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Quality 1.4462
General Product Description
Material number 1.4462
Short name according to EN Z3CND22.05 Az
AISI / UNS / Alloy AISI 318LN, F51, UNS S31803/S32205
Applicable standards EN 10088-3, DIN EN 10272, ASTM A 479, ASTM A 182, ASTM A 276
Treatment solution annealed, bright
Variations
| Quality | Treatment | Shape | Dimension (mm) |
|---|---|---|---|
| 1.4462 | solution annealed, bright |  Round | 6 - 70 |
| 1.4462 | solution annealed, bright |  Hex | 13 - 50 |
Description
The material 1.4462 is a stainless ferritic - austenitic Cr-Ni-Mo steel with nitrogen addition. High corrosion resistance especially against stress corrosion cracking in chloride containing solutions and good strength properties. Resistant to intergranular corrosion up to 300°C. Applications: plant engineering, petrochemicals, shipbuilding, apparatus engineering, chemicals, power plant engineering, aerospace, offshore, power generation, rail vehicles, electrical engineering, mechanical engineering.
Chemical composition (in %)
| C | Cr | Ni | Mn | Si | P | S | Mo | N | |
|---|---|---|---|---|---|---|---|---|---|
| Min | - | 21,0 | 4,5 | - | - | - | - | 2,5 | 0,14 |
| Max | 0,03 | 23,0 | 6,5 | 2,0 | 1,0 | 0,03 | 0,015 | 3,5 | 0,20 |
| Element | Min | Max |
|---|---|---|
| C | - | 0,03 |
| Cr | 21,0 | 23,0 |
| Ni | 4,5 | 6,5 |
| Mn | - | 2,0 |
| Si | - | 1,0 |
| P | - | 0,03 |
| S | - | 0,015 |
| Mo | 2,5 | 3,5 |
| N | 0,14 | 0,20 |
Mechanical properties (solution-annealed)
Tensile strength Rm 650–880 N/mm2
0.2% proof stress Rp0.2 ≥ 450 N/mm2
Elongation at break A5 ≥ 25 %
Notched impact energy (ISO-V) ≥ 100 ≥ 45 (-46°C) J
Hardness ≤ 270 HB
Magnetizability No
Typical areas of application
Shipbuilding
Petrochemical Industry
Chemistry
Plant Engineering
power plant construction
equipment manufacturing
Offshore
Aviation / Aerospace
Mechanical engineering
General properties (solution-annealed)
Corrosion Resistance
Weldability
Forgeability
Tensionability
Note
All information in this data sheet has been compiled to the best of our knowledge and belief. It is for information purposes only and does not constitute a assured property or guarantee. For the suitability of the material in specific applications, we recommend carrying out appropriate inspections and tests. Any liability for damage or errors is excluded.