Kordhinta sharafta qaabdhismeedka
Is barid
FarshaxankaWeelka birtaWaxay u baahan tahay isku-darka iswaafajinta, saxnaanta iyo alaabada tayada leh si loo hubiyo sharafta qaab-dhismeedka codsiyada kala duwan. Waxaa ka mid ah noocyada badan ee tuubbada, spiard kaarboon galka birta, sida x42 tuubbada 'X42's SSAW Pipe, ayaa caan ku ah xoogga ugu sareeya, cimri dhererkooda. Bloggan, waxaan sahxi doonaa muhiimadda ay ku leeyihiin kaararka galka kaararka ah ee geedka tuban ee birta, oo ku xadgudbaya hanaanka wax soo saarka, faa'iidooyinka iyo aagagga dalabka.
Hantida farsamada
Fasalka birta | xoogga ugu yar | Awooda TSensile | Ugu yaraan dhererka | Tamarta saameynta ugu yar | ||||
Markhaati | % | J | ||||||
Dhumuc cayiman | Dhumuc cayiman | Dhumuc cayiman | heerkulka tijaabada ee | |||||
mm | mm | mm | ||||||
<16 | > 16 boqolkiiba | <3 | ≥30 | ≤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 | - | - |
Ka kooban kiimikada
Fasalka birta | Nooca de-oc-ka a | % cufnaanta, ugu badnaan | ||||||
Magaca steel | Lambarka birta | 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. Habka daahsoon ee loo yaqaan 'chox' ayaa loo qoondeeyay sida soo socota: | ||||||||
FF: Birta si buuxda u dhintey walxaha ku dhaca nitrogen-ka qaddarka ku filan ee lagu xidho nitrogen-ka la heli karo (tusaale ahaan Min. 0,020% wadarta al ama 0,015% isku-darka al). | ||||||||
b. Qiimaha ugu badan ee nitrogen ma quseeyo hadii ka kooban kiimikada ay muujiso ugu yaraan maadooyinka ugu yar ee ah 0,020% iyadoo ugu yar ee al / n cabirkiisu yahay 2: 1, ama haddii ay ku filan yihiin waxyaabo kale oo ku filan oo kale. Waxyaabaha n-majaajillada ah waa in lagu diiwaangeliyaa dukumintiga kormeerka. |
Habka wax soo saarka
Tuubbada dharka lagu dhaqo, oo sidoo kale loo yaqaan SSAW (Arcrial Arc Well Werdeden) oo loo adeegsado iyadoo la adeegsanayo farsamooyinka al-ku-saleysan ee Arc. Hawshu waxay ku bilaabmaysaa daweyn dhanka sare ee xargaha labka ah ee xirxiran daboolka daboolka ka dibna ku dheji xargaha qaabka wareega. Altomatic otomatiga ah ee ka dib ayaa loo isticmaalaa in lagu biiro cidhifyada xargaha oo wada jir ah, oo abuuraya wanaagga isdaba-joogga ah ee dhererka tuubbada. Qaabkani wuxuu xaqiijinayaa in wadajirka ay xoog badan tahay oo waara iyadoo ay yareynayso ciladaha iyo joogtaynta sharafta qaab-dhismeedka.
Faa'iidooyinka loo yaqaan 'spiral' oo ah tuubbada birta oo kale
1. Xoog iyo cimri dherer:Wareer xargaha kaarboonka ee kaararka birtaWaxaa lagu yaqaanaa xooggiisa iyo cimri dhererkooda, taasoo ka dhigeysa mid ku habboon codsiyada u baahan iska caabin cadaadis sareeya iyo waxqabadka muddada-dheer.
2. Waxqabadka-waxtarka: Tuubooyinkani waxay bixiyaan xalka qiimaha wax ku oolka ah ee ay sabab u tahay hannaankooda wax soosaarka ee hufan, qarashka cayriin ee hoose, iyo hoos udhaca shuruudaha shaqada marka loo eego noocyada kale ee tuubooyinka kale.
