Hastelloy C-276 Bar for High-Temperature Aerospace Turbine Fasteners

Our Hastelloy C-276 bar is a total beast for high-temperature aerospace turbine fasteners, built to handle the scorching heat and tough conditions of jet engines and spacecraft systems. This nickel-molybdenum-chromium alloy, with about 57% nickel, 16% molybdenum, 16% chromium, plus a touch of tungsten and iron, is our go-to for applications where corrosion resistance and strength are critical. Whether it’s bolts, fasteners, or structural supports in turbine systems, this bar keeps your aerospace components locked in and performing like a champ.

For more details, pls directly contact us.

What makes Hastelloy C-276 bar stand out is its killer ability to resist oxidation and corrosion at temperatures up to 1093°C. It’s perfect for turbine fasteners that face intense heat, hot gases, and mechanical stress in high-performance engines. This bar fights off pitting, crevice corrosion, and stress corrosion cracking, ensuring your fasteners stay secure and reliable, even in the harshest aerospace environments.

This bar’s versatility is a huge win. Its high thermal stability makes it ideal for turbine components operating in blistering conditions, like those in gas turbines or rocket propulsion systems. Its low thermal conductivity (~10 W/m·K) helps with precise thermal management, and its high strength ensures it holds up under mechanical stress. From commercial jets to space exploration vehicles, Hastelloy C-276 delivers top-notch performance.

Parameter	Hastelloy C-276 Bar	Hastelloy C-22 Bar	Stainless Steel 17-4 PH Bar	Inconel 718 Bar
Corrosion Resistance	Excellent (hot gases, acids)	Excellent, better in oxidizing acids	Good, weaker in chlorides	Very good, less in oxidizing gases
Thermal Conductivity	Low (~10 W/m·K)	Low (~10 W/m·K)	Low (~15 W/m·K)	Low (~11 W/m·K)
Thermal Stability	High (up to 1093°C)	High (up to 1038°C)	High (up to 482°C)	High (up to 704°C)
Mechanical Strength	High, good ductility	High, slightly less ductile	Very high, precipitation-hardened	Excellent, high fatigue strength
Formability	Moderate, requires special handling	Moderate, requires special handling	Moderate, harder to machine	Moderate, requires special handling
Cost	High, due to alloy complexity	High, similar to C-276	Moderate, lower than Hastelloy	High, comparable to C-276
Typical Applications	Turbine fasteners, aerospace supports	Marine components, chemical seals	Aerospace fittings, springs	Turbine blades, aerospace components
Durability	Long lifespan, excellent in high temps	Long, slightly less in pitting	Long, varies in corrosive settings	Long, strong in high-stress settings

We love how workable this bar is, even with its complex alloy makeup. You can machine, forge, or weld it into whatever your fastener design needs—think precision bolts or sturdy supports. Need a specific diameter, length, or finish? We can tailor it to fit your specs, ensuring smooth fabrication and keeping your aerospace project on track.

The aerospace industry’s all about materials that are strong, lightweight, and sustainable, and Hastelloy C-276 bar checks every box. It’s recyclable, which is awesome for eco-friendly projects, and its long lifespan means less waste from replacements. With global air travel, defense, and space exploration booming—think next-gen aircraft, urban air mobility, and lunar missions—demand for high-performance materials like Hastelloy C-276 is soaring. Its durability supports the trend toward low-maintenance, fuel-efficient aerospace designs.

Specification

item	HC-276	C-22	C-4	B2	B3	N
C	≤0.01	≤0.015	≤0.015	≤0.02	≤0.01	0.04-0.08
Mn	≤1	≤0.5	≤1	≤1	≤3	≤1
Fe	4-7	2-6	≤3	≤2	≤1.5	≤5
P	≤0.04	≤0.02	≤0.04	≤0.04	--	≤0.015
S	≤0.03	≤0.02	≤0.03	≤0.03	--	≤0.02
Si	≤0.08	≤0.08	≤0.08	≤0.1	≤0.1	≤1
Ni	rest	rest	rest	rest	≤65	rest
Co	≤2.5	≤2.5	≤2	≤1	≤3	≤0.2
Ti+Cu	--	--	≤0.7	--	≤0.4	≤0.35
Al+Ti	--	--	--	--	≤0.5	≤0.5
Cr	14.5-16.5	20-22.5	14-18	≤1	≤1.5	6-8
Mo	15-17	12.5-14.5	14-17	26-30	≤28.5	15-18
B	--	--	--	--	--	≤0.01
W	3-4.5	2.5-3.5	--	--	≤3	≤0.5
V	≤0.35	≤0.35	--	0.2-0.4	--	≤0.5

Shape	Size (mm)
Wire	0.5-7.5
Rod/Bar	8.0-200
Strip	(0.5-2.5)*(5-180)
Tube/Pipe	Custom made
Sheet/Plate	Custom made

For more details, pls directly contact us.

Our Hastelloy C-276 bar sets the standard because we’re all about quality, customization, and customer success. We offer a wide range of diameters, lengths, and finishes, with fast delivery for both small and large orders. Our team dives into your project, optimizing the bar for your turbine fasteners to ensure maximum corrosion resistance and performance at high temperatures. We keep pricing competitive, especially for bulk orders, without cutting corners on quality. Our sustainable production process uses recyclable materials, aligning with green aerospace trends. Plus, our hands-on support means you’re always covered—whether it’s technical guidance or a custom solution, we make it happen.

Compared to other materials, our Hastelloy C-276 bar is a standout. Hastelloy C-22 is great for oxidizing acids but slightly less effective in reducing acids and high-temperature pitting scenarios. Stainless steel 17-4 PH is tough but can’t handle extreme heat and corrosion like C-276. Inconel 718 is strong but less resistant to certain acid-heavy environments. Our bar is the go-to for high-temperature aerospace turbine fasteners.

We craft our Hastelloy C-276 bar to meet strict standards like ISO 9001, ensuring quality you can trust every time. Whether you’re building fasteners for jet engines or supports for spacecraft, this bar’s ready to perform. Got a unique spec in mind? Let us know, and we’ll make it happen.

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:

1. What is Hastelloy C-276 bar made of?
   It’s a nickel-molybdenum-chromium alloy with about 57% nickel, 16% molybdenum, 16% chromium, plus tungsten and iron for corrosion resistance.

2. What are the main uses for Hastelloy C-276 bar in aerospace?
   It’s used for turbine fasteners, bolts, and structural supports in high-temperature aerospace engine systems.

3. How does Hastelloy C-276 bar perform in high-temperature environments?
   It’s a champ, resisting oxidation and corrosion at temperatures up to 1093°C.

4. Can Hastelloy C-276 bar perform?
   Yep, it resists corrosion from hot gases, chlorides, and acids, ideal for aerospace turbine fasteners.

5. Is Hastelloy C-276 bar cost-effective?
   It’s pricier than stainless steel, but its durability in harsh environments makes it a smart long-term choice.

6. How does Hastelloy C-276 bar compare to Hastelloy C-4-22 bar?
   C-276 excels in reducing acids and pitting resistance, while C-22 is better for oxidizing environments.

7. Can Hastelloy C-276 bar be customized?
   Totally! We can adjust diameter, length, or finish to meet your specific fastener needs.

8. Is Hastelloy C-276 bar environmentally friendly?
   It’s recyclable, supporting green practices, and its long lifespan reduces waste from replacements.