What is the difference between Inconel 600 and stainless steel 310?
Inconel 600 is a nickel-based alloy that performs exceptionally well at high temperatures, offering higher strength, corrosion resistance, and heat resistance compared to stainless steel 310. Stainless steel 310 is a more affordable general-purpose stainless steel with good heat resistance, but its strength decreases significantly at high temperatures, and its corrosion resistance is not as good as Inconel 600. The main determining factors are cost and application requirements; Inconel is suitable for demanding, high-temperature applications, while stainless steel is better suited for applications with relatively milder conditions.
Is Inconel 600 magnetic?
Inconel 600 is non-magnetic, possesses excellent mechanical properties, combining high strength with good machinability and ease of welding. The 600 alloy exhibits cold-forming characteristics generally similar to chromium-nickel stainless steel.
Inconel 600 vs. Stainless Steel 310 – Chemical Composition
The main difference between Inconel 600 and Stainless Steel 310 lies in their chemical composition. Inconel 600 is primarily composed of nickel, with significant amounts of chromium and iron. This nickel-chromium-iron alloy is designed to provide excellent oxidation and corrosion resistance at high temperatures. The high nickel content contributes to its stability and corrosion resistance, while chromium enhances its oxidation resistance.
On the other hand, Stainless Steel 310 is an austenitic stainless steel with chromium and nickel as its main alloying elements. It also contains small amounts of carbon and other elements. The chromium content gives it excellent corrosion resistance, while the nickel content enhances its ductility and toughness. Compared to some other stainless steel grades, Stainless Steel 310 has a higher carbon content, allowing it to operate at higher temperatures.
Comparison Table: Inconel 600 vs Stainless Steel 310
| Property | Inconel 600 | Stainless Steel 310 |
|---|---|---|
| Yield Strength | 40 ksi (276 MPa) | 30 ksi (205 MPa) |
| Tensile Strength | 95 ksi (655 MPa) | 75 ksi (520 MPa) |
| Elongation | 30-40% | Minimum 40% |
| Hardness | 85 HRB | Maximum 95 Rb |
| Temperature Resistance | Up to 1093°C (2000°F) | Up to 1093°C (2000°F) |
Inconel 600 vs. Stainless Steel 310 – Mechanical Properties
Both Inconel 600 and Stainless Steel 310 possess good mechanical properties, but there are significant differences between them. Inconel 600 is renowned for its excellent creep resistance, meaning it retains its shape and strength even under prolonged high temperatures. It also exhibits good fatigue strength, making it suitable for applications subjected to repetitive stress.
While stainless steel 310 also possesses good high-temperature strength, its ductility and weldability are more prominent. This makes it easy to form and join, suitable for a wide range of manufacturing processes. However, its creep resistance is generally lower than that of Inconel 600, limiting its use in high-temperature applications.
Inconel 600 vs. Stainless Steel 310 – Corrosion Resistance
Both alloys exhibit good corrosion resistance, but they excel in different types of environments. Inconel 600 alloys possess extremely strong resistance to oxidation and corrosion in high-temperature oxidizing atmospheres, such as those found in furnaces and heat treatment equipment. It maintains its corrosion resistance even after prolonged exposure to these environments.
On the other hand, 310 stainless steel is known for its corrosion resistance in a wide variety of environments, including those containing acids, alkalis, and salts. It performs well in both oxidizing and reducing environments, making it suitable for chemical processing and other industrial applications where corrosion is a concern.
Why Choose Gnee Nickel Alloy (Supplier Example)?
✅ Large stock of Incoloy alloy tubes/bars/plates/fittings/coils, fast shipping.
✅ Factory direct sales, highly competitive prices, excellent value for money.
✅ Comprehensive quality assurance: Material Testing Certificate (MTC), chemical composition certificate, and mechanical property certificate.
✅ Value-added services: slitting, cutting, polishing, surface treatment.
✅ Worldwide shipping, secure and reliable packaging, and provision of export-required documents.
Email: ss@gneemetal.com
Gnee Steel is a supplier of Inconel 600 alloy, offering a wide range of products including: seamless pipe (sizes: 4-219 mm; thickness: 0.5-20 mm); welded pipe (sizes: 5.0-1219.2 mm; thickness: 0.5-20 mm); plates (thickness: 0.1 to 100 mm; width: 10-2500 mm); strips; alloy round bars (diameter: 3-800 mm); flat bars (thickness: 2-100 mm; width: 10-500 mm); hexagonal bars (size: 2-100 mm); wire rods; and extruded profiles. We collaborate with steel mills to provide our customers with Inconel 600 alloy products that meet or exceed numerous leading industry standards, including ASTM, ASME, SAE, AMS, ISO, DIN, EN, and BS standards.
Gnee Steel stocks and sells Inconel 600, pipes, plates, strips, round bars, flat bars, forged billets, hexagonal steel, wire rods, and extruded profiles. Please feel free to contact us at ss@gneesteel.com for a quote.
