General Properties
Alloy C276 nickel alloy plate (UNS N10276) is an austenitic nickel-molybdenum-chromium alloy with a small addition of tungsten. It is one of the premier corrosion resistant materials available for process industries. Alloy C276 nickel alloy plate has excellent corrosion resistance in both oxidizing and reducing environments.
The combination of the high molybdenum and chromium content, along with the addition of tungsten, make Alloy C276 nickel alloy plate highly resistant to chloride stress corrosion cracking, pitting, crevice corrosion and general corrosion.
Alloy C276 nickel alloy plate can operate in oxidizing atmospheres up to 1900oF (1038oC), however, the alloy lacks sufficient chromium content to operate successfully in the most strongly oxidizing environments like hot, concentrated nitric acid.
The low carbon content of Alloy C276 nickel alloy plate enables the alloy to be utilized in the as-welded condition. It cannot be hardened by heat treatment, but can be hardened by cold working. The alloy has a higher work-hardening rate than the austenitic stainless steels which should be taken into consideration.
Alloy C276 nickel alloy plate can be easily welded and processed utilizing standard shop fabrication practices for austenitic stainless steels and nickel based alloys.
Chemical Analysis
Weight % (all values are maximum unless a range is otherwise indicated)
|
|
|
|
| Nickel |
Balance |
Manganese |
1.0 |
| Molybdenum |
15.0 min.-17.0 max. |
Carbon |
0.01 |
| Chromium |
14.5 min.-16.5 max. |
Vanadium |
0.35 |
| Iron |
4.0 min.-7.0 max. |
Phosphorous |
0.04 |
| Tungsten |
3.0 min.-4.5 max. |
Sulfur |
0.03 |
| Cobalt |
2.5 |
Silicon |
0.08 |
Physical Properties
Density
0.321 lbs/in3
8.89 g/cm3
Specific Heat
0.102 BTU/lb-°F (70°F)
427 J/kg-°K (20°C)
Modulus of Elasticity
29.8 x 106 psi
205.0 GPa
Thermal Conductivity 212°F (100°C)
67 BTU/hr/ft2/ft/°F
9.8 W/m-°K
Melting Range
2415 – 2500°F
1325 – 1370°C
Electrical Resistivity
51 Microhm-in at 75°C
1.30 Microhm-cm at 24°C
Mean Coefficient of Thermal Expansion
Temperature Range |
| °F |
°C |
in/in/°F |
cm/cm°C |
| 200 |
93 |
6.8 x 10-6 |
12.24 x 10-6 |
| 400 |
204 |
7.0 x 10-6 |
12.60 x 10-6 |
| 600 |
316 |
7.2 x 10-6 |
12.96 x 10-6 |
| 800 |
427 |
7.4 x 10-6 |
13.32 x 10-6 |
| 1000 |
538 |
7.8 x 10-6 |
14.0 x 10-6 |
| 1200 |
649 |
8.2 x 10-6 |
14.8 x 10-6 |
| 1400 |
760 |
8.5 x 10-6 |
15.3 x 10-6 |
| 1600 |
871 |
8.8 x 10-6 |
15.8 x 10-6 |
| 1700 |
927 |
9.0 x 10-6 |
16.2 x 10-6 |
Mechanical Properties
Typicals Values at 68°F (20°C)
Yield Strength
0.2% Offset |
Ultimate Tensile
Strength |
Elongation
in 2 in. |
Hardness |
| psi (min.) |
(MPa) |
psi (min.) |
(MPa) |
% (min.) |
(max.) |
| 41,000 |
283 |
100,000 |
690 |
40 |
100 Rockwell B |
Corrosion Resistance
Alloy C276 nickel alloy plate is one of the premier corrosion resistant materials that performs exceptionally well in both oxidizing and reducing environments. It resists chloride stress corrosion cracking, pitting, crevice and general corrosion. The alloy is also resistant to carbide precipitation during welding enabling it to be utilized in the as-welded condition.
In chemical processing applications, the alloy has exceptional resistance to sulfuric, hydrochloric, formic, acetic and phosphoric acids. Alloy C276 nickel alloy plate performs well in environments containing acid chlorides, solvents and acetic anhydride, The alloy is one of the few grades that withstands wet chlorine gas, hypochlorite and chlorine dioxide solutions.
Alloy C276 nickel alloy plate is highly resistant to concentrated solutions of oxidizing salts including iron and copper chloride. It also performs well in seawater, especially under crevice conditions where other frequently used alloys such as stainless steel, Alloy 400 and Alloy 625 fail.
