Stellit 31-pulver: Den ultimata lösningen för extrem hållbarhet
Låg MOQ
Tillhandahålla låg minsta orderkvantitet för att möta olika behov.
OEM & ODM
Tillhandahålla kundanpassade produkter och designtjänster för att tillgodose unika kundbehov.
Tillräckligt lager
Säkerställa snabb orderhantering och tillhandahålla tillförlitlig och effektiv service.
Kundtillfredsställelse
Tillhandahålla högkvalitativa produkter med kundnöjdhet i fokus.
dela denna artikel
Innehållsförteckning
For engineers, manufacturers, and innovators, the choice of materials can make or break a project. When it comes to high-performance alloys, Stellite 31 powder is a name that commands attention. Renowned for its slitstyrka, Korrosion motstånd, och stabilitet vid höga temperaturer, Stellite 31 is a cobalt-based alloy that offers unparalleled performance in some of the harshest environments known to industry.
Men vad är det egentligen som gör Stellite 31 powder so special? Why is it a go-to material for industries like aerospace, oil & gas, and power generation? In this comprehensive guide, we’ll dive deep into Stellite 31 powder—its composition, properties, applications, and much more—to help you understand why it could be the perfect material choice for your next project.
Overview: What is Stellite 31 Powder?
Stellite 31 powder is a premium-grade cobalt-chromium-molybdenum alloy known for its excellent motståndskraft mot slitage, Korrosion, och nötningäven vid förhöjda temperaturer. It’s part of the Stellite family of alloys, which are designed to retain their hardness and strength under extreme conditions. As industries continue to push the limits of what materials can withstand, Stellite 31 has proven to be a reliable solution for high-performance applications.
This alloy is widely used in industries such as olja & gas, marin, flyg- och rymdindustrin, kemisk bearbetning, och kraftproduktion. Whether you need a material that can endure Friktion, Frätande kemikalier, eller miljöer med hög värme, Stellite 31 powder delivers.
Composition and Properties of Stellite 31 Powder
The key to Stellite 31 powder’s performance lies in its kemisk sammansättning. Each element plays a specific role in enhancing the alloy’s styrka, korrosionsbeständighet, och termisk stabilitet.
Chemical Composition of Stellite 31 Powder
| Element | Procentuell andel (%) | Roll i legeringen |
|---|---|---|
| Kobolt (Co) | 50-60% | The base element, providing strength, temperature stability, and wear resistance. |
| Krom (Cr) | 27-31% | Improves corrosion and oxidation resistance, especially at high temperatures. |
| Molybden (Mo) | 5-7% | Enhances resistance to pitting and crevice corrosion in harsh environments. |
| Nickel (Ni) | 2-4% | Adds toughness and improves corrosion resistance, particularly in reducing environments. |
| Järn (Fe) | ≤ 3% | Contributes to the overall strength of the alloy. |
| Volfram (W) | ≤ 2% | Increases hardness and wear resistance, making the alloy more durable under abrasive conditions. |
| Kol (C) | ≤ 1.2% | Provides additional hardness and wear resistance, especially in high-stress applications. |
| Kisel (Si) | ≤ 1% | Improves oxidation resistance and helps in the manufacturing process. |
| Mangan (Mn) | ≤ 1% | Enhances toughness and wear resistance. |
Key Properties of Stellite 31 Powder
| Fastighet | Värde/Beskrivning |
|---|---|
| Täthet | 8,9 g/cm³ |
| Smältpunkt | 1,240°C – 1,310°C |
| Hårdhet | 40-50 HRC (Rockwell Hardness) |
| Slitstyrka | Extremely high, particularly in environments with significant friction or abrasion. |
| Motståndskraft mot korrosion | Excellent, especially in acidic, alkaline, and saline environments. |
| Termisk stabilitet | Maintains mechanical properties and wear resistance at temperatures up to 980°C. |
| Draghållfasthet | 850 MPa |
| Tålighet | Excellent toughness, capable of withstanding high-stress and impact conditions. |
| Oxideringsbeständighet | Exceptional, making it ideal for high-temperature applications where oxidation could be a concern. |
Why Choose Stellite 31 Powder? Key Characteristics
1. Superior Wear Resistance
En av de utmärkande egenskaperna hos Stellite 31 powder är dess slitstyrka. When subjected to abrasive surfaces or metal-on-metal contact, this alloy holds up better than many others. The presence of chromium and molybdenum ensures that Stellite 31 remains durable even when exposed to Friktion, nötning, och erosion.
