Nickel Alloy Alloy 825 (2.4858)
Nickel Alloy Alloy 825 (2.4858)
Txhais:
2 {. 4858 yog npib npib tsib xee-chromium alloy muaj molybdenum, tooj thiab titanium.
Ntom ntom: 8.14 g / cm³
Melting ntau li: 1370-1400 degree
Cov cua kub tshwj xeeb: 0.105 J / KG (Qib)
Curie kub: -196 degree
Sib nqus permeability ntawm 200 ONSTED (15.9 KA / M): 1.005
Coefficient ntawm thermal expansion: 14.0 (21 - 93}℃μm / m- Qib)
Thermal conductivity: 11.1 w / m (degree)
Resistivity: 1.13 mm² / m
Lub cev thiab thermal khoom:
UN tsis yog N08825 / w.}. 2.4858 yog tsim los tiv thaiv ib puag ncig kev ruaj khov, tshwj xeeb yog cov muaj chlorides {}}
Cov ntsiab lus npib tsib xee ntawm cov alloy muab kev tiv thaiv mus rau chloride ion muaj kev ntxhov siab corrosion .
Molybdenum thiab tooj liab, nrog rau muaj npib tsib xee, muaj kev tawm tsam kom txo ib puag ncig, xws li uas muaj cov sulfide thiab phosphates .
Molybdenum tseem muab kev tsis kam rau pitting thiab crevice corrosion .
Cov ntsiab lus chromium muab tshuaj tiv thaiv oxidizing hom, xws li nitric acid, nitrites, thiab oxidizing salts .
Qhov sib ntxiv ntawm titanium pab tswj cov alloy thiab txo qis kev phom sij rau intergranular corrosion thaum lub sij hawm .
Cov Khoom Siv Neeg Kho Tshuab (Anealed):
Tensile lub zog: 100 ksi (690 mpa)
Tawm Zog (0.2% offset): 45 ksi (310 mpa)
Elongation: 45%
Tshuaj lom neeg tshuaj ntsuam xyuas:
Nickel (NI): 38.0-46.0%
Hlau (FE): 22.0% yam tsawg kawg
Chromium (CR): 19.5-23.5%
Molybdenum (mo): 2.5-3.5%
Tooj Liab (Cu): 1.5-3.0%
Titanium (ti): 0.6-1.2%
Cov pa roj carbon (c): 0.05% siab tshaj plaws
Manganese (MN): 1.0% Ntau
Silicon (si): 0.5% siab tshaj plaws
Aluminium (Al): 0.2% Ntau
Cov Ntawv Thov:
Alloy 825 tau siv dav siv hauv kev ua qias tuaj, roj thiab roj rov qab, thiab cov accuale txav, thiab tshuaj khib nyiab pov tseg.
Alloy 825 (2 {{. 4858) yog dav siv nyob rau hauv ntau cov ntawv thov, tshwj xeeb yog nyob rau hauv cov kev siv kub thiab muaj kev kub ntxhov.
