Our
product range
Quality 1.4944.4
General Product Description
Material number 1.4944.4
Short name according to EN Z6NCTDV25.15
AISI / UNS / Alloy Alloy A286
Applicable standards WL 1.4944.4, DIN 65038, AMS 5732
Treatment hardened
Variations
| Quality | Treatment | Shape | Dimension (mm) |
|---|---|---|---|
| 1.4944.4 | hardened |  Round | 9 - 80 |
Tim Weber
Purchasing / Aviation Sales / Authorized Representative
+49 (0) 23 31 - 387 115
weber@remystahl.de
Download business card (vcf)
Pierre Hermsdorf
Authorized Officer / Head of Procurement & Sales
+49 (0) 23 31 - 387 124
hermsdorf@remystahl.de
Download business card (vcf)
Description
The material 1.4944 / A286 is a high-temperature, chemically resistant, age-hardenable, austenitic steel. Scale resistant in air up to approx. 800°C. Areas of application are: Power plant engineering, mechanical engineering, power generation, aerospace, parts for gas turbines and engines such as rotors, disks, shafts, screws, intermediate rings, fittings, housings.
Chemical composition (in %)
| C | Cr | Ni | Mo | Al | Mn | Si | P | S | V | Ti | B | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Min | - | 13,5 | 24,0 | 1,0 | - | - | - | - | - | 0,10 | 1,9 | 0,003 |
| Max | 0,08 | 16,0 | 27,0 | 1,8 | 0,35 | 2,0 | 1,0 | 0,025 | 0,015 | 0,50 | 2,3 | 0,01 |
| Element | Min | Max |
|---|---|---|
| C | - | 0,08 |
| Cr | 13,5 | 16,0 |
| Ni | 24,0 | 27,0 |
| Mo | 1,0 | 1,8 |
| Al | - | 0,35 |
| Mn | - | 2,0 |
| Si | - | 1,0 |
| P | - | 0,025 |
| S | - | 0,015 |
| V | 0,10 | 0,50 |
| Ti | 1,9 | 2,3 |
| B | 0,003 | 0,01 |
Mechanical properties (precipitation hardened)
Tensile strength Rm ≥ 900 N/mm2
0.2% proof stress Rp0.2 ≥ 590 N/mm2
Elongation at break A5 ≥ 15 %
Notched impact energy (ISO-V) ≥ 30 J
Hardness ~ 250 HB
Magnetizability No
Typical areas of application
aerospace industry
gas turbine and engine construction
power plant and energy systems engineering
high-temperature screws and fasteners
Mechanical engineering
General properties (precipitation hardened)
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.