When you specify hastelloy c-276 plate for harsh environments, you set high expectations for performance and reliability. The astm b575 standard guides you to select plate that resists aggressive chemicals and extreme conditions. You often see hastelloy c276 plate used in industries that need c-276 to handle corrosion and high temperatures. The table below shows where hastelloy plate proves essential:
| Industry | Applications |
|---|---|
| Chemical Processing | Chemical reactors, distillation columns, piping systems |
| Oil and Gas | Downhole equipment, piping, heat exchangers |
| Pulp and Paper | Bleach plant digesters, evaporators, liquor tanks |
| Waste Treatment | Pollution control equipment, scrubbers, ducting |
Key Takeaways
- HASTELLOY C-276 plate excels in harsh environments due to its exceptional corrosion resistance, making it ideal for chemical processing and oil and gas industries.
- When selecting HASTELLOY C-276 plate, consider thickness, dimensions, and surface finish to ensure optimal performance in your specific application.
- Always request compliance certificates from suppliers to verify that your HASTELLOY C-276 plate meets ASTM B575 standards for chemical composition and mechanical properties.
- Use appropriate welding methods like TIG or MIG to maintain the corrosion resistance of HASTELLOY C-276 plate during fabrication.
- Monitor environmental conditions closely, as prolonged exposure to extreme heat can affect the mechanical properties of HASTELLOY C-276 plate.
Hastelloy C-276 Plate Overview
Alloy Composition
You will find that hastelloy c276 plate belongs to the family of low-carbon nickel-chromium-molybdenum alloys. The unique composition of this plate gives it outstanding performance in harsh environments. The hastelloy c276 composition includes a balance of nickel, chromium, and molybdenum, which forms the backbone of this corrosion-resistant nickel alloy. The table below shows the typical chemical composition for nickel alloy c276 plate according to ASTM B575:
| Element | Percentage |
|---|---|
| Nickel | Balance |
| Molybdenum | 15.0 – 17.0 |
| Chromium | 14.5 – 16.5 |
| Iron | 4.0 – 7.0 |
| Tungsten | 3.0 – 4.5 |
| Cobalt | 2.5 max |
| Manganese | 1.0 max |
| Carbon | 0.01 max |
| Vanadium | 0.35 max |
| Phosphorus | 0.04 max |
| Sulfur | 0.03 max |
| Silicon | 0.08 max |
This nickel-molybdenum-chromium alloy stands out among alloys for its precise blend, which supports its superior resistance.
Corrosion Resistance
When you choose hastelloy c276 plate, you select a material known for its exceptional corrosion resistance. This plate resists general corrosion, pitting, crevice corrosion, and stress corrosion cracking. Nickel alloy c276 outperforms many other alloys in laboratory tests, especially as the amount of c-276 increases in a component. You can rely on this corrosion resistant alloy to handle boiling sulfuric acid, hydrochloric acid with inhibitors, and even wet chlorine gas. Nickel alloy c276 also performs well in seawater, brine, and reducing acids. Its resistance to high temperature corrosion below 400°C makes it a top choice for demanding applications. You benefit from low maintenance costs and easy weldability, since nickel alloy c276 can be welded without heat treatment.
Tip: The resistance of hastelloy c276 plate to pitting and crevice corrosion in chloride solutions is especially valuable in marine and chemical processing environments.
Common Applications
You will see hastelloy c276 plate used across many industries that demand high corrosion resistance. The table below highlights where nickel alloy c276 plate is most often applied:
| Industry | Primary Applications |
|---|---|
| Chemical Industry | Chemical compound production, distillation towers, heat exchangers, reactors |
| Marine Engineering | Seawater handling equipment, heat exchangers, pump shafts, chlorine dryers |
| Aerospace | Engine components, exhaust systems, turbine blades |
| Petrochemical | Benzene, toluene, xylene, sulfuric acid production, handling anhydrous hydrogen chloride gas |
| Nuclear Power Generation | Reactor components, boiling water reactors, steam turbine components |
Hastelloy c276 plate, as a nickel-molybdenum-chromium alloy, supports critical operations in these sectors. You can trust this plate to deliver reliable performance where other alloys may fail.
