Our Inconel 600, 625, X-750, and 690 round bars are high-performance nickel-chromium alloys designed to tackle the toughest seawater-exposed marine environments. Inconel 600 (~72% nickel) excels in oxidation resistance, 625 (~61% nickel, molybdenum) shines in seawater corrosion resistance, X-750 (~70% nickel, titanium) delivers high strength, and 690 (~60% nickel, high chromium) handles stress corrosion cracking like a champ. Perfect for marine fittings, propeller shafts, and offshore platform components, these bars resist pitting and corrosion in harsh saltwater conditions. Easy to machine and weld, they’re built to keep your marine equipment running strong.
The marine industry is riding a wave of growth, driven by offshore oil and gas exploration, renewable energy projects like offshore wind, and global shipping demands. The marine materials market is expected to grow steadily through 2030, fueled by the need for corrosion-resistant components that can withstand seawater exposure. Our Inconel 600, 625, X-750, and 690 round bars are key players, offering unmatched durability and strength in marine environments. With sustainability trends pushing for materials that reduce maintenance and environmental impact, our bars align perfectly with the industry’s focus on long-lasting, eco-friendly solutions.
Comparison Table: Inconel 600, 625, X-750, 690 vs. Other Nickel-Based Alloy
Parameter | Inconel 600 | Inconel 625 | Inconel X-750 | Inconel 690 | Hastelloy C-276 |
|---|---|---|---|---|---|
Nickel Content | ~72% | ~61% | ~70% | ~60% | ~57% |
Chromium Content | ~14-17% | ~21-23% | ~15% | ~30% | ~16% |
Key Additives | Iron | Molybdenum, Niobium | Titanium, Aluminum | Iron | Molybdenum |
Operating Temp Range | -200°F to 2000°F (-129°C to 1093°C) | -423°F to 1800°F (-253°C to 982°C) | -200°F to 1300°F (-129°C to 704°C) | -200°F to 1800°F (-129°C to 982°C) | -200°F to 1900°F (-129°C to 1038°C) |
Corrosion Resistance | Good in reducing environments | Excellent in seawater and acids | Good in oxidizing environments | Superior in nuclear/seawater environments | Superior in harsh acids |
Oxidation Resistance | Excellent | Very good | Very good | Excellent | Good |
Tensile Strength | ~93 ksi | ~120 ksi | ~200 ksi | ~100 ksi | ~100 ksi |
Key Applications | Heat treatment, marine components | Offshore oil and gas, marine | Aerospace fasteners, marine | Nuclear, marine components | Chemical processing, pollution control |
Our Inconel round bars perform in critical marine applications:
Marine: Used in propeller shafts, fittings, and fasteners, resisting seawater corrosion and pitting.
Offshore Oil and Gas: Powers subsea valves and wellhead components, handling high pressure and corrosive fluids.
Chemical Processing: Supports piping and reactors exposed to corrosive marine-related chemicals.
Nuclear Industry: Enhances components like fuel assemblies, withstanding seawater and radiation.
Power Generation: Used in offshore wind turbine components, ensuring reliability in harsh conditions.
Their corrosion resistance and strength make them ideal for seawater-exposed marine components.
Item | Inconel 600 | Inconel 601 | Inconel 617 | Inconel 625 | Inconel 690 | Inconel 718 | Inconel X750 | Inconel 825 |
C | ≤0.15 | ≤0.1 | 0.05-0.15 | ≤0.08 | ≤0.05 | ≤0.08 | ≤0.08 | ≤0.05 |
Mn | ≤1 | ≤1.5 | ≤0.5 | ≤0.35 | ≤0.5 | ≤0.35 | ≤1 | ≤1 |
Fe | 6-10 | rest | ≤3 | rest | 7-11 | rest | 5-9 | ≥22 |
P | ≤0.015 | ≤0.02 | ≤0.015 | -- | -- | -- | -- | -- |
S | ≤0.015 | ≤0.015 | ≤0.015 | ≤0.015 | ≤0.015 | ≤0.01 | ≤0.01 | ≤0.03 |
Si | ≤0.5 | ≤0.5 | ≤0.5 | ≤0.35 | ≤0.5 | ≤0.35 | ≤0.5 | ≤0.5 |
Cu | ≤0.5 | ≤1 | -- | ≤0.3 | ≤0.5 | ≤0.3 | ≤0.5 | 1.5-3 |
Ni | ≥72 | 58-63 | ≥44.5 | 50-55 | ≥58 | 50-55 | ≥70 | 38-46 |
Co | -- | -- | 10-15 | ≤10 | -- | ≤1 | ≤1 | -- |
Al | -- | 1-1.7 | 0.8-1.5 | ≤0.8 | -- | 0.2-0.8 | 0.4-1 | ≤0.2 |
Ti | -- | -- | ≤0.6 | ≤1.15 | -- | -- | 2.25-2.75 | 0.6-1.2 |
Cr | 14-17 | 21-25 | 20-24 | 17-21 | 27-31 | 17-21 | 14-17 | 19.5-23.5 |
Nb+Ta | -- | -- | -- | 4.75-5.5 | -- | 4.75-5.5 | 0.7-1.2 | -- |
Mo | -- | -- | 8-10 | 2.8-3.3 | -- | 2.8-3.3 | -- | 2.5-3.5 |
B | -- | -- | ≤0.006 | -- | -- | -- | -- | -- |
Shape | Size (mm) |
Wire | 0.02-7.50 |
Rod/Bar | 8.0-200 |
Strip | (0.5-2.5)*(5-180) |
Tube/Pipe | Customized |
Sheet/Plate | Customized |
For more details, pls directly contact us.
