1.4410
- Tensile Strength
- 900 MPa
- Thermal Conductivity
- 14 W/(m·K)
- Elongation
- 25 %
- Chemical Composition
- C: 0.02%, Cr: 25%, Ni: 7%, Mo: 4%, Mn: 0.8%, Si: 0.4%, N: 0.27%, P: 0.02%, S: 0.005%
Other Names
- X2CrNiMoN25-7-4
- UNS S32750
- SAF 2507
- SS 2328
- Z3CND25-07Az
- Z3CND25-06Az
Material Description
1.4410 / Super Duplex 2507 is normally supplied solution annealed and combines very high corrosion resistance with significantly higher strength than common austenitic stainless steels. Despite its strength of around 800–1000 MPa, it should still be approached as a difficult stainless material: use sharp but stable stainless or duplex geometries, tougher cutting grades and lower cutting speeds than for 1.4301 / AISI 304. Its very low thermal conductivity and two-phase austenitic-ferritic structure place high thermal and mechanical loads on the cutting edge, so maintaining a positive cutting action and avoiding rubbing is important.