2023-03-30 11:44
(supersedes all previous editions)
Alleima® 21-6-9 is an austenitic grade with a high level of Mn, a low level of Ni, and the addition of N. The grade is characterized by:
Customer specifications on request.
C | Si | Mn | P | S | Cr | Ni | Mo | Cu | N |
---|---|---|---|---|---|---|---|---|---|
≤0.040 | ≤1.00 | 8.00 - 10.00 | ≤0.030 | ≤0.030 | 19.00 - 21.50 | 5.50 - 7.50 | ≤0.75 | ≤0.75 | 0.15 - 0.40 |
Alleima® 21-6-9 seamless tube is used for components in the aircraft industry.
Alleima® 21-6-9 seamless stainless steel tubes are supplied in the bright annealed condition or cold-worked.
Outside diameter, mm (in.) | Wall thickness, mm (in.) |
---|---|
2 - 65 (0.079 - 2.56) | 0.3 - 25 (0.012 - 1.0) |
Outside diameter, mm (in.) | Wall thickness, % |
---|---|
+/- 0.05, or 0.1 (+/- 0.002, or 0.004) | +/- 10 |
For special tolerance requirements, please contact Alleima. |
Proof strength, Rp0.2 | Tensile strength, Rm | Elongation, A2" |
---|---|---|
MPa (ksi) | MPa (ksi) | % |
≥330 (48) | ≥655 (95) |
≥35 |
Proof strength, Rp0.2 | Tensile strength, Rm | Elongation, A2" |
---|---|---|
MPa (ksi) | MPa (ksi) | % |
≥827 (120) | ≥979 (142) |
≥20 |
7.81 g/cm3 (0.282 lb/in3)
Temperature, °C | J/(kg °C) | Temperature, °F | Btu/(lb °F) |
---|---|---|---|
0 | 480 | 32 | 0.12 |
100 | 480 | 212 | 0.12 |
Temperature, °C | MPa | Temperature, °F | ksi |
---|---|---|---|
20 | 200 | 68 | 28.9 |
0.285
Disclaimer: Recommendations are for guidance only, and the suitability of a material for a specific application can be confirmed only when we know the actual service conditions. Continuous development may necessitate changes in technical data without notice. This datasheet is only valid for Alleima materials.