Fa'idodin Bututun Karfe na A252 Grade 3 da ake Amfani da su a Gina Bututun Magudanar Ruwa da Man Fetur
Ɗaya daga cikin mahimman fa'idodin amfani dabututun ƙarfe na A252 Grade 3 ƙarfi da juriyarsa na musamman ne. Waɗannan bututun an yi su ne da ƙarfe mai inganci kuma suna da matuƙar juriya ga tsatsa, lalacewa da tasiri. Wannan ya sa suka dace da amfani a bututun najasa inda za su iya fuskantar abubuwa masu lalata da nauyi mai yawa. Bugu da ƙari, ƙarfinsu da dorewarsu sun sa su dace da amfani a ginin bututun mai, domin dole ne su jure matsin lamba mai yawa da canjin yanayin muhalli.
| Daidaitacce | Karfe Grade | Sinadaran da ke cikinsa (%) | Kadarar Tashin Hankali | Charpy(V notch) Gwajin Tasiri | ||||||||||
| c | Mn | p | s | Si | Wani | Ƙarfin Ba da Kyauta(Mpa) | Ƙarfin Taurin Kai(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 | Ɗaya ko biyu daga cikin ma'aunin tauri na Ana iya zaɓar wurin da za a iya yankewa da kuma makamashin tasiri. L555, duba mizanin. | ||||
| 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 | Don ƙarfe mai daraja B, Nb+V ≤ 0.03%; don ƙarfe ≥ aji B, ƙara Nb ko V ko su na zaɓi haɗuwa, da Nb+V+Ti ≤ 0.15% | 172 | 310 | (L0 = 50.8mm) don zama an ƙididdige shi bisa ga dabarar da ke ƙasa: e=1944·A0 .2/U0 .0 A: Yankin samfurin a cikin mm2 U: Ƙarfin taurin da aka ƙayyade kaɗan a cikin Mpa | Babu ko ɗaya ko kuma duka biyun tasirin makamashi da aski ana buƙatar yanki 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 | ||||||||
Wani fa'idar bututun ƙarfe na A252 Grade 3 shine sauƙin amfani da shi. Waɗannan bututun suna samuwa a girma dabam-dabam da kauri, wanda hakan ya sa suka dace da amfani iri-iri. Ko gina ƙaramin abulayin najasako kuma babban layin bututun mai, ana iya keɓance bututun ƙarfe na A252 Grade 3 cikin sauƙi don biyan takamaiman buƙatun aikin. Bugu da ƙari, ana iya yin waɗannan bututun a cikinbututun tsarin da ke da rami, ƙara faɗaɗa amfani da su a ayyukan gini.
Baya ga ƙarfi da sauƙin amfani da bututun ƙarfe na A252 Grade 3, an kuma san shi da ingancinsa na araha. Waɗannan bututun suna da sauƙin shigarwa kuma suna buƙatar ƙaramin gyara, wanda ke rage farashin aikin gabaɗaya. Bugu da ƙari, tsawon rayuwarsu da juriyarsu ga tsatsa suna tabbatar da cewa suna ba da riba mai ƙarfi akan jarin magudanar ruwa da kumabututun mai layiayyukan gini.
Wata babbar fa'ida ta bututun ƙarfe na A252 Grade 3 ita ce dacewarsa da hanyoyi daban-daban na gini. Ana iya shigar da waɗannan bututun ta amfani da hanyoyin haƙa rami na gargajiya ko dabarun da ba su da ramuka kamar haƙa rami a kwance, jacking na bututu ko ƙaramin rami. Wannan sassauci yana ba da damar shigarwa mai inganci da araha a cikin yanayi daban-daban masu ƙalubale, gami da yankunan birane, hanyoyin ruwa da yankunan da ke da haɗari ga muhalli.
Gabaɗaya, bututun ƙarfe na A252 Grade 3 yana ba da fa'idodi iri-iri don gina bututun magudanar ruwa da man fetur. Ƙarfinsu, juriyarsu, sauƙin amfani da kuma ingancinsu ya sa suka dace da waɗannan aikace-aikacen masu wahala. Ko ana amfani da su a ginin bututun magudanar ruwa ko mai, waɗannan bututun suna ba da ingantaccen aiki da ƙima na dogon lokaci. Sakamakon haka, sun kasance mafita mafi kyau ga injiniyoyi da 'yan kwangila waɗanda ke neman mafita mai ɗorewa da aminci ga bututun.








