Alloy 317 LMN cov khoom siv
Alloy 317LMN yog austenitic chromium-nickel-molybdenum stainless hlau nrog corrosion kuj superior rau 316L thiab 317L. Cov ntsiab lus molybdenum siab dua, ua ke nrog ib qho ntxiv ntawm nitrogen, muab cov hlau nrog nws cov kev txhim kho corrosion, tshwj xeeb tshaj yog nyob rau hauv acidic chloride muaj ...
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Hauj lwm lawm
Alloy 317LMN yog austenitic chromium-nickel-molybdenumstainless hlaunrog corrosion kuj superior rau 316Lthiab317L. Cov ntsiab lus molybdenum siab dua, ua ke nrog ib qho ntxiv ntawm nitrogen, muab cov hlau nrog nws cov kev txhim kho corrosion, tshwj xeeb tshaj yog nyob rau hauv acidic chloride muaj cov kev pab cuam. Kev sib xyaw ntawm molybdenum thiab nitrogen kuj txhim kho cov alloys tsis kam rau pitting thiab crevice corrosion.
Cov ntsiab lus nitrogen ntawm Alloy 317LMN ua raws li tus neeg sawv cev ntxiv dag zog muab nws lub zog muaj zog ntau dua li 317L .Alloy 317LMN kuj yog qib carbon qis uas ua rau nws siv tau rau hauv cov xwm txheej zoo li tsis muaj chromium carbide nag lossis daus ntawm cov ciam teb.
Alloy 317LMN yog non-magnetic in the annealed condition. Nws tsis tuaj yeem hardened los ntawm kev kho cua sov, tsuas yog los ntawm kev ua haujlwm txias. Cov hlau tuaj yeem ua tau yooj yim welded thiab ua tiav los ntawm cov khoom siv hauv khw.
Taw qhia
Stainless hlau 317LMN yog ib tug ntau dua molybdenum austenitic stainless hlau alloyed nrog nitrogen muab siab corrosion kuj nyob rau hauv acidic chloride-muaj ib puag ncig thaum piv rau 316L thiab 317L. Lub alloy yog non-magnetic nyob rau hauv lub annealed mob. Nws muaj ntau dua creep, kev nyuaj siab-rau-rupture, thiab tensile lub zog ntawm siab kub dua lwm cov pa stainless hlau.
Tshuaj muaj pes tsawg leeg
Cov tshuaj muaj pes tsawg leeg ntawm Qib 317LMN stainless hlau yog teev nyob rau hauv cov lus hauv qab no.
| Element | Cov ntsiab lus (%) |
|---|---|
| Hlau, Fe | Tshuav |
| Chromium, Cr | 17 – 20 |
| Nickel, Nia | 13.5 - 17.5 |
| Molybdenum, Mo | 4-5 |
| Manganese, Mn | 2 |
| Silicon, Sib | 0.75 |
| Nitrogen, N | 0.10 - 0.20 |
| Phosphorus, P | 0.045 |
| Sulfur, S | 0.03 |
| Carbon, C | 0.03 |
Mechanical zog
Cov khoom siv hluav taws xob ntawm Qib 317LMN stainless hlau tau tshwm sim hauv cov lus hauv qab no.
| Cov khoom | Metric | Imperial |
|---|---|---|
| Qhov kawg tensile zog | 614 MPa ua | 8 9 ksg |
| Yield zog | 317 MPa ua | 46 ksg |
| Elongation thaum so | 53 feem pua | 53 feem pua |
| Kev txo qis hauv cheeb tsam | 69 feem pua | 69 feem pua |
| Hardness, Rockwell | 80 | 80 |
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