








Inconel 740H Plate & Inconel 740H Sheet, please note that the above table provides a range of standard thicknesses, widths, and lengths for Inconel.
- Dimensions:
- Width: 50mm – 2800mm
- Length: 100mm – 12000mm
- Thickness: 0.2mm – 60mm
*Customized size needs to be confirmed with us
- Payment Term:L/C at sight, T/T, West Union ,
- Package:Export wooden pallets, Craft paper, Anti-Blushing Agent.
- Delivery Time: Future goods: Also 30 Work days, Ready Stock:7-15 days.
Inconel 740H Plate Size And Specifications
Inconel 740H Plate is a nickel-chromium-cobalt superalloy designed for high-temperature applications, particularly in advanced ultra-supercritical (A-USC) power plants. It offers exceptional strength, oxidation resistance, and creep resistance at elevated temperatures. Below is a detailed description of Inconel 740H plates and sheets, including their chemical composition, mechanical properties, physical properties, and applications. Huaxiao Metal Supplier will provides all kinds of inconel alloys in China.
Huaxiao Metal Supplier provides all sizes of inconel alloy plate & sheet for sale. Customized specifications are available upon request. Additionally, the exact chemical composition and mechanical properties may vary slightly within the ranges listed, depending on the specific alloy formulation and production process. Custom sizes are also available upon request. Welcome to inquire, and learn about more details about the alloy plate.
Chemical Composition of Inconel 740H Sheet
Inconel 740H is primarily composed of nickel, chromium, and cobalt, with additions of titanium, aluminum, and niobium for strengthening. The typical chemical composition is as follows:
Element | Composition (%) | Purpose/Effect |
---|---|---|
Nickel (Ni) | 50 min | Provides the base matrix, offering high strength and corrosion resistance. |
Chromium (Cr) | 24–26 | Enhances oxidation and corrosion resistance, especially at high temperatures. |
Cobalt (Co) | 15–20 | Improves high-temperature strength and creep resistance. |
Molybdenum (Mo) | 0.5 max | Enhances resistance to pitting and crevice corrosion. |
Titanium (Ti) | 1.8–2.4 | Forms strengthening precipitates (gamma prime phase) for high strength. |
Aluminum (Al) | 0.9–1.5 | Works with titanium to form gamma prime precipitates. |
Niobium (Nb) | 1.0–2.0 | Enhances creep resistance and stabilizes the alloy. |
Iron (Fe) | 0.7 max | Acts as a stabilizer and improves mechanical properties. |
Carbon (C) | 0.03 max | Kept low to minimize carbide formation and maintain weldability. |
Manganese (Mn) | 0.3 max | Acts as a deoxidizer and improves hot workability. |
Silicon (Si) | 0.5 max | Improves oxidation resistance and fluidity during casting. |
Phosphorus (P) | 0.015 max | Minimized to prevent embrittlement. |
Sulfur (S) | 0.007 max | Minimized to avoid hot cracking during welding. |
Boron (B) | 0.003 max | Enhances grain boundary strength and creep resistance. |
As a distributer, our company has the all kinds of inconel products, the shapes and materials can customized services according to your needs, and we will have some promotional activities with preferential policies, welcome to understand the concrete activities and order the customerized products in China of the top of alloy manufacturer.



Physical Properties
Inconel 740H has several notable physical properties that contribute to its performance in high-temperature environments:
Property | Value |
---|---|
Density | 8.05 g/cm³ (0.291 lb/in³) |
Melting Point | 1320–1370°C (2410–2500°F) |
Thermal Conductivity | 11.7 W/m·K (at 100°C) |
Electrical Resistivity | 1.25 µΩ·m (at 20°C) |
Specific Heat Capacity | 450 J/kg·K (at 20°C) |
Modulus of Elasticity | 214 GPa (31,000 ksi) |
Inconel 625 plate has the good properties, and the price is affforable and suitable. If you have the inconel alloy requirements or other alloy, you can contact us and send to email for our company. Of course, you have any questuions about alloy, you can consult to ourselves experts, who will offer the free consultations to the customerized solutions. Huaxiao Supplier has the various shapes and materials alloy products in China.
