Paipu Laina SSAW X65 Superior: He Hoʻonā Kiʻekiʻe no ka ʻOihana Paipu Kūpono a Hilinaʻi
Hoʻolauna:
I ka hoʻonui ʻana o ka ʻoihana a me ka ulu ʻana o ka heluna kanaka, ʻo ka pono no ka lawe pono ʻana i ka ʻaila, ke kinoea kūlohelohe, a me nā mea ʻē aʻe e lilo i mea nui loa. ʻO ke kūkulu ʻana a me ka mālama ʻana i nā ʻōnaehana paipu he kuleana koʻikoʻi ia i ka hōʻoia ʻana i ke kahe mau ʻana o nā kumuwaiwai honua. Ma kēia ʻano,Paipu laina X65 SSAWua kū mai ma ke ʻano he hopena ʻoi loa, e hāʻawi ana i ka maikaʻi kiʻekiʻe a me ka pono kūpono ʻole i nā hana pipeline.
Waiwai Mīkini
| papa kila | ka ikaika hua haʻahaʻa loa | Ikaika tensile | Ka hoʻolōʻihi iki ʻana | Ka ikehu hopena haʻahaʻa loa | ||||
| Mānoanoa i kuhikuhi ʻia | Mānoanoa i kuhikuhi ʻia | Mānoanoa i kuhikuhi ʻia | ma ka mahana hoʻāʻo o | |||||
| <16 | ＞16≤40 | ＜3 | ≥3≤40 | ≤40 | -20℃ | 0℃ | 20℃ | |
| S235JRH | 235 | 225 | 360-510 | 360-510 | 24 | - | - | 27 |
| S275J0H | 275 | 265 | 430-580 | 410-560 | 20 | - | 27 | - |
| S275J2H | 27 | - | - | |||||
| S355J0H | 365 | 345 | 510-680 | 470-630 | 20 | - | 27 | - |
| S355J2H | 27 | - | - | |||||
| S355K2H | 40 | - | - | |||||
He aha ka paipu laina welded spiral submerged arc X65?
ʻO ka paipu laina X65 SSAW (submerged arc welded) kahi ʻano paipu kila i hoʻohana nui ʻia mapaipuke kūkulu ʻana ma ka ʻoihana aila a me ke kinoea. ʻO ka hui pū ʻana o ka ikaika, ke kūpaʻa a me ka hana kupaianaha o kēia paipu laina ua lilo ia i koho mua no nā papahana like ʻole a puni ka honua.
Ikaika a me ke kūpaʻa:
ʻO kekahi o nā hiʻohiʻona koʻikoʻi e hoʻokaʻawale ai i ka paipu laina welded arc spiral submerged X65 ʻo ia kona ikaika a me ke kūpaʻa. Hana ʻia me ke kila kiʻekiʻe, he kūpaʻa ikaika kona i ke kaomi kūloko a me waho. ʻO kēia ka mea e koho maikaʻi loa ai no nā noi aila a me ke kinoea koi, e hōʻoiaʻiʻo ana he hilinaʻi a lōʻihi ke ʻano o ke kahua.
Ka pono o ka hana ʻana o ka paipu:
He mea koʻikoʻi ka pono i ka lawe ʻana i nā kumuwaiwai ma o nā paipu. ʻOi aku ka maikaʻi o ka paipu laina X65 SSAW ma kēia wahi, e hāʻawi ana i ke kahe mālie me ka liʻiliʻi o ka friction, a laila e hōʻemi ana i ka hoʻohana ʻana i ka ikehu i ka wā o ka lawe ʻana. Kōkua kēia pono i ka mālama ʻana i nā kumukūʻai a me ka hōʻemi ʻana i ka hopena o ke kaiapuni, e lilo ia i koho aloha i ke kaiapuni.
