Nitronic 50® stainless steel is known for its strength, longevity. We’re proud to offer this high-performing austenitic alloy, which combines leading-edge composition and state-of-the-art manufacturing to provide a material that’s ready to take on the toughest jobs.
Nitronic 50® is a trademark of AK Steel
Ideal for high temperature applications
Superior formability and weldability
Excellent corrosion resistance, toughness and strength
What Is Nitronic 50® Used For?
Nitronic 50 stainless steel is an austenitic stainless steel renowned for its exceptional resistance to corrosion, wear, and galling.
The generic name for Nitronic 50® is XM-19 (sometimes written as XM19) and is sometimes referred to as UNS S20910 Nitronic 50®. XM-19 is the designation of the generic alloy caption in ASTM A276 and ASTM A479, as well as UNS S20910 or DIN 1.3964.
What Is Nitronic 50®’s Chemical Composition?
Nitronic 50®’s chemistry composition is carefully engineered to achieve its remarkable properties. It includes the following key elements:
Chromium (Cr)
Provides strength and enhances corrosion resistance.
Chromium (Cr)
Contributes to abrasion resistance.
Nitrogen (N)
Supports re-passivation and further corrosion resistance.
Nickel (Ni)
Enhances formability and contributes to excellent tensile properties.
Carbon ©, Silicon (Si), Molybdenum (Mo), Copper (Cu)
These secondary elements complement the alloy’s overall performance.
Nitronic 50® Physical Properties
Nitronic 50® stainless steel boasts impressive mechanical properties and strength characteristics:
Physical Properties
| Condition | Tensile | Yield | Enlongation | Reduction of Area | Hardness |
|---|---|---|---|---|---|
| Annealed | 100 | 55 | 35 | 55 | 35 HRC MAX |
| High Strength | 135 | 105 | 20 | 50 | 35 HRC MAX |
Strength & Resistance
Nitronic 50® excels even when compared to 316L stainless steel. Nitronic 50®’s electrode potential is relatively low when exposed to various environments. This corrosion resistance is a key attribute that makes Nitronic 50® suitable for use in aggressive and corrosive settings.
Nitronic 50® also offers impressive corrosion resistance and mechanical performance, making it well-suited for demanding applications. Its resistance to pitting and crevice corrosion enables longevity in aggressive environments where stainless steels would suffer localized corrosion. Nitronic 50® maintains its protective oxide layer even in oxidizing conditions thanks to its passivity.
With outstanding wear and galling resistance, it performs reliably even in applications with heavy mechanical wear. The alloy also exhibits high impact strength and fatigue resistance across a wide temperature range from cryogenic to elevated temperatures. Its fatigue limit allows continued performance through repeated cyclic stresses.
The combination of corrosion resistance, strength, and fatigue life makes Nitronic 50® an ideal choice for challenging mechanical and corrosive conditions.
410 Stainless Steel Properties
Heat treating stainless steel improves its corrosion resistance and achieves high strength levels while still retaining good toughness and ductility.
Hardness
In the QDT condition, 410 SS has a hardness between 207 and 235 BHN, making it suitable for heavy-duty applications due to its abrasion resistance.
Resistance
When heat-treated, 410 stainless steel provides excellent corrosion resistance to mild chemicals, water, and atmospheric conditions.
Due to its resistance to corrosion, 410 stainless steel is commonly used in human interactive environments such as cutlery, kitchen utensils, and dental equipment.
For 410 stainless steel’s best corrosion resistance to synthetic settings, it is crucial that the surface of 410 be free of all heat and oxide build up from construction, annealing, or treatment.
410 Stainless Steel Composition
The martensitic, magnetic alloy 410 contains between 11.5 and 13.5% chromium, as well as nickel, manganese, silicon, carbon, phosphorus, sulfur, and iron.
Benefits of Using 410 SS
410 stainless steel offers several benefits that make it a popular choice across industries, including oil and gas, automotive, and manufacturing.
Cost-Effective
410 stainless steel is a cost-effective material thanks to its relatively simple alloy composition. With smaller amounts of certain alloys, 410 stainless has a lower raw material cost compared to more highly alloyed grades, making it an affordable option when you need corrosion resistance and high strength.
