Technical Data Sheet
Nitronic 40 (21-6-9) is a high-manganese nitrogen strengthened stainless steel. Nitronic 40 properties include high strength in the annealed condition, excellent resistance to corrosion at high temperatures, readily weldable and it can also be fabricated. Nitronic 40 is used in a numerous applications including aircraft engine components, chemical processing, pollution control equipment.
| Chemical Composition Limits | |||||||||||
| Weight% | C | P | Si | Ni | Fe | Mn | S | Cr | N | Mo | Cu |
| Nitronic 40 (21-6-9) | 0.04 max | 0.060 max | 1.00 max | 5.5-7.5 | Bal | 8-10 | 0.030 max | 19-21.5 | 0.15-0.40 | 0.75 max | 0.75 max |
Typical Mechanical Properties
| Alloy | Cross Section Size | Test Direction | Yield Strength 0.2% | Ultimate Tensile Strength | Elongation in 2"(%) |
Reduction of Area % | Rockwell B Hardness | ||
| ksi | MPa | ksi | MPa | ||||||
| Nitronic 40 (21-6-9) | 6" (152mm) sq | Longitudinal | 62 | 428 | 95 | 655 | 46 | 69 | |
| Nitronic 40 (21-6-9) | 6" (152mm) sq | Transverse | 52 | 358 | 93 | 641 | 30 | 45 | |
| Nitronic 40 (21-6-9) | 4" (102mm) sq | Longitudinal | 56 | 386 | 97 | 668 | 53 | 73 | |
| Nitronic 40 (21-6-9) | 1" (25.4mm)sq | Longitudinal | 52 | 358 | 101 | 696 | 53 | 73 | 90 |
Availability
Nitronic 40 (21-6-9) is available as Bar, Wire, Sheet, Plate, Strip, Forgings, Extrusions, Rings, Tube (Welded or Seamless), Billet and Welding Wire. For all stock availability contact Sales.
Specifications
AMS 5656 Bar / Wire
AMS 5595 Sheet / Plate / Strip
AMS 5561 Welded tube
AMS 5562 Seamless Tube
AMS 5656 Rings / Extrusions
MIL-T-9821
ASTM A276 / ASME SA276
ASTM A412 / ASME SA412
ASTM A580 / ASME SA580
UNS S21906