Lembani 321 (UNS S32100) mu chubu la Coil
Kufotokozera
Type 321 ndi titaniyamu yokhazikika ya chromium nickel austenitic chitsulo chosapanga dzimbiri chokhala ndi kukana kwa dzimbiri kofanana ndi 304/304L.Gululi limagwiritsidwa ntchito pa kutentha kwa 800-1500˚F komwe limakhazikika motsutsana ndi mvula ya chromium carbide powonjezera titaniyamu, zomwe zimabweretsa mvula ya titanium carbides.Mtundu wa 321 umakhala ndi kukana kwa dzimbiri kwapakati pa granular ukakumana ndi kutentha uku, ndipo kalasi iyi imakana oxidation mpaka 1500˚F ndipo imakhala ndi zokwawa komanso kuphulika kwamphamvu kuposa 304/304L.Ilinso ndi kulimba kwa kutentha kotsika komanso simaginito mumtundu wa annealed.
321 zitsulo zosapanga dzimbiri zophimbidwa ndi machubu
Chemical Composition
Malire a Chemical Composition (wt%) monga afotokozedwera mu ASTM A240 ndi ASME SA240*.
| Chinthu | 321 |
| Mpweya | 0.08 |
| Chromium | 17.0-19.0 |
| Nickel | 9.0-12.0 |
| Manganese | 2.00 |
| Silikoni | 0.75 |
| Nayitrogeni | 0.10 |
| Phosphorous | 0.045 |
| Sulfure | 0.030 |
| Titaniyamu | 5(C+N) mphindi / 0.70 max |
Mechanical Properties
Zofunikira zamakina pamakina otsekedwa monga zafotokozedwera mu ASTM A240 ndi ASME SA240.
| Katundu | 321 |
| Zokolola Zamphamvu, min.(k) | 30 |
| Mphamvu Zolimba, min.(k) | 75 |
| Elongation, min.(%) | 40 |
| Kuuma, max.(Rb) | 95 |
Zakuthupi
Zakuthupi za Type 321 zitsulo zosapanga dzimbiri
| Katundu | 321 Zambiri |
| Kachulukidwe, lb/in3 | 0.286 |
| Modulus of Elasticity, psi | 28.0 x 106 |
| Coefficient of Thermal Expansion, 68-212˚F, /˚F | 9.2 x 10-6 |
| Thermal Conductivity, Btu/ft hr ˚F | 9.3 |
| Kutentha Kwapadera, Btu/lb ˚F | 0.12 |
| Kukana kwamagetsi, Microohm-in | 28.4 |
Miyezo
Miyezo yodziwika bwino ya chitsulo chosapanga dzimbiri cha Type 321
| Katundu | 321 Zambiri |
| Kachulukidwe, lb/in3 | 0.286 |
| Modulus of Elasticity, psi | 28.0 x 106 |
| Coefficient of Thermal Expansion, 68-212˚F, /˚F | 9.2 x 10-6 |
| Thermal Conductivity, Btu/ft hr ˚F | 9.3 |
| Kutentha Kwapadera, Btu/lb ˚F | 0.12 |
| Kukana kwamagetsi, Microohm-in | 28.4 |
Nthawi yotumiza: Apr-17-2023