Yakaderera Alloy Steel Welding Electrode
J707
GB/T E7015-D2
AWS E10015-D2
Tsanangudzo: J707 inonzi low-alloy high-strength steel electrode ine low-hydrogen sodium coating.Shandisa DCEP (yakananga ikozvino electrode yakanaka), uye inogona kusungirirwa munzvimbo dzese.Kana zvichidikanwa, mawelds anogona kupiswa asati atungidzwa uye kupiswa mushure mekuputika.
Chikumbiro: Inonyanya kushandiswa kugadzira 15MnMoV, 14MnMoVB, 18MnMoNb uye zvimwe zvimiro zvakaderera-alloy simbi.Iyo yakashongedzwa chimiro inogona kushanda pasi pemamiriro ekushongedza kana kupisa (500 ~ 650 ℃).
Kemikari yakagadzirwa nesimbi weld (%):
|
| C | Mn | Si | Mo | S | P |
| Guaranteed | ≤0.15 | 1.65 ~ 2.00 | ≤0.60 | 0.25 ~ 0.45 | ≤0.035 | ≤0.040 |
| Tested | 0.073 | 1.68 | 0.54 | 0.40 | 0.011 | 0.018 |
Mechanical zvimiro zve weld simbi:
| Test chinhu | Kusimba simba Mpa | Goho simba Mpa | Elongation % | Impact value (J) -30 ℃ |
| Guaranteed | ≥690 | ≥590 | ≥15 | ≥27 |
| Tested | 720 | 610 | 18.6 | - |
Diffusion hydrogen zvemukati mesimbi yakaiswa: ≤4.0mL/100g (glycerin nzira)
X-ray kuongorora: Ini giredhi
Yazvino inokurudzirwa:
| (mm) Tsvimbo dhayamita | 2.5 | 3.2 | 4.0 | 5.0 |
| (A) Welding Current | 60 ~ 100 | 100 ~ 140 | 140 ~ 190 | 190 ~ 250 |
Cherechedza:
1. Iyo electrode inofanira kubikwa kweawa imwe pa 350 ~ 380 ℃ isati yaitwa welding;
2. Zvinokosha kuchenesa ngura, chikero chemafuta, mvura, netsvina pazvikamu zvinokandwa musati maveld;
3. Shandisa pfupi arc oparesheni kana welding.Iyo yakamanikana welding track yakakodzera.
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