Standard and edition
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Stainless Steel Round Bar | Duplex Steel Round Bar | High Nickel Alloy Round Bar
Stainless Steel Round Bar
Stainless Steel Nitronic 50 Round Bar. Stainless Steel Nitronic 50 Round Bar is a high-performance alloy renowned for its exceptional corrosion resistance and strength, featuring a unique composition of 20% chromium, 11% nickel, and 4% manganese. This austenitic alloy offers twice the yielding strength of other alloys at room temperature and maintains non-magnetic properties even after cold working, making it ideal for demanding environments such as chemical processing plants and marine applications.
For a quotation, specify the grade, product standard, dimensions, supply condition, tolerances, testing and delivery destination.
Product information by Piyush Steel India

At a glance
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Buyer selection guide
Begin with the drawing, equipment specification, or governing code. The product name identifies the material route; acceptance depends on the complete purchase specification.
Common applications
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Specifications
| Dimensions: | ASTM, ASME, DIN, BS, EN, IS, AMS, JIS, IBR & Other International Standards. |
|---|---|
| Standard: | ASTM / ASME SA A582, A276, A564, AME SA479 |
| Available Forms: | Round Bar, Square Bar, Hex (AF)Bar, Rectangular Bar, Billet Bar, Ingot Bar, Forged Bar, Rod |
| Inspection & Test Reports: | EN 10204 3.1, Mill Test Certificates, Chemical Reports, PMI Test Reports, Mechanical Reports, Third Party Inspection, NABL Approved Lab, Visual Inspection, Destructive Test and Non-Destructive Test Reports |
| Over | Inc | 7 | 9 | 11 |
|---|---|---|---|---|
| 1mm | 3mm | 0.009 | 0.025 | 0.06 |
| 3 | 6 | 0.012 | 0.030 | 0.07 |
| 6 | 10 | 0.015 | 0.036 | 0.09 |
| 10 | 18 | 0.018 | 0.043 | 0.11 |
| 18 | 30 | 0.021 | 0.052 | 0.13 |
| 30 | 50 | 0.025 | 0.062 | 0.16 |
| 50 | 80 | 0.030 | 0.074 | 0.19 |
| 80 | 120 | 0.035 | 0.087 | 0.22 |
| 120 | 180 | 0.100 | 0.25 | |
| 180 | 250 | 0.29 | ||
| 250 | 315 | 0.32 | ||
| 315 | 400 | 0.36 | ||
| 400 | 500 | 0.40 | ||
| 500 | 0.44 |
90mm Ø h11 = +0/-0.22, j11 = +0.22/-0.22, k11 = +0.22/-0
We maintain ready stock of Nitronic 50 Stainless Steel Round Bar, SS Nitronic 50 Hex Bar, SS Nitronic 50 Square Bar, Nitronic 50 S.S. Bright Bar, Stainless Steel Flat Bar, and Nitronic 50 SS Rods. Get in touch with us with your requirement for a quick quote.
Chemical composition
| Nitronic 50 | Max | Min |
|---|---|---|
| Ni | 13.5 | 11.5 |
| C | 0.06 | - |
| Mn | 4.0-6.0 | - |
| P | 0.045 max | - |
| S | 0.030 max | - |
| Si | 1.00 | - |
| Cr | 23.5 | 20.5 |
| N | 0.40 | 0.20 |
| Mo | 3.00 | 1.50 |
Mechanical properties
| Ultimate Tensile Strength: | 116 KSI min |
|---|---|
| 0,2% Proof Stress: | 57 KSI min |
| Elongation: | 47 % min |
| Reduction of Area: | 70 % min |
| Hardness (Rockwell): | B91 |
Technical considerations
Confirm the controlling document; a grade name or cross-reference alone is not a complete acceptance specification.
Check that property values apply to the required diameter, heat treatment, test direction and temperature.
State tolerances, straightness, length, surface finish, machining allowance, and end condition where required.
Define inspection, test reports, marking, heat identification, third-party requirements, and destination documentation.
Equivalent grades
| Standard: | SS Nitronic 50 |
|---|---|
| WERKSTOFF NR. | 1.3964 |
| UNS | S20910 |
Product details
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Nitronic 50 (UNS S20910) is an austenitic stainless steel used where strength and corrosion resistance are both considered. Specify the required supply condition and review the composition and mechanical-property requirements together.
