Electrode Yekushongedza Simbi Yekupisa Yakaderera
W707
GB/T E5015-G
AWS A5.5 E7015-G
Tsananguro: W707 ielectrode yesimbi inodziya zvishoma ine hydrogen sodium coating yakaderera. Shandisa DCEP (direct current electrode positive) uye inogona kusungirirwa munzvimbo dzese. Simbi yakachengetwa ichiri yakasimba pa -70°C.
Kushandiswa: Kunoshandiswa pakusondera simbi ine tembiricha yakaderera senge 2.5Ni.
Kuumbwa kwemakemikari esimbi ye weld (%):
| C | Mn | Si | Ni | S | P |
| ≤0.08 | ≤1.25 | ≤0.60 | 2.00 ~ 2.75 | ≤0.020 | ≤0.025 |
Hunhu hwesimbi ye weld:
| Chinhu chekuyedza | Simba rekusimba Mpa | Simba rekupa Mpa | Kureba % | Kukosha kwemhedzisiro (J) -70℃ |
| Yakavimbiswa | ≥490 | ≥390 | ≥22 | ≥27 |
Kupararira kwehydrogen musimbi yakachengetwa: ≤6.0mL/100g (nzira yeglycerin) kana ≤10mL/100g (nzira yemercury kana gas chromatography)
Kuongororwa kweX-ray: Giredhi I
Inokurudzirwa yemagetsi:
| (mm) Dhayamita yetsvimbo | 2.0 | 2.5 | 3.2 | 4.0 | 5.0 |
| (A) Welding Current | 40 ~ 70 | 70 ~ 100 | 90 ~ 120 | 140 ~ 180 | 170 ~ 210 |
Cherechedza:
1. Electrode inofanira kubikwa kweawa imwe pa350℃ isati yashandiswa pakunamira;
2. Edza kushandisa simba diki pakusanganisa, kusanganisa tambo dzakawanda uye kusanganisa tambo dzakawanda.
