Ƙarfin Bututun da aka haɗa da Welded a Aikace-aikacen Masana'antu
Bututun da aka haɗa guda biyuan gina su da walda guda biyu masu zaman kansu don samar da haɗin gwiwa mai ƙarfi da aminci tsakanin sassan bututu. Wannan tsarin walda biyu yana tabbatar da cewa bututun zai iya jure matsin lamba da matsin lamba da za a iya fuskanta yayin aiki, wanda hakan ya sa ya zama zaɓi mai aminci ga aikace-aikace masu mahimmanci inda gazawar ba zaɓi bane.
Ɗaya daga cikin manyan fa'idodin bututun da aka haɗa da walda biyu shine ikonsu na sarrafa yanayin matsin lamba mai yawa. Tsarin walda biyu yana haifar da haɗin gwiwa mai ƙarfi tsakanin sassan bututun, yana tabbatar da cewa suna iya jure matsin lamba na ciki ba tare da haɗarin zubewa ko lalacewa ba. Wannan yana sa su dace da aikace-aikace kamar bututun mai da iskar gas, inda ingancin tsarin bututun yake da mahimmanci ga aminci da ingancin aiki.
| Tebur na 2 Manyan Halayen Jiki da Sinadarai na Bututun Karfe (GB/T3091-2008, GB/T9711-2011 da API Specification 5L) | ||||||||||||||
| Daidaitacce | Karfe Grade | Sinadaran da ke cikinsa (%) | Kadarar Tashin Hankali | Gwajin Tasirin Charpy (V notch) | ||||||||||
| c | Mn | p | s | Si | Wani | Ƙarfin Yawa (Mpa) | Ƙarfin Tashin Hankali (Mpa) | (L0=5.65 √ S0 )min Ƙarfin Miƙewa (%) | ||||||
| matsakaicin | matsakaicin | matsakaicin | matsakaicin | matsakaicin | minti | matsakaicin | minti | matsakaicin | D ≤ 168.33mm | D > 168.3mm | ||||
| GB/T3091 -2008 | Q215A | ≤ 0.15 | 0.25 < 1.20 | 0.045 | 0.050 | 0.35 | Ƙara NbVTi daidai da 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 |
| Zaɓin ƙara ɗaya daga cikin abubuwan NbVTi ko duk wani haɗin su | 175 |
| 310 |
| 27 | Ana iya zaɓar ɗaya ko biyu daga cikin ma'aunin tauri na makamashin tasiri da yankin yankewa. Don L555, duba ma'aunin. | |
| 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 |
| Ga ƙarfe mai daraja B, Nb+V ≤ 0.03%; ga ƙarfe mai daraja ≥ B, ƙara Nb ko V ko haɗinsu na zaɓi, da Nb+V+Ti ≤ 0.15% | 172 |
| 310 |
| (L0=50.8mm) da za a ƙididdige bisa ga dabarar da ke ƙasa:e=1944·A0 .2/U0 .0 A:Yankin samfurin a cikin mm2 U: Ƙarfin da aka ƙayyade kaɗan a cikin Mpa | Babu ko ɗaya ko duka biyun makamashin tasiri da yankin yankewa da ake buƙata a matsayin ma'aunin tauri. | |
| 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 | |||||||
Baya ga ƙarfinsa, bututun da aka haɗa da welded biyu yana kuma iya jure yanayin zafi mai tsanani, wanda hakan ya sa ya dace da nau'ikan ayyukan masana'antu daban-daban. Ko dai jigilar ruwa mai zafi ko iskar gas, ko kuma aiki a cikin yanayi mai canjin yanayin zafi, bututun da aka haɗa da welded biyu yana kiyaye ingancin tsarinsa da aikinsa, yana tabbatar da ingantaccen aiki a ƙarƙashin mawuyacin yanayi.
Bugu da ƙari, dorewar bututun da aka haɗa da walda biyu ya sa ya zama zaɓi mai araha ga aikace-aikacen masana'antu. Ikonsu na jure lalacewa, tsatsa da sauran nau'ikan lalacewa yana nufin suna buƙatar ƙaramin gyara da maye gurbinsu, wanda ke rage farashin aiki gaba ɗaya da lokacin aiki.
Gabaɗaya, amfani da bututun da aka haɗa da walda biyu yana ba da fa'idodi iri-iri ga aikace-aikacen masana'antu, gami da ƙarfi, juriya da aminci. Ikonsu na jure matsin lamba mai yawa, yanayin zafi mai tsanani da kuma yanayi mai tsauri na muhalli ya sa suka dace da masana'antu daban-daban, tun daga mai da iskar gas zuwa sarrafa sinadarai. Tare da ingantaccen aiki da tarihin rayuwar sabis ɗinsa, bututun da aka haɗa da walda biyu kadara ce mai mahimmanci ga kowace tsarin bututun masana'antu.