Mechanical Properties
Inconel 740H exhibits excellent mechanical properties, making it suitable for high-temperature applications:
Property | Value |
---|---|
Tensile Strength | 900–1100 MPa (130–160 ksi) |
Yield Strength | 600–800 MPa (87–116 ksi) |
Elongation | 20–30% |
Hardness (Rockwell B) | 95–110 HRB |
Density | 8.05 g/cm³ (0.291 lb/in³) |
Melting Point | 1320–1370°C (2410–2500°F) |
Corrosion Resistance
Inconel 740H plate offers excellent corrosion resistance in a wide range of environments:
Oxidizing Environments: High chromium content provides resistance to oxidation and scaling at high temperatures.
Reducing Environments: Molybdenum and niobium enhance resistance to pitting and crevice corrosion.
Stress Corrosion Cracking (SCC): Resistant to SCC in chloride and sulfide environments.
Inconel 740H Sheet Cost Considerations
Inconel 740H sheet is a high-performance nickel-chromium-cobalt superalloy designed for extreme environments, particularly in advanced ultra-supercritical (A-USC) power plants. While it offers exceptional strength, oxidation resistance, and creep resistance at high temperatures, the cost of Inconel 740H sheets is significantly higher compared to other materials. Below is a detailed analysis of the factors influencing the cost of Inconel 740H sheets, strategies to manage expenses, and a cost comparison with other materials. Huaxiao Metal Manufacturer has the good and reliable alloy products and welcome to consult our experts any questions about alloy, we will freely slove to you and give solutions.
1. Factors Influencing the Cost of Inconel 740H Sheets
Factor | Description |
---|---|
Raw Material Costs | Nickel, chromium, and cobalt are expensive raw materials, contributing to the high cost of Inconel 740H. |
Manufacturing Process | The complex manufacturing process, including melting, rolling, and heat treatment, adds to the cost. |
Sheet Thickness | Thicker sheets require more raw material and longer processing times, increasing costs. |
Sheet Size | Larger sheets may incur higher costs due to increased material usage and handling requirements. |
Surface Finish | Special surface finishes, such as polished or coated sheets, can add to the overall cost. |
Quantity Ordered | Bulk orders may reduce the per-unit cost due to economies of scale. |
Supplier Margins | Different suppliers may have varying profit margins, affecting the final price. |
Market Demand | High demand for Inconel 740H can drive up prices, while low demand may lead to discounts. |
Geopolitical Factors | Trade tariffs, import/export restrictions, and currency fluctuations can impact costs. |
2. Cost Comparison with Other Materials
Material | Approximate Cost per kg (USD) | Key Considerations |
---|---|---|
Inconel 740H | 100–150 | High cost due to expensive raw materials and complex manufacturing processes. |
Inconel 625 | 50–100 | Lower cost but less resistant to extreme temperatures and corrosive environments. |
Stainless Steel 316 | 5–10 | Much lower cost but unsuitable for high-temperature and corrosive applications. |
Carbon Steel | 1–3 | Very low cost but unsuitable for high-temperature and corrosive applications. |
Titanium Alloys | 30–60 | Comparable cost to Inconel 740H but with different performance characteristics. |



3. Strategies to Manage Costs
Strategy | Description |
---|---|
Bulk Purchasing | Ordering larger quantities can reduce the per-unit cost due to economies of scale. |
Supplier Negotiation | Negotiating with suppliers for better pricing or discounts based on long-term relationships. |
Alternative Materials | Considering alternative materials for less critical applications where Inconel 740H is not essential. |
Optimized Design | Designing components to minimize material usage without compromising performance. |
Local Sourcing | Sourcing materials locally to reduce shipping and import/export costs. |
Recycling Scrap | Recycling scrap material from manufacturing processes to reduce waste and material costs. |
4. Applications Justifying the Cost of Inconel 740H Sheets
Industry | Applications | Justification for Cost |
---|---|---|
Power Generation | Boiler tubes, superheaters, reheaters. | High strength and creep resistance are critical for efficiency and safety. |
Aerospace | Turbine blades, exhaust systems. | Superior resistance to high temperatures and oxidation ensures long-term reliability. |
Chemical Processing | Reactors, heat exchangers, piping. | Excellent resistance to corrosive chemicals ensures long-term reliability. |
Oil and Gas | Downhole tools, valves, wellheads. | Durability in harsh environments reduces maintenance and replacement costs. |
Inconel 740H sheets are a premium material with a high cost due to their superior performance in extreme environments. The cost is influenced by factors such as raw material prices, manufacturing processes, and market demand. While the initial investment is significant, the long-term benefits of durability, corrosion resistance, and high-temperature performance often justify the expense. By employing cost management strategies and carefully evaluating the necessity of Inconel 740H for specific applications, businesses can optimize their investment in this high-performance alloy.
