Our
product range
Quality 1.4429
General Product Description
Material number 1.4429
Short name according to EN Z2CND17.13 Az
AISI / UNS / Alloy AISI 316LN,UNS S31653
Applicable standards EN 10088-3, AD 2000 W 2, DIN EN 10269, ASTM A 276, ASTM A 479
Treatment solution annealed
Variations
| Quality | Treatment | Shape | Dimension (mm) |
|---|---|---|---|
| 1.4429 | solution annealed |  Round | 6 - 270 |
Description
Material 1.4429 is a stainless austenitic chromium-nickel-molybdenum steel with added nitrogen. This steel is used when high corrosion resistance and/or good mechanical properties are desired. Application: plant engineering, shipbuilding, chemical, pharmaceutical, mechanical engineering, pressure vessels and apparatus of increased chemical resistan
Chemical composition (in %)
| C | Cr | Ni | Mn | Si | B | P | S | Mo | N | |
|---|---|---|---|---|---|---|---|---|---|---|
| Min | - | 16,5 | 13,0 | - | - | 0,0015 | - | - | 2,5 | 0,15 |
| Max | 0,03 | 18,0 | 14,0 | 2,0 | 0,75 | 0,0050 | 0,035 | 0,015 | 3,0 | 0,18 |
| Element | Min | Max |
|---|---|---|
| C | - | 0,03 |
| Cr | 16,5 | 18,0 |
| Ni | 13,0 | 14,0 |
| Mn | - | 2,0 |
| Si | - | 0,75 |
| B | 0,0015 | 0,0050 |
| P | - | 0,035 |
| S | - | 0,015 |
| Mo | 2,5 | 3,0 |
| N | 0,15 | 0,18 |
Mechanical properties (solution-annealed)
Tensile strength Rm 580–750 N/mm2
0.2% proof stress Rp0.2 ≥ 200 N/mm2
Elongation at break A5 40 (L); 30 (Q) %
Notched impact energy (ISO-V) 100 (L); 60 (Q) J
Hardness ≤ 250 HB
Magnetizability No
Typical areas of application
Shipbuilding
Chemical and Pharmaceutical Industry
Mechanical engineering
Plant Engineering
Pressure Vessels
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.