2. Excellent Corrosion Resistance
In industries like olja & gas och marin, där exponering för saltvatten, syror, och alkalier is common, corrosion resistance is paramount. Stellite 31 powder erbjudanden exceptional resistance to corrosion, even in the most aggressiva miljöer. Whether it’s exposure to klorider in marine settings or syror in chemical processing, Stellite 31 stands strong.
3. High-Temperature Stability
Many materials lose their strength at high temperatures, but not Stellite 31 powder. The alloy maintains its Hårdhet och mekaniska egenskaper even at temperatures reaching 980°C. This makes it a perfect candidate for turbinblad, ventilkomponenter, and other parts exposed to extrem värme.
4. Toughness and Impact Resistance
Where some hard materials can become brittle under impact or stress, Stellite 31 powder strikes the perfect balance between Hårdhet och seghet. This means that it can withstand miljöer med hög belastning och impact forces without cracking or breaking—making it ideal for applications requiring both slitstyrka och impact tolerance.
Stellite 31 Powder Applications
Given its unique combination of slitstyrka, korrosionsbeständighet, och stabilitet vid höga temperaturer, Stellite 31 powder is used across a wide variety of industries. Below is a comprehensive list of its most common applications by sector.
Applications of Stellite 31 Powder by Industry
| Industri | Tillämpning |
|---|---|
| Flyg- och rymdindustrin | Turbine blades, engine components, and bearings that experience high temperatures and friction. |
| Olja & Gas | Drill bits, valve seats, and other components exposed to abrasive and corrosive environments. |
| Marin | Pump components, propeller shafts, and other parts exposed to saltwater environments. |
| Kraftgenerering | Steam turbine blades, heat exchangers, and other high-temperature components used in power plants. |
| Kemisk bearbetning | Pump impellers, valve seats, and other components exposed to harsh chemicals and high pressures. |
| Fordon | Valve seats, fuel injectors, and other engine components that experience high wear and heat. |
| Medicinsk | Surgical tools and orthopaedic implants where wear resistance and bio-compatibility are critical. |
| Allmän industri | Cutting tools, extrusion dies, and other wear-resistant tooling for manufacturing processes. |
Specifications, Sizes, Grades, and Standards for Stellite 31 Powder
När du väljer Stellite 31 powder for a specific application, it’s essential to understand the tillgängliga specifikationer, storlekar, och betyg. These variations can significantly impact the material’s performance depending on the industry and use case.
| Specifikation | Detaljer |
|---|---|
| Partikelstorlek | Typically available in sizes ranging from 15 to 53 microns, depending on the application (e.g., thermal spray, additive manufacturing). |
| ASTM-standarder | ASTM F1537 for surgical implants; ASTM B815 for aerospace and industrial applications. |
| ISO-standarder | ISO 5832-12 for cobalt-chromium-molybdenum alloys in medical applications. |
| UNS-nummer | UNS R30031 |
| Hårdhetsintervall | 40-50 HRC, depending on the heat treatment and intended application. |
| Morfologi för pulver | Predominantly spherical particles for optimal flowability in additive manufacturing and thermal spraying. |
Dessa specifikationer säkerställer att Stellite 31 powder meets the rigorous standards required for flyg- och rymdindustrin, Medicinsk, och industriella tillämpningar.
Suppliers and Pricing of Stellite 31 Powder
Like many high-performance materials, Stellite 31 powder is available from a variety of suppliers. Prices can fluctuate based on factors such as orderkvantitet, leverantörens placering, och specific formulations. Below is a list of some well-known suppliers and their typical pricing ranges.
Stellite 31 Powder Suppliers and Pricing
| Leverantör | Prisintervall (per kg) | Anteckningar |
|---|---|---|
| Kennametal | $300 – $400 | A leading supplier of wear-resistant materials, including Stellite alloys for various industries. |
| Oerlikon Metco | $320 – $420 | Specializes in advanced materials for thermal spraying and additive manufacturing. |
| Snickeriteknik | $310 – $410 | Known for high-performance alloys for aerospace, medical, and industrial applications. |
| Höganäs AB | $330 – $450 | Offers a wide range of metal powders, including Stellite 31 for powder metallurgy and 3D printing. |
| Powder Alloy Corporation | $320 – $430 | Supplies high-quality Stellite powders for demanding industries like aerospace and oil & gas. |
På grund av sin specialized properties, Stellite 31 powder tends to be on the more expensive side compared to more common alloys. However, its prestanda in extreme conditions often justifies the higher upfront cost.
