Nickel thiab Nickel Alloy Vuam Electrode
N307-2
GB/T ENi6133
AWS A5.11ENiCrFe-2
Nqe lus piav qhia: Ni307-2 yog nickel-based electrode nrog qis-hydrogen sodium txheej.Siv DCEP (direct tam sim no electrode zoo).Txij li thaum lub vuam muaj qee qhov nyiaj ntawm molybdenum, niobium thiab lwm yam alloying ntsiab lus, cov hlau tso rau hauv cov khoom tawg tau zoo.
Daim ntawv thov: Siv rau vuam nickel-chromium-hlau alloys (xws li UNS N08800, UNS N06600), tshwj xeeb tshaj yog tsim rau vuam ntawm cov hlau tsis sib xws, kev hloov txheej vuam thiab nto vuam, thiab kuj tuaj yeem siv tau thaum ua haujlwm kub yog 980 ° C, tab sis nws tuaj yeem tiv taus oxidation thaum qhov kub siab tshaj 820 ° C Txo kev sib deev thiab siv zog.
Tshuaj muaj pes tsawg leeg ntawm weld hlau (%):
| C | Mn | Fe | Si | Cu | Ni |
| ≤ 0.10 | 1.0 ~ 3.5 hli | ≤ 12.0 | ≤ 0.8 | ≤0.5 | ≥62.0 |
| Cr | Nb + Ta | Mo | S | P | Lwm yam |
| 13.0-17.0 Nws | 0.5 ~ 3.0 hli | 0.5 ~ 2.5 hli | ≤ 0.015 | ≤ 0.020 | ≤0.50 |
Mechanical zog ntawm weld hlau:
| Cov khoom kuaj | Tensile zog Mpa | Yield zog Mpa | Elongation % |
| lav | ≥550 | ≥360 | ≥ 27 |
Pom zoo tam sim no:
| Qws txoj kab uas hla (mm) | 2.5 | 3.2 | 4.0 | 5.0 |
| Vuam tam sim no (A) | 60 ~ 90 | 80 ~ 100 | 110 ~ 150 ib | 130 ~ 180 ib |
Daim ntawv ceeb toom:
1. Cov electrode yuav tsum tau ci rau 1 teev ntawm ib ncig ntawm 300 ℃ ua ntej vuam ua haujlwm;
2. Nws yog ib qho tseem ceeb los ntxuav cov xeb, roj, dej, thiab impurities ntawm vuam qhov chaw ua ntej vuam.Sim siv luv luv arc rau vuam.
Yam khoom
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