ASTM B575 Hastelloy C-276 Specification
Product Forms and Dimensions
When you specify c276 hastelloy plate, you need to know the available product forms and their dimensions. The astm b575 hastelloy c276 specification covers several forms, including plate, sheet, coil, and strip. You can choose the right form for your project based on thickness and width. The table below shows the typical product forms and their size ranges:
| Product Form | Thickness (in) | Width (max in) |
|---|---|---|
| Sheet | under 3/16″ | 24″ and over |
| Plate | 3/16″ and over | over 10″ |
| Strip | under 3/16″ | under 24″ |
| Clad Plate | N/A | N/A |
You can also select from different surface finishes for c276 hastelloy plate and hastelloy c276 sheet. Each finish has its own thickness and width limits:
| Surface Finish | Thickness (mm) | Width (max mm) |
|---|---|---|
| 2B | 0.25–8.0 | 2032 |
| 2D | 0.4–6.35 | 1524 |
| 2E | 0.4–8.0 | 2032 |
| 2R | 0.25–3.5 | 1524 |
| 2H | 0.4–6.35 | 1524 |
| Polished | 0.5–4.0 | 1524 |
The astm b575 uns n10276 standard allows you to order c276 hastelloy plate in a wide range of sizes. You can find plate thicknesses from 2.5 mm up to 100 mm. The most common plate sizes range from 1000 mm x 2000 mm to 2000 mm x 4000 mm. This flexibility helps you match the plate to your design needs.
Note: Always check the astm b575 hastelloy c276 specifications for the exact size and finish you need. This ensures your hastelloy c-276 plate meets your project requirements.
Mechanical Properties
The astm b575 hastelloy c276 specification sets strict mechanical property requirements for c276 hastelloy plate. You can expect high strength and durability from this alloy. The minimum yield strength for hastelloy c-276 plate is 54 ksi, and the minimum tensile strength is 115 ksi. These values make c276 hastelloy plate stronger than many other corrosion-resistant alloys.
| Property | HASTELLOY C-276 | 316 Stainless Steel |
|---|---|---|
| Tensile Strength | Superior | Lower |
| Corrosion Resistance | High in high-temp | High in low-temp |
You can rely on c276 hastelloy plate to perform well under pressure and in harsh environments. The astm b575 uns n10276 standard ensures that each plate meets these mechanical requirements. Quality control tests, such as tensile strength verification, confirm that the plate will hold up in demanding applications.
Tip: Always request test certificates for your c276 hastelloy plate to verify compliance with astm b575 hastelloy c276 mechanical property standards.
Chemical Requirements
The astm b575 hastelloy c276 specification defines strict chemical composition limits for each element in the alloy. You need to make sure your hastelloy c-276 plate meets these requirements to guarantee top performance. The table below lists the key chemical composition limits for astm b575 uns n10276:
| Element | Limit |
|---|---|
| C | 0.010 max |
| Mn | 1.00 max |
| Si | 0.08 max |
| S | 0.03 max |
| Co | 2.50 max |
| Ni | 50.99 min* |
| Cr | 14.50–16.50 |
| Fe | 4.00–7.00 |
| Mo | 15.00–17.00 |
| P | 0.04 max |
The astm b575 hastelloy c276 chemical composition ensures high corrosion resistance and durability. Nickel provides strong resistance to corrosion. Molybdenum improves resistance to pitting and stress corrosion cracking. Chromium adds protection against oxidizing agents. You can see how each element in the chemical composition impacts the performance of c276 hastelloy plate:
| Element | Composition (%) | Impact on Performance |
|---|---|---|
| Nickel | 57 | High corrosion resistance |
| Molybdenum | Varies | Enhances resistance to pitting and stress cracking |
| Chromium | Varies | Provides resistance to oxidization |
You should always confirm that your hastelloy c276 plate, hastelloy c276 sheet, or hastelloy c276 coil meets the astm b575 uns n10276 chemical composition requirements. Quality control tests, such as chemical analysis, help ensure compliance with the astm b575 hastelloy c276 standard.
