310S Powder: The Heat-Resistant Stainless Steel for Tough Conditions
Low MOQ
Provide low minimum order quantity to meet different needs.
OEM & ODM
Provide customized products and design services to meet unique customer needs.
Adequate Stock
Ensure fast order processing and provide reliable and efficient service.
Customer Satisfaction
Provide high quality products with customer satisfaction at the core.
share this article
Table of Contents
When it comes to stainless steel powders used in high-temperature environments, 310S powder stands out as one of the best. Known for its high oxidation resistance, excellent heat resistance, and durability, this alloy is often the first choice for applications like furnace components, heat exchangers, and kilns. But what exactly makes 310S powder so special, and how does it compare to other alloys like 316L or 304L?
In this comprehensive guide, we’ll talk about everything there is to know about 310S powder—from its composition to its properties, applications, specifications, and even pricing. We’ll break down the advantages and limitations of this material, and how it stacks up against other stainless steel powders. Whether you’re in the automotive, aerospace, or chemical processing industry, this guide will help you decide if 310S powder is the right choice for your next project.
Overview
What is 310S Powder?
310S powder is a low-carbon version of stainless steel 310, specifically designed for environments where high-temperature resistance is crucial. The S in 310S stands for “low carbon”, meaning it has a reduced carbon content compared to its counterpart, making it even more resistant to sensitization and intergranular corrosion at high temperatures.
This powder is primarily used in extreme heat applications, where materials are exposed to oxidation and corrosive atmospheres. In additive manufacturing, powder metallurgy, and metal injection molding, 310S powder is valued for its ability to maintain structural integrity and performance under stress.
Key Features
- Superior Heat Resistance: Handles temperatures up to 1150°C without significant degradation.
- Oxidation Resistance: Performs exceptionally well in oxidizing environments.
- Corrosion Resistance: Resists corrosion in both acidic and mildly corrosive settings.
- Low Carbon Content: Reduces the risk of intergranular corrosion.
- Versatile Applications: Suitable for additive manufacturing, powder metallurgy, and welding.
Composition and Properties
If you’re considering using 310S powder, understanding its chemical composition and mechanical properties is crucial. The alloy’s composition drives its performance in high-temperature and corrosive environments, making it suitable for industrial uses where standard stainless steels may fail.
Detailed Composition
| Element | Percentage (%) | Role in the Alloy |
|---|---|---|
| Iron (Fe) | Balance | Provides structural strength and integrity. |
| Chromium (Cr) | 24.0 – 26.0% | Enhances corrosion and oxidation resistance at elevated temperatures. |
| Nickel (Ni) | 19.0 – 22.0% | Increases ductility and improves performance in high-temperature environments. |
| Carbon (C) | Max 0.08% | Low carbon content minimizes intergranular corrosion during welding. |
| Manganese (Mn) | Max 2.0% | Improves formability and adds strength. |
| Silicon (Si) | Max 1.5% | Enhances oxidation resistance at high temperatures. |
| Phosphorus (P) | Max 0.045% | Trace element, kept low to preserve ductility. |
| Sulfur (S) | Max 0.03% | Another trace element, kept low to improve machinability. |
The high chromium and nickel content in 310S powder give it its impressive heat resistance and oxidation resistance, making it a top choice for high-temperature applications. The low carbon content also ensures that the material remains resistant to corrosion after welding, making it ideal for fabricated components.
