Welding flux SJ302
Panimula:
Ang SJ302 ay isang uri ng silicon-calcium type medium sintered flux, B//W=1.0-1.1, MESH 10-40(2.0-0.45mm).
Maaaring gamitin ang alinman sa alternating o direktang kasalukuyang.Maayos ang hugis ng welding bead at ang welding slag ay "short slag".
At ang welding seam ay may pinong tigas at moisture at crack resistance.
Application:
Kapag inilapat sa mga welding wire (H08A o H08MnA), maaari itong magwelding ng mga boiler, pipeline steel at karaniwang bakal.
Pansin:
1.Ang langis na lupa, bakal na kalawang at iba pang mga dayuhang sangkap ay dapat alisin mula sa welding joint.
2.Angpagkilos ng hinangdapat na lutuin sa ilalim ng 300-350 ℃ para sa 2 oras bago hinang.
Karaniwang Komposisyon ng Kemikal ng Welding Flux(%):
| SiO2+TiO2 | Al2O3 | CaO+MgO | CaF2 | S | P |
| 20~30 | 30~40 | 15~25 | 7~10 | ≤0.06 | ≤0.06 |
Mga Karaniwang Mekanikal na Katangian Ng Nadepositong Metal:
| Mga wire | Mga Karaniwang Modelo | YP(MPa) | TS(MPa) | EL(%) | IV(J) |
| H08A | F4A2-H08A | ≥350 | ≥420 | ≥27 | ≥22% |
| H08MnA | F5A4-H08MnA | ≥410 | ≥490 | ≥27 | ≥22% |
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Nakaraan: Welding Flux na Ginagamit sa Lubog na Pagproseso ng welding power SJ301 Susunod: Solder Wire Weld Aluminum Weld Wire AWS ER4043
