Elektrode-ka Alxanka Birta ee Yar
J707
GB/T E7015-D2
AWS E10015-D2
Sharaxaad: J707 waa elektarood bir ah oo xoog badan oo dahaar yar leh oo leh dahaar sodium oo hooseeya. Isticmaal DCEP (elektaroodka hadda jira ee tooska ah), waana lagu dhejin karaa dhammaan boosaska. Marka loo baahdo, alxanka waa la kululeyn karaa ka hor alxanka oo la qaboojin karaa ka dib alxanka.
Adeegsiga: Inta badan waxaa loo isticmaalaa alxanka 15MnMoV, 14MnMoVB, 18MnMoNb iyo qaabab kale oo bir ah oo aan daawad lahayn. Qaab-dhismeedka alxanka wuxuu ku shaqeyn karaa xaalad alxan ama heerkul sare (500 ~ 650 ℃).
Halabuurka kiimikada ee birta alxanka (%):
|
| C | Mn | Si | Mo | S | P |
| Dammaanad qaaday | ≤0.15 | 1.65 ~ 2.00 | ≤0.60 | 0.25 ~ 0.45 | ≤0.035 | ≤0.040 |
| La tijaabiyay | 0.073 | 1.68 | 0.54 | 0.40 | 0.011 | 0.018 |
Sifooyinka farsamada ee birta alxanka:
| Shayga tijaabada ah | Xoogga jiidista Mpa | Xoogga wax soo saarka Mpa | Kordhinta % | Qiimaha saameynta (J) -30℃ |
| Dammaanad qaaday | ≥690 | ≥590 | ≥15 | ≥27 |
| La tijaabiyay | 720 | 610 | 18.6 | — |
Fidinta haydarojiin ee birta la dhigay: ≤4.0mL/100g (habka glycerin)
Baarista raajada: Darajada I
Hadda lagu taliyay:
| (mm) Dhexroorka usha | 2.5 | 3.2 | 4.0 | 5.0 |
| (A) Hadda alxanka | 60 ~ 100 | 100 ~ 140 | 140 ~ 190 | 190 ~ 250 |
Ogeysiis:
1. Elektroodka waa in la dubo 1 saac heerkul ah 350 ~380℃ ka hor inta aan la isticmaalin alxanka;
2. Waa lagama maarmaan in la nadiifiyo miridhku, miisaanka saliidda, biyaha, iyo wasakhda ku jirta qaybaha alxanka ka hor alxanka;
3. Adeegso hawlgal qaanso gaaban marka aad alxanayso. Jidka alxanka cidhiidhiga ah waa mid habboon.
Badeecadaha La Xiriira
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