Our GH1140 Nickel Alloy Seamless Tube is a tough, reliable choice for high-temperature boiler systems that face extreme heat and corrosion. This iron-based superalloy, with about 35-40% nickel, 13-17% chromium, and a touch of molybdenum, is engineered to handle temperatures up to 1,800°F (982°C) while resisting oxidation, corrosion, and creep. With a tensile strength of around 120,000 psi and solid durability, it’s perfect for boiler tubes, superheater tubing, and high-temperature fittings. Whether you’re building power plants or industrial furnaces, GH1140 delivers top-notch performance.
At DLX, we’ve designed this seamless tube for precision and durability. Available in outer diameters from 6mm to 50mm, wall thicknesses from 0.5mm to 5mm, and customizable lengths, it’s versatile for boiler system applications. Its seamless construction ensures uniformity, and it meets ASTM B435 and AMS 5536 standards, guaranteeing quality for critical high-temperature projects.
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The superalloy market is booming, driven by power generation, chemical processing, and industrial furnace sectors. Materials that can withstand high temperatures and corrosive environments are in high demand as industries aim for efficiency and equipment longevity. Alloys like GH1140 are critical for boiler systems and furnace components, where extreme heat and oxidative conditions challenge material performance. Power generation relies on these alloys for reliable boiler and turbine parts, while chemical processing needs them for high-temperature equipment.
Trends like energy-efficient designs and advanced manufacturing are shaping the market, requiring materials that balance strength with workability. Stricter environmental regulations and the push for reduced emissions are driving demand for alloys that extend component life and minimize maintenance. Challenges like creep, thermal fatigue, and corrosion make high-quality superalloys like GH1140 essential. The market is poised for growth as energy and industrial sectors invest in durable materials for next-gen boiler systems.
Item | Nimonic80A | Nimonic 90 | GH1140 | GH3625 | GH3536 | GH4169 | |
C | ≤0.08 | ≤0.1 | ≤0.13 | 0.06-0.12 | ≤0.1 | 0.05-0.15 | ≤0.08 |
Mn | ≤2 | ≤1 | ≤1 | ≤0.7 | 3.14-4.15 | -- | ≤0.35 |
Fe | rest | ≤3 | ≤1.5 | rest | ≤0.5 | -- | rest |
P | ≤0.04 | ≤0.02 | -- | ≤0.025 | -- | -- | -- |
S | ≤0.03 | ≤0.015 | ≤0.015 | ≤0.015 | -- | -- | ≤0.01 |
Si | ≤1 | ≤1 | ≤1 | ≤0.8 | -- | -- | ≤0.35 |
Cu | -- | -- | ≤0.2 | -- | -- | -- | ≤0.3 |
Ni | 24-27 | rest | -- | 35-40 | rest | rest | 50-55 |
Co | -- | ≤2 | 15-21 | -- | ≤1.00 | 0.5-2.5 | ≤1.00 |
Al | ≤0.35 | 1-1.8 | 1-2 | 0.2-0.6 | ≤0.4 | ≤0.5 | 0.2-0.8 |
Ti | 1.9-2.35 | 1.8-2.7 | 2-3 | 0.7-1.2 | ≤0.4 | ≤0.15 | 0.7-1.15 |
Cr | 13.5-16 | 18-21 | 18-21 | 20-23 | 20-23 | 20.5-23 | 17-21 |
Nb | -- | -- | -- | -- | -- | -- | 4.75-5.5 |
Mo | 1-1.5 | -- | -- | 2-2.5 | 8-10 | 8-10 | 2.8-3.3 |
B | 0.001-0.1 | ≤0.008 | ≤0.02 | -- | -- | -- | -- |
V | 0.1-0.5 | -- | -- | -- | -- | -- | -- |
W | -- | -- | -- | 1.4-1.8 | -- | 0.2-1 | -- |
Zr | -- | ≤0.15 | ≤0.15 | -- | -- | -- | -- |
Pb | -- | -- | ≤0.002 | -- | -- | -- | -- |
Ce | -- | -- | -- | ≤0.05 | -- | -- | -- |
Size Range | |
Wire | 0.5-7.5mm |
Rod/Bar | 8.0-200mm |
Strip | (0.50-2.5)*(5-180)mm |
Tube | custom made |
| Plate | custom made |
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GH1140 Nickel Alloy Seamless Tube is a go-to for high-temperature boiler systems. It’s used for boiler tubes, superheater tubing, and heat exchanger components in power plants, where heat resistance and corrosion resistance are critical. In industrial furnaces, it’s ideal for radiant tubes and muffles exposed to extreme temperatures. Chemical processing applications include reactors and piping systems handling corrosive gases and high heat. It’s also used in oil and gas for high-pressure tubing in demanding environments.