The operating conditions of flue gas desulfurization systems offer a challenging environment for corrosion resistant materials. Scrubber liquors and gas condensates often contain chlorides. Alloy C276 nickel alloy plate nickel alloy plate has been shown to withstand higher chloride levels than other grades before the onset of localized corrosion in these systems.
Alloy C276 nickel alloy plate is used extensively in the recovery and processing of sour natural gas which contains hydrogen sulfide along with carbon dioxide and chlorides. Carbon and alloy steels cannot withstand this corrosive environment. They are subject to failure by sulfide stress cracking or stress corrosion cracking. The rich chemistry of Alloy C276 nickel alloy plate makes it resistant to sour environments even at high temperatures in deep wells.
FAQ
1. What is Hastelloy?
Hastelloy is a high-performance corrosion-resistant alloy widely used in industries such as chemical processing, aerospace, marine, and energy, especially in extreme temperature and corrosive environments. Its main components include nickel, molybdenum, chromium, and other metal elements.
2. What types of Hastelloy alloys do you sell?
We sell a variety of Hastelloy alloys, including but not limited to:
- Hastelloy C-276
- Hastelloy C-22
- Hastelloy B-2
- Hastelloy X
- Hastelloy G-30 Each alloy has different corrosion resistance properties and high-temperature characteristics, suitable for various industrial applications.
3. How do I choose the right Hastelloy material for my needs?
When selecting Hastelloy materials, consider the following factors:
- Operating Environment: Including temperature, corrosive media, oxidation conditions, etc.
- Corrosion Resistance: Different Hastelloy alloys have varying resistance to different types of corrosion (acidic, chlorides, oxidation, etc.).
- Mechanical Properties: Including tensile strength, hardness, etc., depending on the specific workload of the application.
If you're unsure about which alloy to choose, our technical support team can assist you with professional recommendations based on your requirements.
4. What specifications are available for your Hastelloy products?
We offer a wide range of Hastelloy products, including plates, pipes, bars, wires, and customized products. Specifications include various thicknesses, diameters, lengths, etc., to meet diverse customer needs.
5. What is the delivery time for Hastelloy products?
For standard stock items, the delivery time is typically 3-7 working days. For customized or specially processed products, delivery time may vary and is generally 2-4 weeks. Specific delivery times can be confirmed based on order quantities and production schedules.
6. How do you guarantee the quality of your Hastelloy products?
All of our Hastelloy products are sourced from reliable manufacturers and strictly adhere to international quality standards. Each batch of materials comes with detailed quality inspection reports and material certificates to ensure that the products meet performance and quality standards.
7. Do you offer technical support and consulting services?
Yes, we provide free technical support services. Our engineering team can assist with material selection, processing techniques, performance testing, and more. Whether it's product selection or engineering design, we can provide professional consulting services.
8. How can I get a quote?
You can request a quote through the following methods:
- Submit a quote request form on our website
- Call our sales hotline
- Contact us via email Please provide details such as the alloy type, specifications, quantity, and delivery location to receive an accurate quote.
9. Do you support international shipping?
Yes, we offer worldwide shipping. Our experienced logistics team can assist with various international shipping issues, including transportation options, customs handling, and destination requirements.
10. What payment methods do you accept?
We accept various payment methods, including bank transfers, credit card payments, PayPal, and more. The specific payment method can be confirmed based on the order amount and customer preferences.
11. Do you offer returns or exchanges?
Due to the customized or specialty nature of Hastelloy materials, our return and exchange policy is strict. Standard stock products can be returned or exchanged if they are unused and unprocessed. Please confirm the return/exchange conditions and process with our sales team before placing an order.
12. What certifications or documentation do you provide?
We can provide the following certifications and documents:
- Material inspection reports
- Material certificates
- Compliance certificates (e.g., ISO 9001 certification)
- Other certification documents as required by the customer
13. Do you offer processing or customization services?
Yes, we provide customized processing services for Hastelloy alloys, including cutting, welding, precision machining, and more. Whether it's standard dimensions or special requirements, we can process the materials to meet your needs.
14. How can I contact you for more information?
You can contact us through the following methods:
Online support: Visit our website for live chat
Address: 300 Meters North of Liaoniu Road and Xindong Ring Road, Liaocheng High-Tech Zone, Liaocheng, Shandong, China
We look forward to providing you with high-quality products and services!
If you have any other questions, feel free to contact us, and we will do our best to assist
Your message must be between 20-3,000 characters!
English