What are the Benefits?

Inconel740 alloy is a Ni-based high-temperature alloy that can be precipitation hardened and is widely used in advanced ultra-supritical boiler units, operating under high stress and long-term above 973K (700℃), where creep is the dominant deformation mode. Due to-term exposure to high temperatures, the alloy will form plate-like η phase, which may have an adverse effect on the creep strength and ductility of the alloy. It has excellent mechanical properties, physical properties, corrosion resistance and so on, which is very suitable for various industries and is a very good alloy materialWelcome to Huaxiao Metal Manufacturer to requset the price, trust you can be satisfied in the alloy products.
Inconel 740H Sheet Fabrication and Machining
Inconel 740H can be fabricated using standard techniques, but its high strength and work-hardening tendency require special considerations:
Fabrication Process | Details | Challenges |
---|---|---|
Welding | – TIG, MIG, and plasma arc welding are commonly used. – Post-weld heat treatment is often required to relieve stresses. | – Susceptibility to hot cracking. – Requires matching filler metals. |
Machining | – Requires carbide or ceramic tools. – Slow speeds and high feed rates. – Coolants are essential to prevent overheating. | – High work hardening tendency. – Tool wear due to toughness. |
Forming | – Can be cold or hot formed. – Hot forming is preferred for complex shapes. | – High strength makes forming difficult. – Risk of cracking during bending. |
Heat Treatment | – Solution annealing at 1095–1205°C (2000–2200°F) followed by rapid cooling. | – Precise temperature control is required to achieve optimal properties. |
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Inconel 740H Plate Applications and Uses
Huaxiao Metal Supplier provides all kinds of inconel alloy plate and sheet in the world. Welcome to inquiry.
Inconel 740H plates and sheets are used in a variety of demanding applications due to their combination of strength and corrosion resistance:
Industry | Applications |
---|---|
Power Generation | Boiler tubes, superheaters, and reheaters in A-USC power plants. |
Aerospace | Turbine blades, exhaust systems, and rocket motors. |
Chemical Processing | Reactors, heat exchangers, and piping systems. |
Heat Treating | Furnace components, muffles, and heat shields. |
Oil and Gas | Downhole tools, valves, and wellhead components. |
Within the petroleum industry, this alloy is crucial for high-temperature and high-pressure applications such as wellbore drill bits and electrical heaters, adapting to the demanding environments of oil and gas exploration. Additionally, Inconel 601 plate plays a vital role in the nuclear power sector, where it is used for components like fuel cladding and control rods, enduring the intense radiation conditions within nuclear reactors.Overall, Inconel 625 plate offers versatility and durability, making it an indispensable material for demanding industrial applications. The inconel alloy products have the assurance and the delievery is fast, the service wholeheartedly serve the customers.



Inconel 740H Plate and Sheet Advantages
Inconel 740H plate and sheet offer a multitude of advantages that make them highly suitable for a wide range of applications, particularly in high-temperature and corrosive environments. Huaxiao Metal Supplier will provide the all kinds of alloy products and the service is good for every customers, welcome to your inquiry or ask for the lastest price.
Below are some of the key advantages of Inconel 740H plate and sheet, presented in a detailed and point-by-point manner:
Excellent High-Temperature Strength
- Inconel 740H plate maintains high tensile and yield strengths even at temperatures up to 750°C. This makes it ideal for applications where high mechanical loads are present at elevated temperatures, such as in power generation boilers and turbine components.
Superior Creep Resistance
- The alloy exhibits excellent creep resistance, which is crucial for components that are exposed to long-term high-temperature conditions. Creep deformation can lead to premature failure, but Inconel 740H’s resistance to creep ensures longer service life and reliability.
Excellent Corrosion Resistance
- Inconel 740H plate is highly resistant to corrosion, including oxidation, carbonization, and sulfurization, at high temperatures. This makes it suitable for applications in corrosive environments, such as those found in chemical processing and power generation plants.
Good Weldability
- The alloy has excellent welding characteristics and can be welded using various methods, including TIG, MIG, and resistance welding. This makes it easier to fabricate and join Inconel 740H plate components, which is essential for many industrial applications.
Excellent Mechanical Properties
- In addition to high strength and creep resistance, Inconel 740H plate also offers good ductility and toughness. These properties enable the alloy to withstand significant mechanical loads without failing, ensuring the integrity and reliability of the components.
