What's the difference between Inconel 600 and stainless steel 316?
Inconel 600 is a nickel-chromium alloy, ideal for high-temperature applications due to its superior strength and corrosion resistance (especially its resistance to stress corrosion cracking at high temperatures). Stainless steel 316 is an iron-based alloy, offering better value and excellent resistance to general corrosion and pitting (especially in chloride-containing environments), but its high-temperature strength is lower than that of Inconel 600. The choice between the two depends on the specific operating temperature, required strength, and corrosion resistance of the application.
Can Inconel 600 alloy be welded?
Inconel 600 alloy can be welded using various methods, such as tungsten inert gas welding (GTAW) or argon arc welding (TIG). Other methods include gas metal arc welding (GMAW), gas metal arc welding (MIG), and plasma arc welding (PAW).
Inconel 600 vs 316 Stainless Steel
| Property | Inconel 600 | 316 Stainless Steel |
| Composition | Nickel-chromium-iron alloy | Chromium-nickel-molybdenum alloy |
| Heat Resistance | Up to 2000° F (1093° C) | Up to 1500° F (816° C) |
| Corrosion Resistance | Excellent in acidic environments | Excellent in basic or alkaline environments |
| Cost | More expensive | Less expensive |
| Applications | High-temperature and corrosive environments | Basic or alkaline environments |
| Machinability | More challenging | Easier |
| Equivalent Grades | Werkstoff Nr. 2.4816, UNS N06600, AFNOR NC15FE11M | Werkstoff Nr. 1.4401/1.4436, UNS S31600 |
| Melting Point, Density, Tensile Strength | Higher | Lower |
Inconel 600 vs. Stainless Steel 316 – Mechanical Properties
Both alloys exhibit high strength and good ductility in terms of mechanical properties. However, Inconel 600 tends to have superior creep resistance and tensile strength at high temperatures, making it the preferred material for applications requiring prolonged exposure to high temperatures. Conversely, while Stainless Steel 316 also offers good strength and ductility, its mechanical properties may not remain as excellent as Inconel 600 under these conditions.
Inconel 600 vs. Stainless Steel 316 – Welding Characteristics
Furthermore, the weldability of these two alloys differs. Inconel 600 is relatively easy to weld and can be joined using various welding methods. However, special care must be taken to avoid cracking and other weld defects. On the other hand, Stainless Steel 316 can also be welded using standard welding techniques, but it is less prone to weld-related problems.
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.
