Uhlobo lwe-440 Stainless Steel, eyaziwa ngokuba yi "razor blade steel," yintsimbi ye-chromium enekhabhoni eqinile. Xa ibekwe phantsi konyango lobushushu ifikelela awona manqanaba aphezulu obunzima balo naliphi na ibakala lensimbi engenasici. Uhlobo lwe-440 Stainless Steel, oluza kumabanga amane ahlukeneyo, i-440A, 440B, 440C, 440F, inika ukuxhathisa okulungileyo kwe-corrosion kunye nokuxhatshazwa kwe-abrasion. Onke amabakala anokwenziwa lula ngoomatshini kwimo yawo evalelweyo, anikezela nangokuxhathisa kwiiasidi ezithambileyo, iialkali, ukutya, amanzi amatsha kunye nomoya. Uhlobo lwe-440 lunokwenziwa lukhuni kwi-Rockwell 58 harness.
Enkosi kwibakala ngalinye kwiipropathi ezigqwesileyo, onke amabanga oHlobo lwe-440 yentsimbi engatyiwayo inokufumaneka kwinani leemveliso ezahlukeneyo ezibandakanya:
- Izikhonkwane zePivot
- Izixhobo zamazinyo kunye notyando
- Iincakuba zeemela ezikumgangatho ophezulu
- Izihlalo zevalvu
- Imilomo
- Iimpompo zeoyile
- Iibheringi zezinto eziqengqelekayo
Ibakala ngalinye le-Type 440 Stainless Steel lenziwe ngokwakheka kweekhemikhali ezizodwa. Kufuneka kuqatshelwe ukuba umahluko omkhulu kuphela phakathi kwamabanga linqanaba leCarbon
Uhlobo 440A
- Cr 16-18%
- Mn 1%
- Si 1%
- Mo 0.75%
- P 0.04%
- S 0.03%
- C 0.6-0.75%
Uhlobo 440B
- C 0.75-0.95%
Uhlobo lwe-440C kunye ne-440F
- C 0.95-1.20%
Ixesha lokuposa: Oct-09-2020