These steels contain more than 16% Cr, 4-6% Ni and 1,5-3% Mo. Their dual austenitic and ferritic grain structure ( hence the term duplex) means that they have the good mechanical properties of austenitic stainless steels but with a superior resistance to stress corrosion and pitting.
Valbruna Grade | W.N. | AISI | UNS | EN |
---|---|---|---|---|
MV274MDE | 1.4460 | 329 | S32900 | X3CRNIMON27-5-2 |
V2101MN (LDX2101®) | 1.4162 | F69 | S32101 | - |
V225MN | 1.4462 | F51 / F60 | S31803 / S32205 | X2CRNIMON22-5-3 |
V234N | 1.4362 | F68 | S32304 | X2CRNIN23-4 |
V257MNC | 1.4582 | - | - | X4CrNiMoNb25-7 |