JQ.ER308Lsi bir aan bir lahayn oo gaashaaman silig adag
Codsiga
Qaybta ugu muhiimsan waa C-18Cr-8Ni hooseeya, iyo Si element ayaa lagu daray, birta dhalaalaysa waxay leedahay dareere wanaagsan, tolidda alxanka ayaa qurux badan.Waxay ku habboon tahay alxanka xawaaraha sare leh.
Halabuurka kiimikada alxanka (Wt%)
Qaabka | Halabuurka kiimikada alxanka (Wt%) |
| ||||||||
C | Mn | Si | Cr | Ni | Mo | P | S | Cu | Mid kale | |
JQ.ER308LSi | 0.015 | 1.75 | 0.90 | 20.02 | 9.85 | 0.03 | 0.015 | 0.010 | 0.15 |
Waxqabadka alaabta
Qaabka caadiga ah ee waafaqsan (u dhiganta). | Tusaalaha sifooyinka jirka ee birta la shubay (oo leh SJ601) | ||
GB | AWS | Xoojinta TensileMPa | Kordhinta% |
S308LSi | ER308LSi | 563 | 40 |
Tixraaca alxanka alaabta hadda (AC ama DC+)
Dhexroorka siliga (mm) | ¢0.8 | ¢1.0 | ¢1.2 | |
Alxanka hadda (A) | Alxanka fidsan, alxanka toosan | 70-150 | 100-200 | 140-220 |
alxanka toosan | 50-120 | 80-150 | 120-180 | |
alxanka sare | 50-120 | 80-150 | 160-200 |
Tilmaamaha Alaabta
Dhexroorka siliga | ¢0.8 | ¢1.0 | ¢1.2 |
Miisaanka xirmada | 12.5kg/gabadh | 15kg/gabadh | 15kg/gabadh |
Ka taxadar isticmaalka alaabta
1. Gaaska gaashaanka: U fiirso daahirsanaanta gaaska gaashaanka, iyo saamiga isku dhafka gaaska lagu taliyey waa Ar+1-3% O2.
2.Qulqulka gaaska: 20-25L/min.
3.Dhererka qallalan: 15-25mm.
4.Dhab ahaantii ka saar lakabka miridhku, qoyaanka, saliidda, boodhka, iwm ee qaybta alxanka.
5. Inta lagu jiro alxanka dibadda, marka xawaraha dabayshu uu ka sarreeyo 1.5m/s, waa in la qaadaa tillaabooyinka dabaysha, waana in la qaadaa tillaabooyinka dabaysha ee ku habboon si looga hortago inay dhacaan godad dabaysha.
Talooyinka kor ku xusan waa tixraac kaliya, iyo xaaladda dhabta ah waa in ay ku adkaato hawlgalka gaarka ah.Haddii loo baahdo, nidaamka u-qalmitaanka waa in la sameeyaa ka hor inta aan la go'aamin qorshaha alxanka.