihao wili ma mua o nā ʻano kuʻihao kuʻuna, kahi e hiki ai ke hoʻonui i nā kumukūʻai hana.
2. ʻOiai he ikaika nā paipu humuhumu wili, ʻaʻole paha lākou e kūpaʻa i kekahi ʻano popopo ma mua o nā mea paipu ʻē aʻe a koi ʻia nā uhi pale a i ʻole nā lāʻau lapaʻau.
Nā nīnau i nīnau pinepine ʻia
Q1: He aha ka paipu humuhumu wili?
Hana ʻia ka paipu humuhumu wili me ka hoʻohana ʻana i kahi ʻano hana kūikawā i kapa ʻia ʻo ke kaʻina hana wiliwili. Hoʻopili kēia ʻenehana hou i nā wili kila i ʻōwili wela ʻia i loko o ke ʻano cylindrical a hoʻopaʻa ʻia ma kahi humuhumu wiliwili. ʻAʻole wale ka ikaika kiʻekiʻe o ka paipu hopena akā he kūpaʻa maikaʻi loa hoʻi, e kūpono ana no nā ʻano hana like ʻole, me ka lawe ʻana i ka ʻaila a me ke kinoea, ka lako wai a me ke kākoʻo kūkulu.
Q2: No ke aha e koho ai i ka paipu humuhumu wili kiʻekiʻe?
ʻO ka pōmaikaʻi nui o nā paipu humuhumu wili kiʻekiʻe ʻo ia ko lākou kūkulu ikaika. ʻO ke kaʻina hana wiliwili e ʻae ai i ka wili mau ʻana, kahi e hoʻonui ai i ke kūpaʻa a me ke kūpaʻa o ke kaomi o ka paipu. Eia kekahi, hiki ke hana ʻia kēia mau paipu i nā nui like ʻole a me nā mānoanoa e hoʻokō ai i nā pono kikoʻī o nā papahana like ʻole.
Q3: He aha kaʻu e nānā ai ma kahi mea hoʻolako?
I ke koho ʻana i kahi mea hoʻolako paipu humuhumu wili, he mea nui e koho i kahi ʻoihana e kau mua i ka ʻoluʻolu o ka mea kūʻai aku. E ʻimi i kahi mea hoʻolako e hāʻawi ana i nā lawelawe kūʻai mua, kūʻai aku, a ma hope o ke kūʻai aku. E hōʻoia kahi ʻoihana kaulana e hoʻokō kāna huahana i nā kikoʻī i hoʻokumu ʻia a hiki ke hoʻokō i kāu mau koi kūikawā, e hōʻoia ana e loaʻa iā ʻoe nā huahana a me nā lawelawe kiʻekiʻe e mahalo ai kāu poʻe kūʻai.








