He aha ka ʻokoʻa ma waena o ka uea hoʻoheheʻe ER2209 ER2553 ER2594?

ER 2209ua hoʻolālā ʻia e hoʻoheheʻe i nā kila kila duplex e like me 2205 (UNS Number N31803).

ER 2553hoʻohana nui ʻia e hoʻoheheʻe i nā kila kila duplex nona ka 25% chromium.

ER 2594he uea kuʻihao superduplex. ʻO ka Pitting Resistance Equivalent Number (PREN) ma ka liʻiliʻi he 40, no laila e ʻae ana i ka metala kuʻihao e kapa ʻia he kila kila superduplex.

ER2209 ER2553 ER2594 Uea hoʻoheheʻeHoʻohuihui Kemika

Papa C Mn Si P S Cr Ni
ER2209 0.03 kiʻekiʻe 0.5 – 2.0 0.9 kiʻekiʻe 0.03 kiʻekiʻe 0.03 kiʻekiʻe 21.5 – 23.5 7.5 – 9.5
ER2553 0.04 kiʻekiʻe loa 1.5 1.0 0.04 kiʻekiʻe loa 0.03 kiʻekiʻe 24.0 – 27.0 4.5 – 6.5
ER2594 0.03 kiʻekiʻe 2.5 1.0 0.03 kiʻekiʻe 0.02 kiʻekiʻe 24.0 – 27.0 8.0 – 10.5

ER2209 ER2553 ER2594 Uea Kuʻihao  ER2209 ER2553 ER2594 Uea Kuʻihao

Ka manawa hoʻouna: Iulai-31-2023