JQ.H0Cr21Ni10 Igesi yensimbi engenasici evikelwe ngocingo oluqinile lokushisela emgqonyeni
Isicelo
Isetshenziswa kakhulu ku-petrochemical, umkhumbi wengcindezi, imishini yokudla, izinto zezokwelapha, okokusebenza kukamanyolo, imishini yendwangu, i-nuclear reactor, njll., njengokushisela kwe-12Cr18Ni9 (SUS 302), 06Cr19Ni10 (SUS 304) nezinye izinto.
Ukwakheka kwamakhemikhali entambo yokushisela(Wt%)
Imodeli | Ukwakheka kwamakhemikhali ocingo lokushisela (Wt%) | ||||||||
| C | Mn | Si | Cr | Ni | Mo | P | S | Cu |
JQ.H0Cr21Ni10 | 0.035 | 1.80 | 0.31 | 20.15 | 9.52 | 0.03 | 0.013 | 0.008 | 0.34 |
Ukusebenza komkhiqizo
Imodeli evamile ethobelanayo (elinganayo). | Isibonelo sezakhiwo ezibonakalayo zensimbi efakwe (nge-SJ601) | ||
GB | AWS | I-Tensile StrengthMPa | Elongation% |
I-S308 | ER308 | 594 | 40.5 |
Ireferensi yereferensi yokushisela umkhiqizo (AC noma DC+)
Ububanzi bentambo(mm) | ¢0.8 | ¢1.0 | ¢1.2 | |
Welding current(A)
| I-flat welding, i-welding enezingqimba | 70-150 | 100-200 | 140-220 |
welding mpo | 50-120 | 80-150 | 120-180 | |
Ukushisela ngaphezulu | 50-120 | 80-150 | 160-200 |
Imininingwane Yomkhiqizo
Ububanzi bentambo | ¢0.8 | ¢1.0 | ¢1.2 |
Isisindo sephakheji | 12.5Kg/ingcezu | 15Kg/ingcezu | 15Kg/ingcezu |
Izinyathelo zokuphepha zokusetshenziswa komkhiqizo
1. Igesi evikelayo: Naka ukuhlanzeka kwegesi evikelayo, kanye nesilinganiso esinconyiwe sengxube yegesi ngu-Ar+1-3%O2.
2. Ukugeleza kwegesi: 20-25L/min.
3. Ubude bomile: 15-25mm.
4. Susa ngempela ungqimba lokugqwala, umswakama, amafutha, uthuli, njll engxenyeni ye-welding.
5. Ngesikhathi sokushisela ngaphandle, lapho isivinini somoya singaphezu kuka-1.5m/s, kufanele kuthathwe izinyathelo zokuvikela umoya, futhi izinyathelo ezifanele zokuvikela umoya kufanele zithathwe ukuze kuvinjelwe ukwenzeka kwama-blowholes.
Iziphakamiso ezingenhla ngezereferensi kuphela, futhi isimo sangempela siyoba khona emsebenzini othize.Uma kunesidingo, ukufaneleka kwenqubo kufanele kwenziwe ngaphambi kokunquma uhlelo lwe-welding.