3. Perricililililililililililililililililility: Awoodda u ah Twiled Burboon birta ee loo yaqaan 'kaarboon bir' oo kale ayaa loo oggolaanayaa in lagu isticmaalo codsiyo fara badan, oo ay ku jiraan gaadiid, gaadiid saliid iyo gaas, nidaamyo bullaacad, iyo hanaan bulsheed oo kala duwan.
4. Xaqiijinta cabirka cabbirka
Aagagga dalabka
1. Shidaalka gaaska iyo gaaska dabiiciga ah Xooggooda iyo kartidooda u adkeysiga jawiga cadaadiska safka sareeya ayaa ku habboon inay ku habboon yihiin dhuumaha masaafada dheer.
2. Biyo gudbinta biyaha ee degmada ama ujeeddooyinka waraabinta, ujeeddada waraabka, xargaha kaarboon bir ah ee loo yaqaan 'kaarboon bir' ah ayaa u keenaya xalka ugu fiican caabbinta, xoogga iyo fududeynta rakibaadda.
3. Taageero qaab dhismeed: noocan ah tuubbada noocan ah waxaa si weyn loogu isticmaalaa warshadaha dhismaha si loo bixiyo taageero qaab dhismeed oo loogu talagalay dhismayaasha, buundooyinka, godadka iyo mashaariicda kale ee kaabayaasha kale. Wadadkooda iyo iska caabbinta walxaha dibedda ah ayaa iyaga ka dhigaya kuwo lagu kalsoonaan karo codsiyadan oo kale.
4.
Gunaanad
Ku wareeji kaarboonka bir yar oo birnbon bir ah, sidaX42 SSAW TOOT, waxay ka hadashay hanaanka alxaminta ee birta, taasoo faa iido badan u keenta warshadaha kala duwan. Awoodooda, cimrigooda, qiimaha waxtarka iyo muuqaalka cabirka ee saxda ah waxay hubisaa daacadnimada qaab-dhismeedka codsiyada kala duwan. Awoodda looga hortagayo cadaadiska aadka u daran, heerkulka iyo jawiga wasakhaysan ayaa ka dhigaya mid ku habboon gudbinta saliida iyo gaaska, bixinta biyaha iyo qaybaha kale ee warshadaha. Sidaa darteed, markii ay timaado alxanta birta, isticmaalka pipe-ka ee khafiifka ah ee cagaaran birta lagu kalsoonaan karo ayaa ah mid lagu kalsoonaan karo oo hufan si loo hubiyo kaabayaasha muddada dheer iyo adkeysiga.
Imtixaanka Hydrostatic
Dherer kasta oo tuubbada ah waxaa tijaabinaya soo-saaraha si uu u soo saaro cadaadis hawo-mareenka ah oo ku soo saari doona tuubbada gidaarka ee walbahaarka aan ka yarayn 60% xoogga dhalidda ugu yar ee ugu yar ee heerkulka qolka. Cadaadiska waxaa lagu go'aamin doonaa isleegtan soo socda:
P = 2st / d
Kala duwanaanshaha la oggol yahay ee culeyska iyo cabbirrada
Dherer kasta oo tuubbada ah ayaa loo miisaamaa si gooni gooni ah oo miisaankeedana kama duwana in ka badan 10% in ka badan ama 5.5% hoostiisa miisaankiisa, oo lagu xisaabiyo iyadoo la adeegsanayo dhererkeeda iyo miisaankeeda dhererkeeda
Dhexroorkii dibaddu kuma kala duwanaan doono in ka badan ± 1% laga soo bilaabo dhexroorkii dibedda ee dibedda loo cayimay
Dhumucda darbiga dhibic kasta ma aha wax ka badan 12.5% oo ka hooseeya dhumucda darbiga ee la cayimay