Ku qor 347 (UNS S34700) ee tuubooyinka duuban
Sharaxaada
347 tuubo bir ah oo aan bir lahayn
Nooca 347 waa birta aan daxalka lahayn ee niobium xasiloon 304/304L.Darajadan waxaa sida caadiga ah loo isticmaalaa 800-1500˚F heerkulka kala duwan halkaas oo ay ka xasilin lid ku ah roobabka chromium carbide by lagu daro niobium, taas oo keenta in roobab niobium carbide.Nooca 347 wuxuu leeyahay iska caabbinta daxalka intergranular aad u fiican ka dib soo-gaadhista heerkulkan kala duwan, iyo darajadan ayaa iska caabinaysa oksaydhka ilaa 1500˚F waxayna leedahay gurguurta sare iyo guryaha dilaaca walaaca marka loo eego 304/304L.Waxa kale oo ay leedahay adkeysi heerkul hoose oo wanaagsan oo aan ahayn birlab ku jirta xaaladda la jeexjeexay.
347 tuubo bir ah oo aan bir lahayn
Halabuurka Kiimikada
Halabuurka Kiimikada (wt%) ayaa xaddidaya sida lagu qeexay ASTM A240 iyo ASME SA240*.
| Curiyaha | 347 |
| Kaarboon | 0.08 |
| Chromium | 17.0-19.0 |
| Nikkel | 9.0-13.0 |
| Manganese | 2.00 |
| Silikoon | 0.75 |
| Fosfooraska | 0.045 |
| Baaruud | 0.030 |
| Niobium | 10 x C daq / 1.00 max |
Guryaha Makaanikada347 tuubo bir ah oo aan bir lahayn
Shuruudaha hantida makaanikada ee alaabta la tirtiray sida lagu qeexay ASTM A240 iyo ASME SA240.
| Hanti | 347 |
| Xoogga Wax-soo-saarka, min.(ksi) | 30 |
| Xoogga Jilbaha, min.(ksi) | 75 |
| Dheeraynta, min.(%) | 40 |
| Adag, max.(Rb) | 92 |
Guryaha Jirka
Guryaha jireed ee Nooca 347 birta aan lahayn
| Hanti | 347 Xog |
| Cufnaanta, lb/in3 | 0.288 |
| Qaabka Elasticity, psi | 28.0 x 106 |
| Isku-dhafka Balaadhinta kulaylka, 68-212˚F, /˚F | 9.3 x 10-6 |
| Dhaqdhaqaaqa kulaylka, Btu/ft saac ˚F | 9.2 |
| Kuleylka gaarka ah, Btu/lb ˚F | 0.12 |
| Iska caabin koronto, Microohm-in | 28.4 |
Heerarka
Heerarka caadiga ah ee Nooca 347 ee birta aan-lahayn
| 347 |
| ASTM A240 |
| ASME SA240 |
| AMS 5512 |
Waqtiga boostada: Abriil-22-2023