Our
product range
Quality 1.4980
General Product Description
Material number 1.4980
Short name according to EN Z6CNDTV25.15
AISI / UNS / Alloy UNS S66286, AISI 660B
Applicable standards VdTÜV-Blatt 435, EN 10269, SEW 390, AD 2000 W 2, TRB 100, TRD 106, EN 10302, ASTM A 453, ASTM A638
Treatment hardened
Variations
| Quality | Treatment | Shape | Dimension (mm) |
|---|---|---|---|
| 1.4980 | hardened |  Round | 6,5 - 310 |
| 1.4980 | hardened |  Hex | 13 - 60 |
Description
The material 1.4980 / A286 is a high-temperature, chemically resistant, age-hardenable, austenitic steel. Scale resistant in air up to approx. 800°C. Applications 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 | Ti | V | Al | B | Mn | Si | P | S | Co | Fe | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Min | 0,03 | 13,5 | 24,0 | 1,0 | 1,9 | 0,10 | - | 0,003 | 1,0 | - | - | - | - | rest |
| Max | 0,08 | 16,0 | 27,0 | 1,5 | 2,3 | 0,50 | 0,35 | 0,010 | 2,0 | ≤ 1,0 | ≤ 0,025 | ≤ 0,015 | ≤ 0,20 | - |
| Element | Min | Max |
|---|---|---|
| C | 0,03 | 0,08 |
| Cr | 13,5 | 16,0 |
| Ni | 24,0 | 27,0 |
| Mo | 1,0 | 1,5 |
| Ti | 1,9 | 2,3 |
| V | 0,10 | 0,50 |
| Al | - | 0,35 |
| B | 0,003 | 0,010 |
| Mn | 1,0 | 2,0 |
| Si | - | ≤ 1,0 |
| P | - | ≤ 0,025 |
| S | - | ≤ 0,015 |
| Co | - | ≤ 0,20 |
| Fe | rest | - |
Mechanical properties (precipitation hardened)
Tensile strength Rm 900 – 1150 N/mm2
0.2% proof stress Rp0.2 ≥ 600 N/mm2
Elongation at break A5 ≥ 16 (L); ≥ 14 (Q) %
Notched impact energy (ISO-V) 56 (L); 32 (Q) J
Hardness 248 – 341 HB
Magnetizability No
Typical areas of application
aerospace industry
power plant construction
gas and steam turbine construction
mechanical and plant engineering
chemical industry
valve manufacturing and high-pressure components
power generation
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.