| Quality Control Test | Description |
|---|---|
| Chemical Analysis | Ensures the chemical composition meets astm b575. |
| Tensile Strength Verification | Confirms the mechanical strength of the plates. |
| Dimensional Inspection | Checks the dimensions for tight accuracy. |
Remember: Only plate that meets the astm b575 uns n10276 specifications will deliver the corrosion resistance and mechanical strength you expect from c276 hastelloy plate.
Specifying Hastelloy C-276 Plate
Selection Criteria
When you select hastelloy c-276 plate for your project, you need to match the plate’s properties to your application. Start by considering the thickness, dimensions, and finish. Each factor affects how the plate performs in your environment. For example, thicker plates offer more strength, while specific finishes can improve corrosion resistance or appearance.
You should also look at the mechanical properties and corrosion resistance. Hastelloy c276 plate gives you good fabricability and resists grain boundary precipitation in weld heat-affected areas. This means you can weld the plate without losing corrosion resistance. The plate stands up well to organic and inorganic chlorides, acids, brine solutions, and seawater. You can use it in as-welded conditions, which is ideal for chemical and petrochemical industries.
Here is a table to help you compare key selection criteria:
| Criteria | Details |
|---|---|
| Mechanical Properties | Good fabricability and resistance to grain boundary precipitation at weld heat-affected areas |
| Corrosion Resistance | Effective against organic & inorganic chlorides, acids, brine solutions, and seawater |
| Application Suitability | Ideal for chemical and petrochemical industries, especially in as-welded conditions |
You can find hastelloy c-276 plate in many sizes, wall thicknesses, widths, and lengths. Many suppliers offer custom-made standards to meet your specific needs. You will see this plate used in oil and gas, petrochemical, chemical, drainage treatment, and pharmaceutical industries.
Tip: Always match the plate’s thickness and finish to the chemicals and temperatures in your process. This helps you get the best performance from hastelloy c276.
Certification and Documentation
When you buy hastelloy c-276 plate, you need to make sure it meets the astm standard. Ask your supplier for compliance certificates. These documents prove that your plate meets the requirements for chemical composition, mechanical properties, and dimensions.
You should look for certificates that reference ASTM B575. This standard covers nickel alloy plate, sheet, and strip. Other related standards include ASTM B574 for rod, ASTM B619 for welded pipe, ASTM B622 for seamless pipe and tube, and ASTM B626 for welded tube. Here is a quick reference table:
| ASTM Standard | Description |
|---|---|
| ASTM B574 | Standard Specification for Nickel Alloy Rod |
| ASTM B575 | Standard Specification for Nickel Alloy Plate, Sheet, and Strip |
| ASTM B619 | Standard Specification for Welded Nickel Alloy Pipe |
| ASTM B622 | Standard Specification for Seamless Nickel Alloy Pipe and Tube |
| ASTM B626 | Standard Specification for Welded Nickel Alloy Tube |
Always request a test certificate with your order. This certificate should confirm the plate’s compliance with ASTM B575. It should also include results from chemical analysis and mechanical testing.
Note: Proper documentation protects you from quality issues and helps you meet industry regulations.
Equivalency Considerations
If you work on international projects, you may need to compare hastelloy c-276 plate to other standards. Many countries use their own codes for nickel alloys. You should check if your plate meets these equivalent standards before you use it in a global project.
