Nooca 904L waa bir aan lahayn austenitic austenitic oo sare oo loo yaqaan sifooyinkeeda daxalka. Noocan kaarboonka hooseeya ee Nooca 904 birta aan-lahayn waxa kale oo ay siisaa faa'iidooyin kale isticmaalayaasha ay ka mid yihiin:
- Aan magnet ahayn
- Guryaha daxalka oo ka xoog badan nooca 316L iyo 317L
- Iska caabbinta wanaagsan ee sulphuric, phosphoric iyo acetic acids
- Iska caabbinta sare ee dillaaca iyo diiqada daxalka
- Habayn heer sare ah iyo weldability
Sababtoo ah dhammaan faa'iidooyinka isticmaalka Nooca 904L ahama, waxaa laga heli karaa tiro codsiyo ah oo kala duwan oo kala duwan oo warshado muhiim ah oo ay ku jiraan:
- Qalabka qaboojinta ee biyaha badda
- Habka kiimikada ee sulphuric, phosphoric iyo acetic acids
- Kuleylleyda
- Tuubooyinka qaboojiyaha
- gaaska dhaqida
- Xakamaynta iyo qalabaynta
- Warshadaha saliidda iyo gaaska
- Wax soo saarka dawooyinka
- Xadhkaha ku xidhidhiyeyaasha korantada
Si loo tixgaliyo Nooca 904L, birta aan lahayni waa inay lahaataa ka kooban kiimiko gaar ah oo ay ku jiraan kuwa soo socda:
- Fe dheelitirka
- Ni 23-28%
- Cr 19-23%
- Mo 4-5%
- Mn 2%
- Cu S 1-2.0%
- 0.7%
- S 0.3%
- N 0.1%
- P 0.03%
Waqtiga boostada: Agoosto-21-2020