Yakaderera Tembiricha Simbi Welding Electrode
W707
GB/T E5015-G
AWS A5.5 E7015-G
Tsanangudzo: W707 isimbi yakadzika-tembiricha electrode ine yakaderera-hydrogen sodium coating.Shandisa DCEP (yakananga ikozvino electrode yakanaka) uye inogona kusungirirwa munzvimbo dzese.Simbi yakaiswa ichiri iine kunaka kwekusimba pa -70°C.
Chikumbiro: Inoshandiswa pakushongedza yakaderera tembiricha simbi senge 2.5Ni.
Kemikari yakagadzirwa nesimbi weld (%):
| C | Mn | Si | Ni | S | P |
| ≤0.08 | ≤1.25 | ≤0.60 | 2.00 ~ 2.75 | ≤0.020 | ≤0.025 |
Mechanical zvimiro zve weld simbi:
| Test chinhu | Kusimba simba Mpa | Goho simba Mpa | Elongation % | Impact value (J) -70 ℃ |
| Guaranteed | ≥490 | ≥390 | ≥22 | ≥27 |
Diffusion hydrogen yemukati mesimbi yakaiswa: ≤6.0mL/100g (glycerin nzira) kana ≤10mL/100g (mercury kana gasi chromatography nzira)
X-ray kuongorora: Ini giredhi
Yazvino inokurudzirwa:
| (mm) Tsvimbo dhayamita | 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. Iyo electrode inofanira kubikwa kweawa imwe pa 350 ℃ isati yaitwa welding;
2. Edza kushandisa simba remutsara mudiki paunenge uchitsvaira, multi-layer uye multi-pass welding.
