I-JQ.ER307 insimbi engagqwali evikelwe ngegesi eqinile
Isicelo
Isetshenziswa ezikhathini ezikhethekile ezidinga izakhiwo ezingezona kazibuthe njengemikhumbi-ngwenya yenuzi namapuleti ensimbi angangenwa izinhlamvu, futhi ingasetshenziselwa ukushisela izinsimbi ezihlukene okunzima ukuzishisela futhi kulula ukuqhekeka.
Ukwakheka kwamakhemikhali entambo yokushisela(Wt%)
Imodeli | Ukwakheka kwamakhemikhali ocingo lokushisela (Wt%) |
| ||||||||
C | Mn | Si | Cr | Ni | Mo | P | S | Cu | Okunye | |
JQ.ER307 | 0.078 | 4.50 | 0.41 | 20.15 | 9.52 | 0.95 | 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-S307 | ER307 | 621 | 38.0 |
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 yokuvikela: 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 kwezimbobo zokushaywa umoya.
Iziphakamiso ezingenhla ngezereferensi kuphela, futhi isimo sangempela siyoba khona emsebenzini othize.Uma kunesidingo, ukufaneleka kwenqubo kufanele kwenziwe ngaphambi kokunquma uhlelo lwe-welding.