Physical and Mechanical Properties
It’s essential to look at the mechanical properties of 310S powder, especially if you plan to use it in stressful or high-temperature conditions. Below is a breakdown of its key physical and mechanical characteristics.
| Property | Value | Explanation |
|---|---|---|
| Density | 7.9 g/cm³ | High density, contributing to the material’s mechanical strength. |
| Tensile Strength | 515 MPa | Provides good mechanical strength even at elevated temperatures. |
| Yield Strength | 205 MPa | Suitable for structural applications requiring moderate strength. |
| Elongation at Break | 40% | High ductility, allowing it to be formed into complex shapes. |
| Hardness (Brinell) | 160 HB | Relatively hard, offering good wear resistance. |
| Melting Point | 1,400°C | Can withstand high temperatures without melting or deforming. |
| Corrosion Resistance | Excellent | Performs well in oxidizing and mildly corrosive environments. |
| Thermal Conductivity | 14.2 W/m·K | Lower than copper, but sufficient for heat exchanger applications. |
These properties make 310S powder ideal for industries that need materials that can endure extreme temperatures and oxidizing atmospheres. Its tensile strength and elongation at break also make it suitable for fabricated components that need to maintain integrity under stress.
Applications
Given its heat resistance and corrosion resistance, 310S powder finds its way into a wide range of industrial applications. From furnace parts to gas turbines, the alloy is a favorite in industries where high temperatures and oxidizing environments are the norms.
Common Applications
| Industry | Application | Why 310S is Used |
|---|---|---|
| Aerospace | Gas turbines, exhaust systems | Handles extreme heat and provides oxidation resistance. |
| Automotive | Exhaust manifolds, turbochargers | Can withstand the high heat generated by combustion engines. |
| Chemical Processing | Heat exchangers, piping, reactors | Resists corrosive chemicals and handles high temperatures. |
| Energy | Furnace components, boilers, heat recovery systems | Performs well in oxidizing atmospheres at high temperatures. |
| Additive Manufacturing | Custom parts for high-temp applications | Powder format allows for precision manufacturing. |
Aerospace Applications
In the aerospace industry, 310S powder is frequently used in gas turbines and exhaust systems. These components are exposed to high temperatures and need to maintain their strength and oxidation resistance over time. 310S powder ensures that these parts can handle the thermal cycles and corrosive atmospheres typical of aerospace applications.
Automotive Applications
In automotive engineering, 310S powder is used in turbochargers and exhaust systems, where high heat is a constant factor. The alloy’s high oxidation resistance means it performs well in these high-temperature environments, ensuring long-lasting performance and durability.
Specifications, Sizes, and Standards
Before selecting 310S powder for your project, it’s important to understand the specifications, sizes, and standards that govern its use. These vary depending on the application and industry requirements.
Common Specifications, Sizes, and Standards
| Specification | Details |
|---|---|
| Particle Size | 15 to 150 microns, depending on the application. |
| Purity | Typically 99.8%+ for industrial-grade applications. |
| ISO Certification | Available with ISO 9001 and ISO 13485 for medical and industrial use. |
| ASTM Standards | ASTM A240, ASTM A167 for high-temperature stainless steel applications. |
| Form | Available as powder, rods, bars, and sheets. |
310S powder is available in a range of particle sizes, depending on the manufacturing technique. For additive manufacturing, finer powders are often preferred, while coarser powders are used in powder metallurgy. Purity is also a key consideration, especially for industrial and medical applications, where even small impurities can compromise performance.
Suppliers and Pricing
The price of 310S powder can vary depending on factors like purity, particle size, and supplier reputation. Below, we’ve compiled a table of reputable suppliers and their general price ranges for 310S powder.
Popular 310S Powder Suppliers and Pricing Details
| Supplier | Price Range (per kg) | Notes |
|---|---|---|
| Sandvik Materials Technology | $45 – $150 | Known for high-quality stainless steel powders for industrial use. |
| Carpenter Technology | $50 – $160 | Specializes in high-purity powders for additive manufacturing. |
| Höganäs AB | $40 – $130 | Offers a wide range of particle sizes for various applications. |
| LPW Technology | $55 – $170 | Recognized for high-performance powders in 3D printing. |
Factors Affecting Pricing
Several factors can influence the price of 310S powder, including:
- Purity: Higher-purity powders come at a premium, especially for industries like aerospace and medical devices.
- Particle Size: Finer particle sizes used in 3D printing or metal injection molding tend to be more expensive.
