I-Nickel kunye ne-Nickel Alloy Welding Electrode
Ni307-7
GB/T ENi6152
AWS A5.11 ENCrFe-7
Inkcazo: I-Ni307-7 yi-electrode esekelwe kwi-nickel ene-low-hydrogen sodium coating.Sebenzisa i-DCEP (i-electrode yangoku ngqopositive).Inomsebenzi obalaseleyo we-welding kunye nokutsha kwe-arc okuzinzileyo, isitshizi esincinci, ukususa i-slag ngokulula,kunye ne-weld entle.Intsimbi egciniweyo ineepropati ezizinzileyo zoomatshini kunye nokumelana nokugqwesa okuhle kwiubushushu obuphezulu be-oxidizing kunye ne-atmospheres enesulfure.
Isicelo:Isetyenziswa kubunjineli benyukliya, i-asidi yesulfuric, i-nitric acid kunye ne-hydrogen fluorine izixhobo zokwenza, ezifana ne-nickel 690 alloy, ASTM B166, B167, b168, njl. -i-resistant layers kwintsimbi.
Ukwakhiwa kweekhemikhali zentsimbi edibeneyo(%):
| C | Mn | Fe | Si | Ni | Cr |
| ≤0.05 | ≤5.0 | 7.0 ~ 12.0 | ≤0.8 | ≥50.0 | 28.0 ~ 31.5 |
| Cu | Mo | Nb | S | P | Okunye |
| ≤0.5 | ≤0.5 | 1.0 ~ 2.5 | ≤0.015 | ≤0.020 | ≤0.5 |
Iimpawu zobuchwephesha bentsimbi ye-weld:
| Into yovavanyo | Tensile strength Mpa | Unikeze Amandla Mpa | Elongation % |
| Iqinisekisiwe | ≥550 | ≥360 | ≥27 |
yangoku eCetyisiweyo:
| Intonga yobubanzi (mm) | 2.5 | 3.2 | 4.0 |
| Welding okwangoku (A) | 60 ~ 90 | 80 ~ 110 | 110 ~ 150 |
Isaziso:
1. I-electrode kufuneka ibhakwe ngeyure enye malunga ne-300 ℃ phambi kokusebenza kwe-welding;
2. Kubalulekile ukucoca umhlwa, i-oyile, amanzi, nokungcola kwiindawo zokuwelda phambi kokuba udiye.Zama ukusebenzisa i-arc emfutshane ukuwelda.
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