ER 2209hija mfassla biex iwweldja azzar inossidabbli duplex bħal 2205 (Numru UNS N31803).
ER 2553jintuża primarjament biex iwweldja azzar inossidabbli duplex li jkun fih madwar 25% kromju.
ER 2594huwa wajer tal-iwweldjar superduplex. In-Numru Ekwivalenti tar-Reżistenza għall-Pitting (PREN) huwa mill-inqas 40, u b'hekk jippermetti li l-metall tal-weldjatura jissejjaħ superduplex stainless steel.
ER2209 ER2553 ER2594 Wajer tal-weldingKompożizzjoni Kimika
Grad | C | Mn | Si | P | S | Cr | Ni |
ER2209 | 0.03 max | 0.5 – 2.0 | 0.9 max | 0.03 max | 0.03 max | 21.5 – 23.5 | 7.5 – 9.5 |
ER2553 | 0.04 max | 1.5 | 1.0 | 0.04 max | 0.03 max | 24.0 – 27.0 | 4.5 – 6.5 |
ER2594 | 0.03 max | 2.5 | 1.0 | 0.03 max | 0.02 max | 24.0 – 27.0 | 8.0 – 10.5 |
Ħin tal-post: Lulju-31-2023