ER 2209an ƙera shi ne don haɗa ƙarfe masu duplex kamar 2205 (Lambar UNS N31803).
ER 2553Ana amfani da shi musamman don haɗa ƙarfe mai duplex wanda ke ɗauke da kusan kashi 25% na chromium.
ER 2594Wayar walda ce mai ƙarfi da ƙarfi. Lambar Daidaito ta Pitting Resistance (PREN) aƙalla 40 ce, don haka ana iya kiran ƙarfen walda da ƙarfe mai ƙarfi da ƙarfi da ƙarfi.
Wayar walda ER2209 ER2553 ER2594Sinadarin Sinadarai
| Matsayi | C | Mn | Si | P | S | Cr | Ni |
| ER2209 | 0.03 mafi girma | 0.5 – 2.0 | 0.9 mafi girma | 0.03 mafi girma | 0.03 mafi girma | 21.5 – 23.5 | 7.5 – 9.5 |
| ER2553 | 0.04 mafi girma | 1.5 | 1.0 | 0.04 mafi girma | 0.03 mafi girma | 24.0 – 27.0 | 4.5 – 6.5 |
| ER2594 | 0.03 mafi girma | 2.5 | 1.0 | 0.03 mafi girma | 0.02 mafi girma | 24.0 – 27.0 | 8.0 – 10.5 |
Lokacin Saƙo: Yuli-31-2023

