Nickel thiab Nickel AlloyVuamHluav taws xob
N327-3
GB/T ENi6625
Nqe lus piav qhia: Ni327 -3 yog nickel-based electrode nrog qis-hydrogen sodium txheej.Siv DCEP (direct tam sim no electrodezoo).Cov hlau deposited muaj zoo heev plasticity, toughness thiab tawg tsis kam, thiab muaj siab zog thiab muaj zog corrosion kuj nyob rau hauv chav tsev kub thiab kub.
Daim ntawv thov: Nws yog siv rau kev vuam nickel-chromium-molybdenum alloys, tshwj xeeb tshaj yog cov vuam thiab surfacing ntawm UNS N06625 alloys thiab lwm yam steel hom thiab nickel-chromium-molybdenum alloy composite steels, thiab kuj siv tau rau vuam Ni9% steel nyob rau hauv qhov kub thiab txias.
Tshuaj muaj pes tsawg leeg ntawm weld hlau (%):
| C | Mn | Si | Cr | Ni | Mo |
| ≤ 0.10 | ≤ 2.0 | ≤ 0.8 | 20.0-23.0 Nws | ≥55.0 | 8.0 ~ 10.0 Nws |
| Fe | Cu | Nb + Ta | S | P | Lwm yam |
| ≤ 7.0 | ≤0.5 | 3.0 ~ 4.2 | ≤ 0.015 | ≤ 0.020 | ≤0.5 |
Mechanical zog ntawm weld hlau:
| Cov khoom kuaj | Tensile zog Mpa | Yield zog Mpa | Elongation % |
| lav | ≥760 | ≥420 | ≥ 27 |
Pom zoo tam sim no:
| Qws txoj kab uas hla (mm) | 2.5 | 3.2 | 4.0 |
| Vuamtam sim no (A) | 50 ~ 70 | 80 ~ 100 | 110 ~ 150 ib |
Daim ntawv ceeb toom:
- Cov electrode yuav tsum tau ci rau 1 teev ntawm ib ncig ntawm 300 ℃ ua ntej vuam ua haujlwm.Sim siv luv luv arc rau vuam;
- Nws yog ib qho tseem ceeb los ntxuav cov xeb, roj, dej, thiab impurities ntawm vuam qhov ua ntej vuam.
3. Sim siv cov kab me me zog thaum vuam, ntau txheej thiab ntau dhau welding.
Yam khoom
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