Ka Hoʻohui Kemika
| Papa kila | ʻAno o ka de-oxidation a | % ma ke kaumaha, ka nui loa | ||||||
| Inoa kila | Helu kila | C | C | Si | Mn | P | S | Nb |
| S235JRH | 1.0039 | FF | 0,17 | — | 1,40 | 0,040 | 0,040 | 0.009 |
| S275J0H | 1.0149 | FF | 0,20 | — | 1,50 | 0,035 | 0,035 | 0,009 |
| S275J2H | 1.0138 | FF | 0,20 | — | 1,50 | 0,030 | 0,030 | — |
| S355J0H | 1.0547 | FF | 0,22 | 0,55 | 1,60 | 0,035 | 0,035 | 0,009 |
| S355J2H | 1.0576 | FF | 0,22 | 0,55 | 1,60 | 0,030 | 0,030 | — |
| S355K2H | 1.0512 | FF | 0,22 | 0,55 | 1,60 | 0,030 | 0,030 | — |
| a. Ua kapa ʻia ke ʻano deoxidation penei: FF: Ke kila i pepehi piha ʻia me nā mea hoʻopaʻa naikokene i nā nui e lawa ai e hoʻopaʻa i ka naikokene i loaʻa (e laʻa me ka liʻiliʻi he 0,020% Al āpau a i ʻole 0,015% Al hiki ke hoʻoheheʻe ʻia). b. ʻAʻole pili ka waiwai kiʻekiʻe loa no ka naikokene inā hōʻike ka hoʻohui kemika i ka liʻiliʻi loa o ka nui o Al he 0,020% me ka liʻiliʻi loa o ka lakio Al/N he 2:1, a i ʻole inā lawa nā mea hoʻopaʻa N ʻē aʻe. Pono e hoʻopaʻa ʻia nā mea hoʻopaʻa N ma ka Palapala Nānā. | ||||||||
Kūpaʻa i nā ʻano ʻino:
Ke hele nei nā pūnaewele paipu i nā ʻano kaiapuni like ʻole, me nā kaiapuni ʻino a me nā ʻino. Ua hōʻoia ka paipu laina welded arc spiral submerged X65 i kona ʻoi aku ka maikaʻi ma ia mau kūlana ma muli o kona kūpaʻa maikaʻi loa i ka pala, ka abrasion a me nā mea o waho ʻē aʻe. Hōʻoia kēia kūpaʻa i ka pono o ka ʻōnaehana paipu, hoʻemi i nā kumukūʻai mālama, a hoʻemi i ka pilikia o nā leaka a i ʻole nā hemahema.
ASD:
He mea koʻikoʻi ka mālama ʻana i nā hana paipu palekana. Hoʻoikaika ka paipu laina X65 SSAW i ka palekana ma o ka hāʻawi ʻana i nā waiwai mechanical maikaʻi loa a me ka pololei o ke ana. Ma o nā hana kaohi maikaʻi, mālama ka paipu i ke kūpaʻa o ke ʻano e pono ai ke kū i nā kaomi kiʻekiʻe a me nā kūlana hana paʻakikī, e hōʻoiaʻiʻo ana i ka palekana o nā limahana a me nā kumuwaiwai.
I ka hopena:
ʻO ka paipu laina X65 SSAW kahi hopena maikaʻi loa i ke kūkulu ʻana a me ka mālama ʻana i nā ʻōnaehana paipu. ʻO kona ikaika, ka lōʻihi, ka pono a me ke kūʻē ʻana i nā ʻano ʻino e lilo ia i koho maikaʻi loa no ka ʻoihana aila a me ke kinoea a me nā ʻoihana ʻē aʻe e hilinaʻi nei i ka lawe ʻana i nā kumuwaiwai. Hāʻawi ka paipu laina X65 SSAW i ka mālama kālā, ke kūpaʻa o ke kaiapuni a me ka hōʻoia palekana, e lilo ia i waiwai nui no nā hana paipu e ʻimi nei i ka hilinaʻi a me ka pono.
No laila, inā ʻoe e hoʻomaka ana i kahi papahana paipu, ʻo ka noʻonoʻo ʻana i ka paipu laina X65 SSAW he koho naʻauao ia e hōʻoiaʻiʻo ana i ka hana maikaʻi loa a me ka holomua lōʻihi. E hoʻopukapuka i kēia hopena kiʻekiʻe a ʻike i ka hopena hoʻololi hiki iā ia ke loaʻa ma kāu ʻōnaehana paipu.