Adaptability to Various Processing Techniques
- Inconel 740H plate can be processed using a variety of techniques, including hot and cold working, forging, and machining. This versatility allows for the production of complex shapes and components, meeting the diverse needs of various industries.
Long-Term Stability
- The alloy’s microstructure remains stable even after long-term exposure to high temperatures. This stability ensures that the mechanical properties of Inconel 740H plate components are maintained over time, reducing the risk of premature failure.
Compliance with Industry Standards
- Inconel 740H plate meets or exceeds the requirements of various industry standards and specifications, ensuring its suitability for use in critical applications where safety and reliability are paramount.
Advantages | Limitations |
---|---|
– Excellent high-temperature strength. – Good oxidation and corrosion resistance. – Versatile in fabrication. | – Susceptible to stress corrosion cracking in chloride environments. – Expensive compared to stainless steels. – Difficult to machine and form. |
Alloy Factory Show
Huaxiao Metal Supplier provides professional services and reasonable prices, offering customers the best quality products. The Inconel 740H Plate Alloy Factory is a specialized manufacturing facility dedicated to the production of high-quality Inconel alloy plates. This factory combines advanced technology, rigorous quality control, and experienced personnel to ensure the production of Inconel alloy plates that meet the highest standards.The factory is equipped with state-of-the-art production equipment and machinery, capable of producing Inconel alloy plates with precise dimensions and consistent quality.Welcome to reqiure, and ask to the lastest price, I believe you will be satisfied with this price, and if you make a long-term order, we will provide you with a preferential discount, looking to cooperating with you soon.



In Conclusion
Inconel 740H plates and sheets are high-performance nickel-chromium alloys that offer excellent corrosion resistance, high-temperature strength, and versatility in demanding environments. They are widely used in industries such as aerospace, chemical processing, and power generation. While they offer numerous advantages, including superior mechanical properties and corrosion resistance, they also present challenges in machining and heat treatment. Understanding these characteristics is crucial for selecting the right material for specific applications, ensuring optimal performance and cost-effectiveness.
Huaxiao Metal Supplier is the top of alloy supply in China, which our company is reliable and creditable, the alloy products is good quality and the delievery is fast, the services is best customerized for you. Inconel 740H plate and sheet offer a combination of excellent high-temperature strength, creep resistance, corrosion resistance, weldability, mechanical properties, processing versatility, long-term stability, and compliance with industry standards. These advantages make Inconel 740H an ideal material for a wide range of applications in high-temperature and corrosive environments.
Inconel 740H plates and sheets are high-performance nickel-chromium-cobalt alloys that offer excellent corrosion resistance, high-temperature strength, and versatility in demanding environments. They are widely used in industries such as power generation, aerospace, and chemical processing. While they offer numerous advantages, including superior mechanical properties and corrosion resistance, they also present challenges in machining and heat treatment. Understanding these characteristics is crucial for selecting the right material for specific applications, ensuring optimal performance and cost-effectiveness. Looking forward to your inquiry and contact us about alloy any doubts for slove.
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Inconel 740H is a nickel-based, precipitation-hardenable superalloy. Its properties include:
- Excellent high-temperature strength and creep resistance.
- Good corrosion resistance to coal ash and flue gas.
- Superior welding performance suitable for various welding methods.
- Outstanding hot and cold working properties.
These properties make it ideal for applications like power generation boiler tubes.
Whether Inconel is stronger than stainless steel depends on specific grades and applications. Generally, Inconel 740H, as a nickel-based superalloy, exhibits higher strength and better creep resistance at high temperatures compared to stainless steel. However, stainless steel may offer better corrosion resistance in certain environments.The price of Inconel varies depending on the grade and form (e.g., sheet, rod, tube). For example, Inconel 740H can range from around 140 to 460 yuan per kilogram. The exact price also depends on market conditions, supplier, and quantity ordered.
The price of Inconel varies depending on the grade and form (e.g., sheet, rod, tube). For example, Inconel 740H can range from around 20 to 70 dollar per kilogram. The exact price also depends on market conditions, supplier, and quantity ordered.
The disadvantages of Inconel include:
- Limited Thermal Conductivity: Its thermal conductivity is relatively low, which can hinder heat transfer.
- High Cost: Inconel is typically more expensive than stainless steel and other alloys.
- Processing Challenges: Due to its hardness, Inconel can be challenging to machine and form.
These factors should be considered when selecting materials for specific applications.