Intsimbi Engagungqiyo Nobushushu yeMolybdenum kunye neChromiumUkuweldaI-electrode
R306
GB/T E5516-B2
I-AWS A5.5 E8016-B2
Inkcazo: I-R306 yi-electrode yentsimbi enganyangekiyo kubushushu be-pearlitic ene-hydrogen potassium coating equlethe i-1% Cr – 0.5% Mo. Zombini i-AC kunye ne-DC zingasetyenziswa, kwaye zinokudityaniswa kuzo zonke iindawo. I-weldment kufuneka ifudunyezwe ukuya kwi-160 ~ 250°C ngaphambi kokuba idityaniswe.
Ukusetyenziswa: Isetyenziselwa ukuwelda intsimbi eyi-Cr 1% – Mo 0.5% engatshisi ubushushu, enobushushu obusebenzayo obungaphantsi kwama-520℃, njengemibhobho yebhoyila, izitya zoxinzelelo, izixhobo zokupholisa ipetroliyam kunye nezixhobo zokucoca ipetroliyam, njl.njl.
Ukwakheka kweekhemikhali zesinyithi esijiyiweyo (%):
| C | Mn | Si | Cr | Mo | S | P |
| 0.05 ~ 0.12 | 0.50 ~ 0.90 | ≤0.60 | 0.80 ~ 1.50 | 0.40 ~ 0.65 | ≤0.030 | ≤0.030 |
Iimpawu zoomatshini zesinyithi esijijekileyo:
| Into yovavanyo | Tensile strength I-Mpa | Unikeze Amandla I-Mpa | Ukwandiswa % | Ixabiso lempembelelo (J) Ubushushu obuqhelekileyo. |
| Iqinisekisiwe | ≥540 | ≥440 | ≥17 | ≥47 |
I-current ecetyiswayo:
| Ububanzi bentonga (mm) | 2.5 | 3.2 | 4.0 | 5.0 |
| Ukuwelda kwangoku (A) | 60 ~ 90 | 90 ~ 130 | 140 ~ 180 | 180 ~ 210 |
Isaziso:
1. I-electrode mayibhakwe iyure e-1 malunga nama-350℃ ngaphambi kokuba isebenze nge-welding;
2. Kubalulekile ukucoca umhlwa, isikali seoyile, amanzi, kunye nokungcola kwiindawo zokuwelda ngaphambi kokuba uwelda.






