440C Fèy asye pur - Pwopriyete Kle:
Klas:AISI 440C / UNS S44004
Konpozisyon:
Kabòn (C): 0.95-1.20%
CHROMIUM (CR): 16–18%
Manganèz (MN): mwens pase oswa egal a 1.00%
Silisyòm (Si): mwens pase oswa egal a 1.00%
MOLYBDENUM (MO): Mwens pase oswa egal a 0.75% (si ou vle)
Fosfò (P) & souf (s): mwens pase oswa egal a 0.04%
Dite:
Rkwit: ~ Hb 269
Fè tèt di toujou & apeze:HRC 56-60(Ka rive jwenn jiska HRC 62 ak tretman chalè apwopriye)
Rezistans korozyon:Bon (men enferyè a 304/316 asye pur akòz kontni kabòn segondè)
Mayetik:Wi (estrikti martensitik)
Aplikasyon komen nan 440C fèy pur:
✔ Lam kouto & kouver
Belings boul & pati valv yo
✔ Konpozan endistriyèl wo-mete
✔ Enstriman chirijikal ak dantè
✔ Mwazi foure & outillage
Fòm ki disponib & gwosè (tipik):
Epesè:0.1mm - 6mm (0.004 " - 0.25") oswa koutim
Lajè:Jiska 1500mm (59 ")
Fini sifas:Frèt-woule, rkwit, poli (e . g ., #4 fwote, glas)
Rekòmandasyon tretman chalè:
Rkwir:Chofe nan815-870 degre (1500-1600 degre f), dousman fre (~ 15 degre /h)
Redi:Chofe nan1010-1065 degre (1850-1950 degre f), lwil oliv oswa lè pasè
Tanperaman: 150-370 degre (300-700 degre F)pou pi bon dite
Machining & Fabrication Nòt:
Machinabilite:San Patipri (menm jan ak lòt asye pur difisil) - Sèvi ak zouti carbure
Weldability:Pòv (Chofe & Post-Weld Tretman Chalè Rekòmande)
Baj popilè: 440C Steet Nerjaveèi, Lachin 440C manifaktirè steet pur, founisè, faktori
