I-Electrode yeWelding yentsimbi ephantsi ye-Alloy
J707
I-GB/T E7015-D2
I-AWS E10015-D2
Inkcazo: I-J707 yi-electrode yentsimbi enamandla aphantsi eneentsimbi eziphantsi ze-hydrogen sodium coating. Sebenzisa i-DCEP (i-electrode yangoku ngqo), kwaye ingadityaniswa kuzo zonke iindawo. Xa kuyimfuneko, ii-weldments zingatshiswa ngaphambi kokuba zifakwe ii-welding kwaye ziqiniswe emva kokudityaniswa kwee-welding.
Ukusetyenziswa: Isetyenziswa kakhulu ekudibaniseni i-15MnMoV, i-14MnMoVB, i-18MnMoNb kunye nezinye izakhiwo zentsimbi ezingasebenzi kakuhle. Isakhiwo esidibeneyo singasebenza phantsi kwemeko yokudityaniswa okanye yokufudumala (500 ~ 650 ℃).
Ukwakheka kweekhemikhali zesinyithi esijiyiweyo (%):
|
| C | Mn | Si | Mo | S | P |
| Iqinisekisiwe | ≤0.15 | 1.65 ~ 2.00 | ≤0.60 | 0.25 ~ 0.45 | ≤0.035 | ≤0.040 |
| Ivavanyiwe | 0.073 | 1.68 | 0.54 | 0.40 | 0.011 | 0.018 |
Iimpawu zoomatshini zesinyithi esijijekileyo:
| Into yovavanyo | Tensile strength I-Mpa | Unikeze Amandla I-Mpa | Ukwandiswa % | Ixabiso lempembelelo (J) -30℃ |
| Iqinisekisiwe | ≥690 | ≥590 | ≥15 | ≥27 |
| Ivavanyiwe | 720 | 610 | 18.6 | — |
Umthamo we-hydrogen osasazekileyo kwisinyithi esigciniweyo: ≤4.0mL/100g (indlela ye-glycerin)
Ukuhlolwa kwe-X-ray: Ibanga loku-1
I-current ecetyiswayo:
| (mm) Ububanzi bentonga | 2.5 | 3.2 | 4.0 | 5.0 |
| (A) Ukuwelda kwangoku | 60 ~ 100 | 100 ~ 140 | 140 ~ 190 | 190 ~ 250 |
Isaziso:
1. I-electrode mayibhakwe iyure e-1 kwi-350 ~380℃ ngaphambi kokuba isebenze nge-welding;
2. Kubalulekile ukucoca umhlwa, isikali seoyile, amanzi, kunye nokungcola kwiindawo zokuwelda ngaphambi kokuba kuweldwe;
3. Sebenzisa i-arc operation emfutshane xa udibanisa. Indlela yokuncamathela ebhityileyo ifanelekile.






