Tuubbooyinka dharka lagu dhejiyo ee loogu talagalay dhuumaha gaaska dhulka hoostiisa ee en10219
-Eenatuubooyinka dharka lagu dhejiyoXalka ugu fiican ee mashaariicda halka iska caabbinta la-dhigga iyo daacadnimada qaab-dhismeedka ay muhiim yihiin. Habka alxanka u gaarka ah ee gaarka ah ee u gaarka ah ee aan ku xoojineynin awoodda tuubbada, laakiin sidoo kale waxay bixisaa dusha aan kala go 'lahayn, yareynta halista daadadku iyo guul darrooyinka. Tani waxay ka dhigeysaa inay si gaar ah ugu habboon yihiin bay'adaha adag ee badanaa la kulma codsiyada dhulka hoostiisa.
Heerka EN100219 wuxuu hubiyaa in tuubooyinkayaga laga soo saaray si sax ah oo tayo leh, hubinta inay u adkeysan karaan cadaadiska iyo caqabadaha gaadiidka gaaska dabiiciga ah. Diirad saarida cimri dherer iyo isku halaynta, tuubooyinkayaga qummaysan ee is-wareejinta waxaa loogu talagalay in lagu bixiyo wax qabad dheer, yareynta baahida loo qabo dayactir iyo beddelaad oo isdaba joog ah.
Hantida farsamada
Fasalka birta | xoogga ugu yar Markhaati | Awooda TSensile | Ugu yaraan dhererka % | Tamarta saameynta ugu yar J | ||||
Dhumuc cayiman mm | Dhumuc cayiman mm | Dhumuc cayiman mm | heerkulka tijaabada ee | |||||
<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. |
Ka sokow dhismahooda xiisaha leh, tuubooyinkani waa kuwo fudud oo fudud oo wax ka qabanaya, sameynta rakibaadda si hufan oo wax ku ool ah. Haddii aad samaynayso mashruuc tuubbo cusub ah ama kor u qaadaya nidaamka jira, tuubooyinkayada qunyar-socodka ah ee is-wareejinta ayaa bixiya isku-darka isku-darka xoogga, dabacsanaanta, iyo u hoggaansanaanta heerarka warshadaha.
Xulo tuubooyinkayaga qunyar-socodka ah ee loogu talagalay baahiyaha dhuumaha gaaska dhulka hoostiisa ah oo la kulmaan nabada maskaxda ee la imanaya adeegsiga alaabada la kulmaEN10219Heerarka. Aaminaa dadaalkeenna ka go'an tayada iyo waxqabadka si loo hubiyo badbaadada iyo hufnaanta kaabayaasha gaaskaaga.