Our Inconel 600, 625, X-750, and 690 round bars set the standard for marine applications. We produce bars that meet stringent ASTM B166, B446, B637, and ASME SB-166 standards, ensuring top-tier quality for your marine components. Unlike others, we offer customized solutions—specific diameters, lengths, and finishes tailored to your project needs. Our global supply chain guarantees consistent availability, and our DFARS-compliant products are perfect for marine and defense projects. Every batch is rigorously tested for corrosion resistance, tensile strength, and fatigue performance, so you get bars that last. Our 24/7 support team is ready to tackle your project challenges, making us the partner you can trust.
Why Our Inconel 600, 625, X-750, 690 Round Bars are the Best Choice
Our Inconel 600, 625, X-750, and 690 round bars are built for seawater-exposed marine components that demand durability and performance. Their superior corrosion resistance, strength, and ability to withstand harsh marine environments make them a game-changer for fittings, shafts, and offshore equipment. With the marine industry prioritizing sustainability and efficiency, our bars deliver long-term value by reducing maintenance and downtime. Ready to boost your marine projects? Contact us for a quote today and see how our Inconel round bars can transform your operations.
About Us:
Our 12,000㎡ factory is equipped with complete capabilities for research, production, testing, and packaging. We strictly adhere to ISO 9001 standards in our production processes, with an annual output of 1,200 tons. This ensures that we meet both quantity and quality demands. Furthermore, all products undergo rigorous simulated environment testing including high temperature, high pressure, and corrosion tests before being dispatched, ensuring they meet customer specifications.For all our clients, we offer timely and multilingual after-sales support and technical consulting, helping you resolve any issues swiftly and efficiently.
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FAQs:
What are Inconel 600, 625, X-750, and 690 round bars made of?
Inconel 600: ~72% nickel, ~14-17% chromium. Inconel 625: ~61% nickel, ~21-23% chromium, ~9% molybdenum. Inconel X-750: ~70% nickel, ~15% chromium, titanium. Inconel 690: ~60% nickel, ~30% chromium.Why are these Inconel alloys ideal for seawater-exposed marine components?
They offer excellent corrosion resistance against seawater, pitting, and stress corrosion cracking, ensuring durability in harsh marine environments.What temperatures can these Inconel round bars handle?
Inconel 600: up to 2000°F (1093°C). Inconel 625: -423°F to 1800°F (-253°C to 982°C). Inconel X-750: up to 1300°F (704°C). Inconel 690: up to 1800°F (982°C).What industries use these Inconel round bars?
Marine, oil and gas, chemical processing, aerospace, and nuclear industries rely on them for corrosion-resistant marine components.How do these Inconel alloys compare to each other?
Inconel 600 excels in oxidation resistance, 625 in seawater corrosion, X-750 in high strength, and 690 in stress corrosion cracking resistance.Are these Inconel round bars weldable?
Yes, all are weldable using standard techniques like TIG or MIG, making them versatile for marine component fabrication.What are the mechanical properties of these Inconel round bars?
Inconel 600: ~93 ksi tensile strength. Inconel 625: ~120 ksi. Inconel X-750: ~200 ksi. Inconel 690: ~100 ksi, all with excellent durability.How do these Inconel round bars support sustainability?
Their durability in corrosive seawater reduces maintenance and replacements, lowering costs and environmental impact in marine operations.