Hastelloy C-276 Round Bars – Ultimate Strength for Aerospace & Marine
Discover premium Hastelloy C-276 Round Bars engineered for ultimate corrosion resistance and high strength in aerospace and marine environments. UNS N10276 nickel alloy bars offer exceptional pitting, crevice, and stress corrosion cracking resistance in harsh acids, chlorides, and seawater. Perfect for critical components requiring superior weldability and durability.
- Overview
- Specification
- Applications
- FAQs
- Recommended Products
- Superior Corrosion Resistance in Oxidizing & Reducing Environments:Exceptional resistance to pitting, crevice corrosion, and stress corrosion cracking in chloride-rich and acid media, outperforming many stainless steels and competing nickel alloys.
- High Mechanical Strength & Thermal Stability:Maintains high tensile strength, yield strength, and ductility across a wide temperature range, ideal for high-pressure aerospace and marine structural components.
- Excellent Weldability & Fabricability:Low carbon and controlled chemistry minimize carbide precipitation, allowing easy welding (GTAW, SMAW, etc.) and forming without sensitization risks.
- Resistance to Harsh Chemicals & Seawater:Proven performance against ferric/cupric chlorides, wet chlorine, hypochlorites, and brine solutions—key for chemical processing and offshore marine applications.
Introduction to Hastelloy C-276 Round Bars
Hastelloy C-276 Round Bars deliver unmatched performance as high-performance nickel-molybdenum-chromium superalloy bars. Designed for extreme conditions, these corrosion-resistant round bars excel in oxidizing and reducing environments, making them the ultimate choice for aerospace components and marine applications where reliability under stress is non-negotiable.
With excellent mechanical strength, outstanding weldability (even in the as-welded condition), and resistance to pitting, crevice corrosion, and stress corrosion cracking, Hastelloy C276 round bars (UNS N10276 / Alloy C-276) stand as a trusted solution for demanding industrial needs.
Product Features of Hastelloy Round bars




Applications of Hastelloy C-276 Round Bars
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Aerospace Industry: Used in jet engines, turbine blades, exhaust ducts, and structural components exposed to high temperatures and corrosive conditions.
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Marine Applications: Ideal for shipbuilding, offshore drilling platforms, and seawater handling systems due to its superior seawater corrosion resistance.
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Chemical Processing: Essential for heat exchangers, reaction vessels, and piping systems exposed to strong acids and oxidizing agents.
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Power Plants: Used in heat-resistant structures within nuclear and fossil fuel power plants.
- Medical Equipment: Applied in specialized surgical tools and implants requiring biocompatibility and corrosion resistance.




FAQs:
1.What makes Hastelloy C-276 Round Bars superior for aerospace and marine use?
Their nickel-molybdenum-chromium composition provides unmatched resistance to pitting, crevice corrosion, and stress corrosion cracking in seawater, acids, and chlorides, while maintaining high strength at temperature.
2.What standards do Hastelloy C-276 bars comply with?
Primarily ASTM B574 for bars, plus ASME, NACE MR0175 for sour service, and equivalents like UNS N10276 / 2.4819.
3Are Hastelloy C-276 Round Bars weldable?
Yes—excellent weldability with minimal risk of sensitization due to low carbon content; no post-weld heat treatment is typically required.
4.What sizes and forms are available?
Round bars in various diameters (e.g., 6mm to 150mm+), with custom lengths and machining options available upon request.
5.How does C-276 compare to stainless steel or Inconel 625 in marine environments?
C-276 offers significantly better pitting/crevice resistance and broader chemical compatibility than 316L stainless or even Alloy 625 in many chloride and mixed-acid conditions.
