[[TitleIndustry]]

Dab tsi yog Martensitic stainless hlau:

Date:May 24, 2019

Martensitic stainless hlau, uas tuaj yeem hloov kho nws cov khoom kho tshuab los ntawm kev kho cua sov, yog ib hom ntawm cov tawv tawv hlau khov. Cov cim hom yog Cr13, xws li 2Cr13, 3Cr13, 4Cr13 thiab lwm yam. Tom qab quenching, lub hardness yog siab thiab qhov kub thiab txias tau muaj kev sib xyaw ua ke ntawm lub zog thiab tawv. Nws yog tsuas yog siv rau chav turbine blades, cov cuab yeej siv tais diav thiab cov cuab yeej phais. Raws li qhov sib txawv ntawm cov tshuaj lom neeg muaj pes tsawg leeg, maraging stainless hlau tuaj yeem faib ua ob pawg: martensite chromium steel thiab maraging chromium- nickel steel.

(1) Maraging chromium steel. Ntxiv nrog rau chromium, cov hlau kuj tseem muaj qee yam ntawm cov pa roj carbon. Cov ntsiab lus chromium txiav txim siab qhov kev txhim kho corrosion ntawm cov hlau. Tshaj cov pa roj carbon ntsiab lus, qhov siab dua qhov muaj zog, hnav tawv thiab hnav tsis kam. Lub microstructure li niaj zaus ntawm hom hlau no yog martensite, thiab qee qhov tseem muaj me me ntawm Austenite, Ferrite lossis pearlite. Nws yog tsuas yog siv los tsim cov khoom, qhov chaw, cov cuab yeej thiab cov cuab yeej uas xav tau lub zog muaj zog thiab tawv, tab sis tsis muaj qhov siab corrosion.

(2) Martensite chromium-nickel cov hlau. Xws li maraging hardened stainless hlau, semi-Austenite nag lossis daus tawv tawv hlau thiab maraging stainless hlau, txhua tus muaj lub zog loj lossis ultra-siab lub zog stainless hlau. Cov hom hlau no muaj cov pa roj carbon tsawg (tsawg dua 0.10%) thiab muaj cov npib tsib xee, thiab qee qib kuj muaj Mo siab, tooj thiab lwm yam, yog li cov hlau no muaj kev sib xyaw ua kom muaj zog thiab tawv thiab xeb tuaj yeem ua rau zoo ib yam. sijhawm. Lub weldability ntawm maraging chromium steel zoo dua li ntawm maraging chromium steel.




Tug: Keeb kwm ntawm stainless hlau

Tom ntej: Yog 304 lossis 316 stainless zoo dua?