Additionally, UNS S20910 stainless bars are available in a high-strength condition attained by special processing techniques. However, it's essential to note that high-strength bars produced by rotary forging-special practice may have somewhat reduced resistance to corrosion and sulfide stress cracking compared to strain-hardened materials, primarily due to sensitization during processing.
Its remarkable corrosion resistance shields against various forms of corrosion, including pitting, crevice corrosion, stress corrosion cracking, and intergranular corrosion, in different environments, whether oxidizing or reducing. This resilience makes Alloy N50 Stainless Steel Round Bars suitable for demanding environments such as chemical processing plants or marine applications, where exposure to corrosive elements like salt spray is common. Additionally, its excellent formability and weldability enable it to be shaped into intricate structures, meeting the needs of industries requiring precision machining such as aerospace, automotive, medical devices, and oil & gas facilities.
At Piyush Steel India, we provide competitive pricing for exotic alloys like ASTM A276 Round Bar. Clients have the option to request mill testing reports or third-party inspection services. Our commitment to meeting diverse buyer requirements is evident through our comprehensive range of standard and custom solutions.
Piyush Steel India is a manufacturer, stockist, exporter, and supplier of Stainless Steel Nitronic 50 round bars conforming to various national and international standards. We are one of the largest stockists of Nitronic 50 SS Round Bars.
Piyush Steel India is a manufacturer, stockist, exporter, and supplier of Stainless Steel Nitronic 50 Bright bars conforming to various national and international standards. We are one of the largest stockists of Nitronic 50 SS Bright Bars.
Piyush Steel India is a manufacturer, stockist, exporter, and supplier of Stainless Steel Nitronic 50 Square bars conforming to various national and international standards. We are one of the largest stockists of Nitronic 50 SS Square Bars.
Piyush Steel India is a manufacturer, stockist, exporter, and supplier of Stainless Steel Nitronic 50 Hex bars conforming to various national and international standards. We are one of the largest stockists of Nitronic 50 SS Hex Bars.
Piyush Steel India is a manufacturer, stockist, exporter, and supplier of Stainless Steel Nitronic 50 Flat bars conforming to various national and international standards. We are one of the largest stockists of Nitronic 50 SS Flat Bars.
Piyush Steel India is a manufacturer, stockist, exporter, and supplier of Stainless Steel Nitronic 50 Forged bars conforming to various national and international standards. We are one of the largest stockists of Nitronic 50 SS Forged Bars.
Nitronic 50 and Nitronic 60 are both austenitic stainless steels with distinct mechanical and physical properties. Nitronic 50, also known as Nit50, provides nearly double the yield strength of common austenitic stainless steel grades like Alloy 304 and Alloy 316L, while maintaining excellent ductility and toughness across various temperatures. With a Pitting Resistance Equivalent number (PREN) exceeding 34, Nitronic 50 rivals duplex stainless steel grades such as S32205 and surpasses regular Alloy 316L in corrosion resistance. It's suitable for hydrogen and sour service, resisting sulphide stress cracking as per NACE MR 01 75. Nitronic 50 is available in annealed and 'High Strength' conditions, offering versatility in machining and performance.
On the other hand, Nitronic 60, sharing the same trademark, is a specialized alloy valued for its resistance to galling, which occurs when metal surfaces unintentionally join, causing damage during separation. This resistance is crucial for components like couplings and connectors subjected to prolonged intimate contact under load. Nitronic 60, heavily alloyed with silicon and manganese, provides superior galling resistance.
Piyush Steel India stocks Nitronic 50 in both Annealed and High Strength conditions as solid round bars up to 10 inches (254mm) in diameter, while Nitronic 60 is available in various sizes to accommodate common applications.
Request the latest Stainless Steel Nitronic 50 Round Bar Price List. Please send an email to sales@piyushsteelroundbars.com for SS Nitronic 50 Round Bar, DIN 1.3964 Round Bar, UNS S20910 Round Bar, SUS Nitronic 50 Round Bar, ASTM A276 Nitronic 50 Stainless Steel Round Bar, ASME SA479 Nitronic 50 Stainless Steel Round Bar, XM-19 Round Bar, X2CrNiMnMoNNb21-16-5-3, Alloy N50, Nitronic 50 HS. Ready stock information and updated price list.
Product questions
This product is organized under Stainless Steel Round Bar. Use the category page to compare the grade range.
UNS S20910; DIN 1.3964; ASTM A276. Confirm the applicable standard and edition for your order.
Provide the grade and standard, diameter, length, quantity, condition, finish, tolerance, testing, documentation, destination, and required timing.
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