- Supplier Reputation: Reputable suppliers with strong quality control often charge higher prices, but offer greater reliability.
Advantages and Limitations
Like any material, 310S powder has its advantages and limitations. It’s essential to weigh these factors when deciding whether it’s the right choice for your specific application.
Advantages
| Advantage | Why It’s Important |
|---|---|
| High-Temperature Resistance | Handles temperatures up to 1150°C without losing strength or performance. |
| Oxidation Resistance | Performs well in oxidizing environments, extending the life of components. |
| Good Weldability | Can be welded without the risk of intergranular corrosion. |
| Corrosion Resistance | Resists corrosion in mildly corrosive and oxidizing environments. |
Limitations
| Limitation | Why It’s a Concern |
|---|---|
| Higher Cost | Generally more expensive than lower-grade stainless steels like 304L. |
| Lower Ductility | While ductile, it may not be as easily formed as other stainless steels. |
| Not Ideal for Chloride Environments | 316L offers better performance in chloride-rich environments. |
Comparing 310S Powder to Other Stainless Steels
How does 310S powder compare to other stainless steels like 316L or 304L? Below, we’ll explore the strengths and weaknesses of 310S powder compared to other commonly used stainless steel powders.
310S Powder Compared to Other Stainless Steel Alloys
| Alloy | Strengths | Weaknesses |
|---|---|---|
| 310S Powder | Superior heat resistance and oxidation resistance. | Higher cost and lower ductility than some other alloys. |
| 316L Powder | Better in chloride-rich environments and marine settings. | Not as heat-resistant as 310S. |
| 304L Powder | Cost-effective and highly weldable. | Lacks the heat resistance needed for extreme high-temperature applications. |
When to Choose 310S Over Other Alloys
- High-Temperature Environments: If your application involves extreme heat, 310S powder is the better choice over 304L or 316L.
- Oxidation Resistance: In environments where oxidation is a concern, 310S outperforms most other stainless steels.
- Cost Considerations: If cost is a major factor and extreme heat resistance isn’t required, 304L may be a more economical option.
Frequently Asked Questions (FAQs)
FAQ Section
| Question | Answer |
|---|---|
| What is 310S powder used for? | Commonly used in aerospace, chemical processing, and high-temperature applications. |
| How much does 310S powder cost? | Prices range from around $40 to $170 per kg, depending on purity and particle size. |
| Is 310S powder good for welding? | Yes, it can be easily welded without the risk of intergranular corrosion. |
| What’s the difference between 310 and 310S powder? | 310S has a lower carbon content, making it better for welding and reducing the risk of corrosion. |
| Can 310S powder be used in 3D printing? | Absolutely, it is often used in additive manufacturing for high-temperature parts. |
| Does 310S powder resist oxidation? | Yes, it has excellent oxidation resistance at temperatures up to 1150°C. |
| Is 310S powder more expensive than 304L or 316L? | Yes, 310S powder is generally more expensive due to its superior heat and oxidation resistance. |
| What industries use 310S powder the most? | Industries like aerospace, automotive, chemical processing, and energy frequently use 310S powder. |
Conclusion: Why 310S Powder is the Best Choice for High-Temperature Applications
In conclusion, 310S powder is a top-tier material for industries that require high-temperature resistance, oxidation resistance, and durability. Whether you’re working in the aerospace, automotive, or chemical processing sectors, this alloy offers the performance and reliability needed to handle some of the most extreme environments.
While it may be more expensive than lower-grade stainless steels like 304L or 316L, the superior heat resistance and oxidation resistance of 310S powder make it a worthwhile investment for applications where failure is not an option.
Get Latest Price
About Met3DP
Product Category
HOT SALE
CONTACT US
Any questions? Send us message now! We’ll serve your request with a whole team after receiving your message.
Metal Powders for 3D Printing and Additive Manufacturing
COMPANY
PRODUCT
cONTACT INFO
- Qingdao City, Shandong, China
- [email protected]
- [email protected]
- +86 19116340731