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I-electrode yokuwelda ye-E7028 Umfanekiso obonisiweyo
  • I-electrode yokuwelda ye-E7028

I-electrode yokuwelda ye-E7028

Inkcazo emfutshane:

I-electrode yentsimbi yekhabhoni egqunywe ngomgubo ophantsi we-hydrogen-potassium-iron-powder.


Iinkcukacha zeMveliso

Iithegi zeMveliso

I-AWS A5.1 E7028 Intonga yokuWeldas

I-Welding electorde AWS A5.1 E7028 yi-electrode yentsimbi yekhabhoni egqunywe yi-hydrogen-potassium-iron-powder ephantsi. Umgubo wesinyithi okwi-coating unyusa izinga lokufakwa kwe-deposit ukuya kuthi ga kwi-180%. Inokusebenziseka kakuhle kakhulu okwenza ukuba ibe ne-arc ezinzileyo, i-spatter ephantsi, ukususwa kwe-slag kulula kwaye yenza i-welding ye-all-position. Isinyithi esigciniweyo sineempawu ezilungileyo zoomatshini ezibonelela ngokuqina okuhle kakhulu kubushushu obuphantsi.

Isicelo

I-AWS A5.1 E7028 isetyenziswa kwi-flat and flat fillet welding kwizakhiwo ezenziwe nge-carbon steel kunye ne-low alloy steels ezifana ne-16Mn, 09Mn2Si kunye ne-A, B, D, E steels ezisetyenziswa ekwakheni iinqanawa.

Ulwakhiwo lweeKhemikhali (%)

Ukwenziwa kweeKhemikhali

C

Mn

Si

S

P

Ni

Cr

Mo

V

Ixabiso leSiqinisekiso

≤0.15

≤1.60

≤0.90

≤0.035

≤0.035

≤0.30

≤0.20

≤0.30

≤0.08

Isiphumo Jikelele

0.077

1.03

0.35

0.005

0.014

0.011

0.028

0.007

0.016

 

Iipropati zoomatshini zesinyithi esigciniweyo

Into yoVavanyo

I-Rm (N/mm2)

I-Rel (N/mm2)

I-A (%)

KV2(J) -30°C

Ixabiso leSiqinisekiso

≥490

≥400

≥20

≥27

Isiphumo Jikelele

535

430

26

189

Isalathiso sangoku (DC)

Ububanzi

φ4.0

φ5.0

I-Amperage

180 ~ 240

210 ~ 280

Amanqaku:

1. I-electrode mayifudunyezwe kubushushu obuyi-350°C kangangeyure e-1. Fudumeza intonga nanini na xa isetyenziswa.

2. Ukungcola okufana nomhlwa, amabala eoyile kunye nokufuma kufuneka kususwe kwindawo yokusebenza.

3. Kufuneka i-arc emfutshane ukuze kwenziwe i-welding. Indlela encinci yokuwelda iyathandwa.

Ukugcinwa kunye nokubhaka kwe-E7028 Welding Electrode

Ekubeni i-electrode ye-hydrogen ephantsi, i-E7016 ifunaukubhaka/ ukomisangaphambi kokusetyenziswa. Ubushushu obucetyiswayo bokomisa okanye bokubhaka kwi-E7028 rod ngokwe-AWS A5.1, Itheyibhile 1.3 yi-500-800°F (260-425°C) kangangeyure e-1-2.

I-electrode ebhakiweyo okanye eyomileyo mayigcinwe kwi-oven ephathwayo kubushushu obuyi-50-250°F (30-140°C) ngexesha lokusetyenziswa. I-electrode engasetyenziswanga mayibuyiselwe kwii-oven ezihlala zihleli.

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