Type 440 Stainless Steel, e tsejoang e le "lehare blade steel," ke tšepe e thata e thata ea carbon chromium. Ha e kenngoa tlas'a phekolo ea mocheso e fumana maemo a phahameng ka ho fetisisa a thata ho feta leha e le efe ea tšepe e sa hloekang. Mofuta oa 440 Stainless Steel, o tlang ka limaraka tse 'ne tse fapaneng, 440A, 440B, 440C, 440F, e fana ka khanyetso e ntle ea kutu hammoho le ho hanyetsa abrasion. Limaraka tsohle li ka etsoa habonolo maemong a tsona a annealed, li fana ka khanyetso ho li-acids tse bonolo, alkalis, lijo, metsi a hloekileng le moea. Mofuta oa 440 o ka thatafatsoa ho li-harness tsa Rockwell 58.
Ka lebaka la thepa e 'ngoe le e' ngoe e hlahelletseng, limaraka tsohle tsa Mofuta oa 440 Stainless Steel li ka fumaneha lihlahisoa tse fapaneng tse kenyelletsang:
- Pivot pins
- Lisebelisoa tsa meno le ho buoa
- Li-blade tsa thipa tsa boleng bo holimo
- Litulo tsa li-valve
- Nozzles
- Lipompo tsa oli
- Rolling element bearings
Sehlopha se seng le se seng sa Mofuta oa 440 Stainless Steel se entsoe ka motsoako o ikhethang oa lik'hemik'hale. Ho ke ho hlokomeloe hore phapang e kholo feela lipakeng tsa limaraka ke boemo ba Carbon
Mofuta oa 440A
- Cr 16-18%
- Mn 1%
- Ke 1%
- Mo 0.75%
- P 0.04%
- S 0.03%
- C 0.6-0.75%
Mofuta oa 440B
- C 0.75-0.95%
Mofuta oa 440C le 440F
- C 0.95-1.20%
Nako ea poso: Oct-09-2020