Electrode Yesimbi Yekushongedza Yesimbi Yakaderera
J707RH
GB/T E7015-G
AWS E10015-G
Tsananguro: J707RH ielectrode yehydrogen yakasimba zvikuru ine hydrogen sodium shoma. Shandisa DCEP (direct current electrode positive) uye inogona kusungirirwa munzvimbo dzese. Mashandiro ekugadzirisa welding akanaka. Kukombama kunotonhora, kuramba kutsemuka uye kuramba kuputika kwemajoini akasungirirwa zvakanaka. Simbi yakachengetwa ine plasticity yakakura uye yakasimba.
Mashandisirwo: Inoshandiswa pakusanganisa zvivako zvehull, uye yakakodzerawo pakusanganisa zvivako zvakakosha zvesimbi yakasimba yeRp0.2≥590MPa.
Kuumbwa kwemakemikari esimbi ye weld (%):
| C | Mn | Cr | Si | Ni | Mo | S | P | S + P |
| ≤0.10 | 1.20 ~ 1.60 | 0.08 ~ 0.20 | 0.30 ~ 0.60 | 1.40 ~ 2.00 | 0.25 ~ 0.50 | ≤0.020 | ≤0.020 | ≤0.035 |
Hunhu hwesimbi ye weld:
| Chinhu chekuyedza | Simba rekusimba Mpa | Simba rekupa Mpa | Kureba % | Kukosha kwemhedzisiro (J) -50℃ |
| Yakavimbiswa | ≥690 | ≥590 | ≥15 | ≥34 |
Kupararira kwehydrogen musimbi yakachengetwa: ≤4.1mL/100g (nzira ye mercury kana gas chromatography)
Kuongororwa kweX-ray: Giredhi I
Inokurudzirwa yemagetsi:
| (mm) Dhayamita yetsvimbo | 4.0 | 5.0 |
| (A) Welding Current | 160 ~ 180 | 180 ~ 220 |
Cherechedza:
1. Electrode inofanira kubikwa kwemaawa maviri pa400℃ isati yashandiswa pakunamira;
2. Zvakakosha kuchenesa ngura, mafuta, mvura, uye tsvina pazvikamu zvekunamira usati wanamira;
3. Shandisa nzira pfupi yekupinza simbi pakusanganisa simbi. Nzira yakamanikana yekusanganisa simbi ndiyo yakakodzera.
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