Its ability to resist oxidation and maintain strength at high temperatures makes it perfect for both structural and functional components. The tube’s seamless design and formability ensure precision fabrication, making it a versatile choice for demanding projects, from small fittings to large boiler system assemblies.
Parameter | GH1140 | Other High-Temperature Alloys |
|---|---|---|
Nickel Content | 35-40% for corrosion and heat resistance | Often lower or higher, e.g., 20-60% |
Tensile Strength | 120,000 psi (as treated) | Typically 100,000-130,000 psi |
Temperature Resistance | Up to 1,800°F (982°C) | Often limited to 1,200-1,600°F (649-871°C) |
Corrosion Resistance | Excellent, resists oxidation and gases | Moderate, less effective in harsh conditions |
Weldability | Good for TIG and MIG | Varies, some prone to cracking |
Creep Resistance | Outstanding, ideal for boiler systems | Often lower, less suited for long-term stress |
Applications | Power generation, chemical, furnaces | General-purpose, less specialized |
Formability | Excellent, seamless for precision | Varies, some less uniform |
DLX Company Advantages
At DLX, we’re all about delivering quality you can trust. Our GH1140 Nickel Alloy Seamless Tube is crafted with state-of-the-art manufacturing to ensure consistency and top performance. We meet ASTM B435 and AMS 5536 standards, focusing on precision and purity to deliver tubes free of defects. Our seamless production process ensures uniformity, making fabrication and welding a breeze for your boiler system projects.
We’re more than just a supplier. Our team provides hands-on support, helping you select the right tube dimensions or optimize fabrication and welding settings for your specific needs. We offer customizable lengths and flexible delivery options to fit your project timeline, backed by our high production capacity that ensures fast turnaround without sacrificing quality.
Efficiency and sustainability are at the heart of what we do. GH1140’s excellent formability and weldability reduce waste and rework, saving you time and materials. We’ve optimized our supply chain to keep costs competitive while delivering a premium product. With DLX, you’re partnering with a company dedicated to your success, ensuring your boiler system components perform in the toughest high-temperature and corrosive environments.
Why Choose DLX’s GH1140?
Our GH1140 Nickel Alloy Seamless Tube is built for high-temperature boiler systems, delivering unmatched strength, corrosion resistance, and creep resistance. From superheater tubing to heat exchanger components, it ensures durability in extreme conditions. Its seamless design and formability make it a top choice for precision manufacturing. With DLX, you get a high-quality product backed by a team committed to helping you succeed. Choose GH1140 for boiler system components that endure extreme heat, stress, and time.
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:
Why is GH1140 ideal for boiler systems?
Its high tensile strength (120,000 psi) and heat resistance up to 1,800°F (982°C) make it perfect for boiler tubes and superheaters.What temperatures can GH1140 handle?
It performs reliably at temperatures up to 1,800°F (982°C) with excellent creep resistance.What industries use GH1140?
Power generation, chemical processing, and industrial furnace sectors rely on it for high-temperature components.Is GH1140 corrosion-resistant?
Yes, it resists oxidation and corrosion in high-temperature and harsh environments.Can GH1140 be welded?
Yes, it offers good weldability for TIG and MIG processes, ensuring strong joints.What forms is GH1140 available in?
It’s available as seamless tubes with outer diameters from 6mm to 50mm, customizable for your project.How does GH1140 handle stress?
Its high strength and creep resistance make it ideal for components under constant heat and stress.What standards does GH1140 meet?
It complies with ASTM B435 and AMS 5536 for quality and performance assurance.