The steel grade 1.4460 ( also called AISI 329 and SS2324) is a stainless, acid resistant, duplex steel with improved machinability. Since the steel is machinability improved, it is suitable for production of details with comprehensive machining. The steel has very good corrosion resistance particulary in chloride-bearing environments and is extra resistant to pitting corrosion, crevice corrosion, stress corrosion cracking and corrosion fatigue. It also has high strentgth and toughness.
Equvialents
| ASTM | UNS | DIN | EN |
| 329 | S32900 | 1.4460 | X3CrNiMoN27-5-2 |
Chemical composition (nominal) %
| C | Si | Mn | P | S | Cr | Ni | Mo | N |
| ≤0.05 | ≤1.0 | ≤2.0 | ≤0.035 | ≤0.030 | 25.5 | 5 | 1.5 | 0.08 |
Some typical application areas for 1.4460 are:
Propeller and Pump Shafts
Pump and valve parts
Pistons
Mixer
Screws
Nuts
It offers good workability, weldability and shapeability.
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