ER 2209ua hoʻolālā ʻia e wili i nā kila stainless duplex e like me 2205 (UNS Number N31803).
ER 2553hoʻohana mua ʻia e wili i nā kila kuhili ʻole duplex i loaʻa ma kahi o 25% chromium.
ER 2594he uwea wiliwili superduplex. ʻO ka Pitting Resistance Equivalent Number (PREN) ma ka liʻiliʻi he 40, no laila e ʻae ai i ka weld metala e kapa ʻia he kila kila superduplex.
ER2209 ER2553 ER2594 Uea kuʻiHoʻohui Kimia
Papa | C | Mn | Si | P | S | Cr | Ni |
ER2209 | 0.03 ka nui | 0.5 – 2.0 | 0.9 ka nui | 0.03 ka nui | 0.03 ka nui | 21.5 – 23.5 | 7.5 – 9.5 |
ER2553 | 0.04 ka nui | 1.5 | 1.0 | 0.04 ka nui | 0.03 ka nui | 24.0 – 27.0 | 4.5 – 6.5 |
ER2594 | 0.03 ka nui | 2.5 | 1.0 | 0.03 ka nui | 0.02 ka nui | 24.0 – 27.0 | 8.0 – 10.5 |
Ka manawa hoʻouna: Iulai-31-2023