Kev tiv thaiv corrosion ntawm stainless hlau tsuas yog nyob ntawm nws cov alloy muaj pes tsawg leeg (xws li chromium, nickel, titanium, silicon, aluminium, manganese, thiab lwm yam) thiab nws cov microstructure sab hauv. Qhov saum npoo ntawm stainless hlau daim hlau yog du, nrog high plasticity, toughness, thiab mechanical zog, thiab lawv yog resistant rau corrosion los ntawm acidic thiab alkaline gases, kev daws teeb meem, thiab lwm yam corrosive media. Thaum stainless hlau yog cov hlau alloy uas tiv thaiv xeb, nws tsis yog xeb-pov thawj.
Txhawm rau kom ntseeg tau tias cov khoom siv hluav taws xob ntawm cov hlau tsis muaj steel hlau-xws li lub zog tawm los, lub zog tensile, elongation, thiab hardness-ua tau raws li cov qauv xav tau, cov hlau yuav tsum tau txais kev kho cua sov xws li annealing, kev kho, thiab kev laus ua ntej xa khoom.
Stainless hlau daim hlau yog categorized li steel daim hlau uas tiv thaiv corrosion los ntawm cov xov xwm tsis muaj zog, xws li cua, chav, thiab dej. Nyob rau hauv sib piv, acid-resistant steel daim hlau yog tsim los tiv thaiv corrosion los ntawm ntau yam tshuaj phem xws li acids, alkalis, thiab ntsev. Txij li thaum nws cov kev taw qhia nyob rau hauv thaum ntxov 20th caug xyoo, stainless hlau tau ua lub luag haujlwm tseem ceeb hauv kev nce qib kev lag luam niaj hnub thiab thev naus laus zis.
Classification ntawm Stainless Hlau Phaj
Stainless hlau daim hlau raug cais raws li lawv cov microstructure ua plaub pawg loj:
Austenitic Stainless Hlau Phaj
Martensitic Stainless Hlau Phaj (nrog rau nag lossis daus hardening stainless hlau daim hlau)
Ferritic Stainless Hlau Phaj
Austenitic-Ferritic Duplex Stainless Hlau Phaj
Tsis tas li ntawd, stainless hlau daim hlau tuaj yeem raug categorized raws li lawv cov tshuaj muaj pes tsawg leeg lossis cov ntsiab lus tshwj xeeb alloying rau hauv:
Chromium Stainless Hlau Phaj
Chromium-Nickel Stainless Hlau Phaj
Chromium-Nickel-Molybdenum Stainless Hlau Phaj
Low-Carbon Stainless Hlau Phaj
High-Molybdenum Stainless Hlau Phaj
High Purity Stainless Hlau Phaj
Lawv tuaj yeem raug cais raws li kev ua tau zoo thiab kev siv rau hauv:
Nitric Acid-Resistant Stainless Hlau Phaj
Sulfuric Acid-Resistant Stainless Hlau Phaj
Pitting-Resistant Stainless Hlau Phaj
Stress Corrosion-Resistant Stainless Hlau Phaj
High-Strength Stainless Hlau Phaj
Kev faib tawm ntxiv tuaj yeem ua tiav raws li cov yam ntxwv ua haujlwm, xws li:
Tsawg-kub Stainless Hlau Phaj
Tsis-Magnetic Stainless Hlau Phaj
Yooj yim-rau-Txiav Stainless Hlau Phaj
Superplastic Stainless Hlau Phaj
Cov txheej txheem kev faib tawm feem ntau ua ke ua ke cov hlau phaj cov yam ntxwv microstructural thiab tshuaj muaj pes tsawg leeg. Feem ntau, stainless hlau daim hlau tau muab faib ua:
Martensitic Stainless Hlau Phaj
Ferritic Stainless Hlau Phaj
Austenitic Stainless Hlau Phaj
Duplex Stainless Hlau Phaj
Precipitation Hardening Stainless Hlau Phaj
Xwb, lawv tuaj yeem muab faib ua ob pawg dav:
Chromium Stainless Hlau Phaj
Nickel Stainless Hlau Phaj
Daim ntawv thov
Stainless hlau phaj yog dav siv nyob rau hauv ntau yam lag luam, nrog rau kev ua tshuaj, khoom noj khoom haus, tshuaj, papermaking, roj av, thiab atomic zog. Lawv kuj tau siv dav hauv cov khoom siv hluav taws xob sib hloov rau cov khoom siv pulp thiab ntawv, cov cuab yeej siv tshuab, cov khoom siv dyeing, cov cuab yeej ntxuav cov yeeb yaj kiab, cov kav dej, lub tsev sab nrauv hauv cov ntug dej hiav txwv, thiab ntau yam khoom siv hauv tsev thiab kev lag luam xws li cov tais diav, tais diav, tsheb, thiab khoom siv hauv tsev. .
Kev tsim khoom
Stainless hlau phaj yog tsim los ntawm cov txheej txheem kub dov thiab txias dov. Cov no muaj xws li nyias txias-kuav los tiag daim hlau nrog thicknesses li ntawm 0.5 hli mus rau 6.0 hli thiab nruab nrab rau tuab daim hlau nrog thicknesses ntawm 14 hli mus rau 100 hli. Lawv yog tsim los tiv thaiv corrosion los ntawm ntau yam acids, xws li oxalic acid, sulfuric acid-ferrous sulfate, nitric acid, nitric acid-hydrofluoric acid, sulfuric acid-tooj liab sulfate, phosphoric acid, formic acid, thiab acetic acid.