Corrosion Resistant
410 stainless provides moderate overall corrosion resistance and positive corrosion resistance against water, nitric acid, naphtha, acetic acid, sulfuric acid, ammonia, and other substances.
While not as highly corrosion resistant as some other grades, 410 stainless still performs well in many environments.
Can Be Hardened and Tempered
When heat-treated, 410 stainless steel provides excellent corrosion resistance to mild chemicals, water, and atmospheric conditions.
Due to its resistance to corrosion, 410 stainless steel is commonly used in human interactive environments such as cutlery, kitchen utensils, and dental equipment.
For 410 stainless steel’s best corrosion resistance to synthetic settings, it is crucial that the surface of 410 be free of all heat and oxide build up from construction, annealing, or treatment.
High Strength
In an annealed condition, 410 stainless steel has a minimum tensile strength of 70 KSI. Through heat treatment and hardening to a QDT condition, the strength can be increased to over 100 KSI. The high strength of hardened stainless steel makes it suitable for applications that require ruggedness and load-bearing capability.
Easy Machinability
Suitable for a range of applications, 410 stainless steel can easily be machined to form a variety of parts without compromising the integrity of the metal or the condition of your tools.
Services Available
At Premium Alloys, we provide a variety of services when processing 410 stainless bar stock and other metals so that we can supply you with the products that meet your exact specifications.
Value-Added Services
For your 410 stainless order, we offer a number of value-added services to save you time and money. Our capabilities include:
- Cutting
- Grinding
- Trepanning
- Boring
- Turning
Common Applications of 410 SS
With its combination of strength, hardness, and corrosion resistance, 410 stainless steel is utilized across a diverse range of industries and applications. Some common uses for 410 stainless include:
Valves
Wellheads
Gas Turbines
Automotive Parts
Dies
Fasteners
Bushings
Screws
Blades
With proper heat treatment, 410 stainless steel provides an optimal balance of properties for critical components and parts across industries.
How 410 Stainless Steel compares Compares to Other Alloys
Steel alloys like 410ss vary in composition, properties, and suitability for certain applications. Regardless of the alloy you choose, stainless steel offers excellent, reliable performance in your industry.
410 Stainless Steel vs 304
Compared to 410 steel’s composition, 304 stainless steel contains a higher percentage of chromium and nickel, giving it higher corrosion resistance, strength, and temperature resistance than 410 stainless.
However, 304 stainless steel comes at a higher price point, and 410 still offers good heat resistance and machinability. 304 stainless steel is commonly used in automotive applications, as well as in valves, dies, screws, and fasteners.
410 vs 316 Stainless Steel
316 stainless steel contains molybdenum, which increases its corrosion resistance and improves its mechanical properties. Suitable for marine or coastal environments, 316 steel resists chloride ion corrosion or saltwater corrosion.
For applications that require moderate corrosion resistance, 410 stainless steel is a cost-effective alternative to 316 that provides good overall performance. Like 304 stainless steel, 316 is suited for valves, dies, screws, and fasteners.
410 vs 420 Stainless Steel
While 420 steel is more durable and stronger than 410 stainless steel, 410 is better suited for applications that require precision machining due to its ductility.
Thermal Conductivity of Nitronic 50®
The thermal conductivity of a material is a critical property, especially when considering its performance in various applications where temperature control and heat transfer are important factors. Nitronic 50® stainless steel, also known as XM-19 or UNS S20910, exhibits specific thermal conductivity characteristics that are noteworthy for engineers and designers.
Understanding Thermal Conductivity
Thermal conductivity is a material property that measures its ability to conduct heat. It quantifies how quickly heat can move through the material. In engineering applications, understanding thermal conductivity is essential for assessing the material’s suitability for specific thermal management requirements.
Thermal Conductivity of Nitronic 50®
Nitronic 50® stainless steel offers relatively low thermal conductivity compared to other metals and alloys. This property makes it advantageous in specific applications where heat retention or thermal insulation is desirable. Some key points regarding the thermal conductivity of Nitronic 50® include:
Low Thermal Conductivity.
Nitronic 50®’s thermal conductivity is lower than that of materials like copper or aluminum. This characteristic can be beneficial in applications where minimizing heat transfer is essential.