Here is a table showing recognized equivalents for hastelloy c276:
| STANDARD | WERKSTOFF NR. | UNS | JIS | BS | GOST | EN | OR |
|---|---|---|---|---|---|---|---|
| Hastelloy C276 | 2.4819 | N10276 | NW 0276 | – | ХН65МВУ | NiMo16Cr15W | ЭП760 |
| ASME SB575 Hastelloy C276 | 2.4819 | N10276 | NW 0276 | ХН65МВУ | NiMo16Cr15W | ЭП760 |
You should always confirm that your plate matches the required standard for your region or client. This helps you avoid delays and ensures your project meets all technical requirements.
Callout: If you need to substitute hastelloy c276 with another alloy, always check the equivalency tables and consult your supplier. Not all alloys offer the same corrosion resistance or mechanical strength as c-276.
Application and Fabrication
Performance in Harsh Environments
When you use HASTELLOY C-276 plate in demanding settings, you gain several advantages. This plate stands out for its universal corrosion resistance. You can rely on it to handle strong oxidizers and a wide range of corrosive media. Many chemical processing plants choose this plate because it resists localized corrosion, even in the presence of sulfur compounds and chloride ions. Flue gas desulfurization systems often use this plate for these reasons.
- The plate offers excellent resistance to pitting and stress-corrosion cracking.
- You can trust it in oxidizing atmospheres up to 1900 °F (1038 °C).
- The plate performs well in environments with high concentrations of sulfur and chlorides.
- Effective management of temperature and pressure helps you get the best results from the plate.
- Prolonged exposure to extreme heat can change mechanical properties, so you should monitor conditions closely.
- Using thermal barriers or insulation can help you keep the plate at a steady temperature.
Tip: Always match your plate specification to the real-world environment. This ensures you get the performance you expect.
Fabrication and Welding
You can fabricate HASTELLOY C-276 plate using many standard methods. Most suppliers deliver the plate in a solution heat-treated state. This process involves heating the plate to 2050 °F and then rapidly quenching it. This step helps the plate keep its mechanical strength and corrosion resistance.
When you weld the plate, you should use methods like gas tungsten-arc, gas metal-arc, or shielded metal-arc welding. Avoid oxy-acetylene and submerged arc welding for corrosion service. These methods can damage the plate’s resistance. Focus on minimizing heat input during welding. This reduces the risk of hot-cracking and keeps the plate’s properties intact.
Note: Always check that your plate meets the astm standard before and after fabrication. Proper processing ensures the plate will perform as needed in your application.
When you specify HASTELLOY C-276 plate, you need to follow clear steps. Start by checking the dimensional standards and available sizes. Review the production method and choose the right form for your project. The table below shows important details:
| Specification | Details |
|---|---|
| Size | 1000 mm x 2000 mm, 1220 mm x 2440 mm, 1500 mm x 3000 mm, 2000 mm x 2000 mm, 2000 mm x 4000 mm |
| Thickness | 1.0mm – 200mm |
| Form | Coils, Sheet, Plate, Strip, Flats, Ring, etc. |
You should always consult technical documentation and speak with suppliers. This helps you match the plate to your chemical environment, mechanical load, and temperature range. For critical uses, request traceable certifications. Careful specification ensures reliable performance in your application.
FAQ
What is the main advantage of HASTELLOY C-276 plate?
You get outstanding resistance to many types of corrosion. This plate works well in harsh chemical environments. You can use it where other alloys fail.
How do you verify ASTM B575 compliance?
Always ask your supplier for a test certificate. This document shows the plate meets ASTM B575 standards for chemical composition and mechanical properties.
Can you weld HASTELLOY C-276 plate easily?
Yes, you can weld this plate using standard methods like TIG or MIG. The plate resists grain boundary precipitation, so you keep corrosion resistance after welding.
What industries use HASTELLOY C-276 plate most often?
- Chemical processing
- Oil and gas
- Marine engineering
- Power generation
You see this plate in places that need high corrosion resistance and strength.
Is HASTELLOY C-276 plate available in custom sizes?
| Option | Availability |
|---|---|
| Standard Sizes | Yes |
| Custom Sizes | Yes |
You can order standard or custom sizes to fit your project needs.