Comparing the Pros and Cons of Stellite 31 Powder
Medan Stellite 31 powder offers a range of advantages, it’s important to also consider its limitations. Below, we compare the pros och cons to help you decide whether this material is the right choice for your application.
Advantages of Stellite 31 Powder
| Fördel | Varför det är viktigt |
|---|---|
| Överlägsen slitstyrka: Withstands abrasion, erosion, and metal-on-metal contact. | Ideal for high-wear applications like cutting tools, valve seats, and bearings. |
| Stabilitet vid höga temperaturer: Maintains strength and hardness at elevated temperatures. | Suitable for turbine blades, engine components, and other high-heat environments. |
| Utmärkt korrosionsbeständighet: Resists corrosion in both acidic and alkaline environments. | Perfect for chemical processing, marine, and oil & gas applications. |
| Toughness and Impact Resistance: Absorbs impact without cracking or breaking. | Reduces the risk of component failure in high-stress or high-impact environments. |
| Bio-Compatible: Safe for use in medical implants and surgical tools. | Ideal for orthopaedics and long-term medical usage. |
Limitations of Stellite 31 Powder
| Begränsning | Varför det är en utmaning |
|---|---|
| Hög kostnad: More expensive than other wear-resistant materials. | May not be cost-effective for lower-demand applications. |
| Svårt att bearbeta: The hardness of Stellite 31 can make it challenging to machine or process. | Requires specialized tools, leading to higher manufacturing costs. |
| Vikt: Heavier compared to lighter alloys like aluminum or titanium. | May not be suitable for applications where minimizing weight is essential, such as in aerospace. |
| Begränsad tillgänglighet: Not as widely available as more common materials. | May have longer lead times depending on the supplier and market conditions. |
FAQs About Stellite 31 Powder
Below, we answer some of the most frequently asked questions about Stellite 31 powder to help clear up any lingering doubts.
| Fråga | Svar |
|---|---|
| What is Stellite 31 powder used for? | It is used in industries like aerospace, oil & gas, marine, and medical for high-temperature, wear-resistant components. |
| How much does Stellite 31 powder cost? | Pricing typically ranges from $300 to $450 per kilogram, depending on the supplier and order size. |
| Is Stellite 31 powder biocompatible? | Yes, it is biocompatible, making it suitable for medical implants and surgical tools. |
| What makes Stellite 31 powder resistant to wear? | The combination of chromium, molybdenum, and cobalt provides exceptional hardness and wear resistance, even under extreme conditions. |
| Can Stellite 31 powder be used in 3D printing? | Yes, it can be used in additive manufacturing processes, such as powder-bed fusion, for creating high-performance parts. |
| What industries use Stellite 31 powder? | Industries such as aerospace, oil & gas, marine, and medical use it for various high-performance applications. |
| How does Stellite 31 powder compare to other alloys? | Compared to other cobalt alloys, Stellite 31 offers superior high-temperature strength and wear resistance but may be more challenging to machine. |
| Is Stellite 31 powder magnetic? | No, it is generally non-magnetic, making it suitable for applications requiring non-magnetic properties. |
Conclusion: Is Stellite 31 Powder Right for Your Next Project?
It is truly a powerhouse material, combining slitstyrka, stabilitet vid höga temperaturer, och korrosionsbeständighet like few other alloys can. Whether you’re in the flyg- och rymdindustrin, working in olja & gas, or looking for a material that can withstand the harsh conditions of kemisk bearbetning, this alloy delivers exceptional results.
Yes, it comes with a higher price tag and can be a challenge to machine—but for many applications, these drawbacks are worth the trade-off. With Stellite 31 powder, you’re investing in lång livslängd, Hållbarhet, och prestanda in the most demanding environments.
Så, är Stellite 31 powder the right choice for your next project? If you need a material that thrives under pressure—whether that’s slitage, Korrosion, eller höga temperaturer—then Stellite 31 powder kan vara den perfekta passformen.
Få det senaste priset
Om Met3DP
Produktkategori
HOT SALE
KONTAKTA OSS
Har du några frågor? Skicka oss meddelande nu! Vi kommer att betjäna din begäran med ett helt team efter att ha fått ditt meddelande.
Metallpulver för 3D-printing och additiv tillverkning
FÖRETAG
PRODUKT
cONTACT INFO
- Qingdao City, Shandong, Kina
- [email protected]
- [email protected]
- +86 19116340731