Nitronic 50®’s thermal conductivity is lower than that of materials like copper or aluminum. This characteristic can be beneficial in applications where minimizing heat transfer is essential.
Thermal Insulation.
In situations where thermal insulation is required, Nitronic 50®’s lower thermal conductivity can help reduce heat loss, making it suitable for specific components or equipment.
In situations where thermal insulation is required, Nitronic 50®’s lower thermal conductivity can help reduce heat loss, making it suitable for specific components or equipment.
Maintains Mechanical Properties.
Nitronic 50®’s low thermal conductivity, combined with its high strength and corrosion resistance, ensures that its mechanical properties are preserved even under elevated temperatures.
Nitronic 50®’s low thermal conductivity, combined with its high strength and corrosion resistance, ensures that its mechanical properties are preserved even under elevated temperatures.
Applications.
While Nitronic 50® is not typically chosen for its thermal conductivity properties, it finds use in applications where its overall combination of properties, including corrosion resistance, wear resistance, and strength, outweigh the effects of its thermal conductivity.
While Nitronic 50® is not typically chosen for its thermal conductivity properties, it finds use in applications where its overall combination of properties, including corrosion resistance, wear resistance, and strength, outweigh the effects of its thermal conductivity.
Nitronic 50® Equivalent Alloys
Nitronic 50® stainless steel, known for its exceptional properties, including corrosion resistance, high strength, and versatility, is often sought after in various industries. However, there are instances where specific project requirements or availability may lead to a search for equivalent alloys. While Nitronic 50® is unique in many ways, there are some stainless steel alloys that offer similar attributes and can be considered as alternatives or equivalents in certain applications.
Nitronic 60® vs Nitronic 50®
Nitronic 60®
Nitronic 60® is another member of the Nitronic family of stainless steels, and shares some similarities with Nitronic 50®, such as high strength and corrosion resistance.
Nitronic 50®
Nitronic 50® tends to have better weldability than Nitronic 60®, while still boasting the high strength and corrosion resistance.
Nitronic 30® vs Nitronic 50®
Nitronic 30®
Nitronic 30® is another Nitronic alloy, but it’s characterized by lower alloying elements, which results in reduced strength compared to Nitronic 50®.
Nitronic 50®
Ultimately, Nitronic 50® is more durable than Nitronic 30®, and it’s the go-to when you can’t afford to sacrifice strength.
316L Stainless Steel vs Nitronic 50®
316L Stainless Steel
AISI 316L stainless steel (also known as SS316) is an austenitic stainless steel. It doesn’t match the high strength of Nitronic 50®, but it can be an alternative in applications where the focus is primarily on corrosion resistance and the need for extreme strength is less critical.
Nitronic 50®
For more extreme environments, choose Nitronic 50® over SS316.
17-4 Stainless Steel vs Nitronic 50®
17-4 Stainless Steel
17-4 stainless steel is a recipitation-hardening stainless steel known for its combination of strength and corrosion resistance.
Nitronic 50®
While both Nitronic 50® and 17-4 stainless steel have their merits and are valuable in different contexts, Nitronic 50®’s superior corrosion resistance, enhanced mechanical properties, and broader range of applications make it a preferred choice in industries where exceptional performance in challenging environments is required.
Frequently Asked Questions
Nitronic 50®’s magnetic properties depend on its specific composition and processing conditions. In its annealed or solution-annealed state, Nitronic 50® typically possesses a slight magnetic response, often referred to as weakly magnetic. This means that it may attract a magnet but does not exhibit strong magnetic characteristics.
However, its magnetic properties can change when Nitronic 50® is subjected to cold working or significant deformation. Cold working can induce some degree of magnetism in the material due to the alignment of its microstructure. It’s important to note that the extent of Nitronic 50®’s magnetic permeability remains relatively low compared to ferromagnetic materials like carbon steels.
For applications where magnetic interference is a concern, especially in highly sensitive environments, it’s advisable to test the specific Nitronic 50® material being used to determine its magnetic behavior. Understanding the magnetic properties of Nitronic 50® is essential for ensuring compatibility with equipment and systems where magnetism can be a limiting factor.
