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Nitronic 50 | Product Overview
Introduction To Nitronic 50 (UNS S20910)
MOKSH TUBES & FITTINGS LLP is a renowned manufacturer, supplier, exporter, importer, and stockist of Nitronic 50 stainless steel products, including pipes, tubes, sheets, plates, bars, and fittings.
Austenitic Stainless Steel Nitronic 50, is a nitrogen-strengthened austenitic stainless steel known for its exceptional corrosion resistance and high strength. It offers excellent resistance to stress corrosion cracking, pitting, and crevice corrosion in chloride environments. This alloy combines enhanced mechanical properties with good weldability and toughness, making it ideal for demanding applications in chemical, marine, and industrial environments.
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Technical Specifications – Nitronic 50 (UNS S20910)
| Category | Details |
|---|---|
| Material | Nitronic 50 Stainless Steel |
| UNS No. | S20910 |
| Alloy Type | Nitrogen-Strengthened Austenitic Stainless Steel |
| Chromium | 19 – 21 % |
| Nickel | 8 – 10 % |
| Nitrogen | 0.20 – 0.30 % |
| Magnetic Properties | Non-Magnetic |
| Heat Treatable | ❌ No |
| Strengthening Method | Nitrogen alloying & cold working |
| SCC Resistance | Excellent |
| Pitting / Crevice Resistance | Very Good |
| Typical Use | Marine, Chemical, High-Strength Parts |
Chemical Composition of Nitronic 50
| Element | Composition (%) |
|---|---|
| Carbon (C) | ≤ 0.03 |
| Chromium (Cr) | 19.0 – 21.0 |
| Nickel (Ni) | 8.0 – 10.0 |
| Manganese (Mn) | ≤ 1.0 |
| Silicon (Si) | ≤ 1.0 |
| Nitrogen (N) | 0.20 – 0.30 |
| Phosphorus (P) | ≤ 0.035 |
| Sulfur (S) | ≤ 0.03 |
| Iron (Fe) | Balance |
Physical Properties of Nitronic 50
| Property | Imperial Units | Metric Units |
|---|---|---|
| Density | 0.286 lb/in³ | 7.92 g/cm³ |
| Melting Point | 2550 – 2650 °F | 1399 – 1454 °C |
| Modulus of Elasticity | 28 × 10³ ksi | 193 GPa |
| Poisson’s Ratio | 0.27 | — |
Heat Treatment & Fabrication of Nitronic 50
| Process | Temperature Range | Purpose |
|---|---|---|
| Solution Annealing | 1040 – 1120°C | Restore corrosion resistance |
| Cooling | Water / Rapid Air | Maintain austenitic structure |
| Stress Relieving | 300 – 400°C | Reduce residual stresses |
| Cold Working | — | Increase strength & hardness |
| Welding | TIG / MIG / SMAW | Good weldability |
📌 Nitronic 50 achieves high strength without sacrificing corrosion resistance due to nitrogen strengthening.
Mechanical Properties of Nitronic 50 (Annealed)
| Property | Annealed | Cold-Drawn | Sheet |
|---|---|---|---|
| Tensile Strength | 550 – 760 MPa | 690 – 900 MPa | 585 – 790 MPa |
| Yield Strength (0.2%) | 275 – 480 MPa | 485 – 760 MPa | 310 – 520 MPa |
| Elongation | 35 – 50 % | 15 – 35 % | 30 – 45 % |
| Brinell Hardness | 150 – 200 | 200 – 260 | 160 – 220 |
| Rockwell Hardness | 85 – 100 B | 95 – 110 B | 90 – 105 B |
Available Forms & Size Range – Nitronic 50
| Product Form | Size Range |
|---|---|
| Pipes & Tubes | OD 6 – 450 mm, WT 1 – 40 mm |
| Sheets & Plates | 0.5 – 80 mm |
| Coils & Strips | 0.1 – 6 mm |
| Bars (Round / Flat / Hex) | Ø 6 – 350 mm |
| Wire & Mesh | Standard & custom sizes |
| Fittings & Flanges | ASME / DIN standards |
| Custom Components | CNC machined parts |
International Standards & Equivalent Grades – Nitronic 50
| Standard | Equivalent |
|---|---|
| UNS | S20910 |
| ASTM | Nitronic 50 |
| AISI | Nitronic 50 |
| EN | 1.3964 |
| DIN | X12CrMnNiN18-14-3 |
| JIS | SUS XM-19 (similar) |
Products in Austenitic Stainless Steel Nitronic 50
Austenitic Stainless Steel Nitronic 50 is available in:
Austenitic Stainless Steel Nitronic 50 products are produced to the following global standards:
Uses and Advantages
High strength and excellent toughness at elevated temperatures
Superior resistance to stress corrosion cracking and chloride pitting
Good weldability and formability
Enhanced corrosion resistance in aggressive environments
Maintains mechanical properties over a wide temperature range
Applications of Austenitic Stainless Steel Nitronic 50
Austenitic Stainless Steel Nitronic 50 is widely used in applications requiring high strength and excellent corrosion resistance, such as:
Power Generation
Boiler tubes, superheater tubes, heat exchangers.
Chemical Processing Equipment
Pumps, valves, and vessels exposed to corrosive chemicals.
Marine and Offshore
Components exposed to seawater and marine atmospheres.
Power Generation
Boiler parts, heat exchangers, and turbine components.
Automotive and Aerospace
Structural components requiring toughness and corrosion resistance.
Food and Pharmaceutical Industries
Equipment requiring hygienic properties with corrosion resistance.
WHY CHOOSE US?
NITRONIC 50 PRICE PER KG (INDIA)
Typical Range: ₹520 – ₹900 per kg
(Price varies by OD, wall thickness, form, and finish)
Contact us for exact quotation based on size and quantity.
FAQ's
What is Nitronic 50 stainless steel and why is it used?
Nitronic 50 is a nitrogen strengthened austenitic stainless steel that provides superior corrosion resistance, high strength, and toughness. It is widely used in marine, chemical, and industrial applications where resistance to pitting, crevice corrosion, and stress corrosion cracking is critical.
How does Nitronic 50 compare to conventional stainless steels like 304 and 316?
Compared to 304 and 316 stainless steel, Nitronic 50 offers nearly double the yield strength and significantly better resistance to chloride induced corrosion. It also maintains excellent mechanical properties across a wide temperature range, making it ideal for aggressive environments.
What are the common applications of Nitronic 50 stainless steel?
Nitronic 50 is used in power generation, marine & offshore, chemical processing, food & pharmaceutical equipment, automotive, and aerospace industries. Typical applications include heat exchangers, pumps, valves, fasteners, and seawater exposed components.
What Nitronic 50 products are available at MOKSH TUBES & FITTINGS LLP?
We supply a complete range of Nitronic 50 products including pipes, tubes, sheets, plates, coils, bars, flanges, fittings, fasteners, and custom fabricated components, all manufactured to meet international quality standards.
Why choose MOKSH TUBES & FITTINGS LLP for Nitronic 50 stainless steel?
MOKSH TUBES & FITTINGS LLP is a trusted manufacturer, supplier, and exporter with extensive stock, certified products, technical expertise, competitive pricing, and global delivery. We provide reliable solutions tailored to industries requiring high strength, corrosion-resistant stainless steel.
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Contact Us
For inquiries or to request a quote for Nitronic 50 stainless steel products, contact Moksh Tubes & Fittings LLP — your dependable partner for high-performance alloys. Get in Touch