Nitronic® 40 - HPA N40 - UNS S21904 (XM11) - UNS S21900 (XM10) - 21-6-9 - N40 Steel - N & Mn Strengthened Stainless SteelHome > All Alloys > HPA N40
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N40 is a nitrogen-strengthened, high-manganese stainless steel with high strength and excellent resistance to corrosion at high temperatures. N40, also called Nitronic 40®, can be fabricated and is readily weldable. N40 has been used for chemical processing, pollution control equipment and various aircraft engine components.
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We can cold work high strength into your material to meet your high-performing requirements. We also facilitate in-house size conversions, rotary forging and drawing, and annealing materials, as well as our cold finish machining capabilities range of +/- 0.0002" Ø.
For more information, you can contact us at 1-800-945-8230, and request our GFM Bulletin; you can also view our brochure online! There's also more information about our offered services on our production capabilities page.
We have expanded our abilities to work smaller diameter bar down to nominal wire. Also, check out our weld wire to finish the job right!
- Food and chemical processing.
- Aircraft components.
- Polution control equipement.
The typical properties listed can usually be provided in rounds, sheet, strip, plate, & custom forgings. We have the equipment to produce small quantities in special sizes to meet our customers’ specific needs. The table below shows Electralloy's Typical Room Temperature Mechanical Properties of Nitronic® 40 Stainless Steel. For most common forms and exceptions, check out the datasheet linked underneath the table.
|Form & Condition||UTS ksi (MPa)||0.2% YS ksi (MPa)||Elong. in 2 in., %|
|Anneal Bar||90 (621)||50 (345)||45|
UTS = Ultimate Tensile Strength, YS = Yield StrengthLink to Electralloy's datasheet/brochure on Nitronic® 40
Note that the specifications listed are common for this alloy but are for reference only and may be specific to a certain form. The specifications listed are not comprehensive nor indicative of any edition, revision, or similar such as an amendment. Please, reach out to our sales department to request the Material Test Report (MTR) or to confirm your required specifications.
|Identification||UNS S21900/XM-10, UNS S21904/XM-11 (lower Carbon), 21-6-9|
|Round Bars||AMS 5656, ASTM A276, ASME SA276|
|Sheet, Plate, or Strip||AMS 5595|
|Bars, Forgings, & Rings||AMS 5656, ASTM A276|
|Boiler and Pressure Vessels||ASTM A479, ASME SA479|
|Weld Wire||N40W/ UNS S21904/ AWS A5.9 Class ER219/ AMS 5818|
ReferencesLink to Electralloy's datasheet/brochure on Nitronic® 40
Nitronic® is a registered trademark of Cleveland-Cliffs Steel Corp, successor to AK Steel.
Data referring to mechanical properties and chemical analyses are the result of tests performed on specimens obtained from specific locations of the products in accordance with prescribed sampling procedures; any warranty thereof is limited to the values obtained at such locations and by such procedures. There is no warranty with respect to values of the materials at other locations.