1. Introduction to 1.4835 Austenitic Stainless Steel
স্টেইনলেস স্টিল is an alloy known for its excellent corrosion resistance, which makes it indispensable in various industries.
Among the different grades of stainless steel, austenitic types are particularly valued due to their strength, দৃ ness ়তা, এবং গঠনযোগ্যতা.
One such grade is 1.4835 (X9CrNiSiNCe21-11-2), a specialized austenitic stainless steel that stands out for its superior heat resistance.
The importance 1.4835 lies in its ability to withstand extreme temperatures while maintaining high levels of mechanical properties and corrosion resistance.
This material is specified for applications where traditional stainless steel might not perform adequately under harsh conditions.
The European standard EN 10088 classifies 1.4835 as a chromium-nickel-silicon nitrogen-strengthened austenitic stainless steel,
often compared with AISI type 309 বা 310 but offering distinct advantages in certain environments.
Material Specifications for 1.4835
- EN Material Number: 1.4835
The European standard (মধ্যে) designation for this high-temperature resistant steel. - EN Short Name: X9CrNiSiNCe21-11-2
This is the short name under EN standards, which gives a quick reference to the material’s composition and properties. - EN Standard: মধ্যে 10095
This standard specifies the material properties and testing methods for heat-resistant steels, সহ 1.4835. - Microstructural Category: Heat-resistant steel
1.4835 is classified as heat-resistant steel, meaning it is designed for use in environments with elevated temperatures and oxidative conditions.
Comparable Standards and Designations
| স্ট্যান্ডার্ড | Designation | দেশ |
|---|---|---|
| আইসি | 253MA | মার্কিন যুক্তরাষ্ট্র |
| আমাদের | S30815 | মার্কিন যুক্তরাষ্ট্র |
| SAE | 253MA | মার্কিন যুক্তরাষ্ট্র |
| এসএস | 2368 | Sweden |
| RVS | 253MA | জার্মানি |
2. এর রাসায়নিক রচনা 1.4835
Understanding the chemical composition of 1.4835 helps explain its exceptional properties.
The material contains several key elements that enhance its heat resistance, জারণ প্রতিরোধের, and overall mechanical strength.
Chemical Breakdown:
| উপাদান | বিষয়বস্তু (%) |
|---|---|
| নিকেল (মধ্যে) | 20.00 - 22.00 |
| ক্রোমিয়াম (সিআর) | 21.00 - 23.00 |
| সিলিকন (এবং) | 1.50 - 2.00 |
| ম্যাঙ্গানিজ (এমএন) | 1.00 - 1.50 |
| Cerium (Ce) | 0.03 - 0.05 |
| আয়রন (ফে) | ভারসাম্য |
- নিকেল (মধ্যে) contributes significantly to corrosion resistance, particularly at high temperatures, and helps stabilize the austenitic structure.
- ক্রোমিয়াম (সিআর) improves the steel’s ability to resist oxidation and enhances strength at elevated temperatures.
- সিলিকন (এবং) adds resistance to oxidation and strengthens the material under high-temperature conditions.
- Cerium (Ce), a rare earth element, further increases high-temperature stability and oxidation resistance.
3. Key Properties of 1.4835 স্টেইনলেস স্টিল
শারীরিক বৈশিষ্ট্য
- ঘনত্ব: প্রায় 7.9 জি/সেমি³, which is typical for stainless steels.
- গলনাঙ্ক: Around 1400°C (2552° F), indicating its suitability for high-temperature operations.
- তাপ পরিবাহিতা: Lower than carbon steels but higher than other austenitic grades, aiding in heat dissipation.
- বৈদ্যুতিক প্রতিরোধ ক্ষমতা: Higher electrical resistivity compared to carbon steels, making it less conductive and more resistant to electrical currents.
যান্ত্রিক বৈশিষ্ট্য
- টেনসিল শক্তি: High tensile strength ensures that the material can withstand significant stress without breaking.
- ফলন শক্তি: Offers excellent yield strength, which is crucial for maintaining shape under load.
- দীর্ঘকরণ: Good elongation means it can be stretched or deformed significantly before failure, contributing to its toughness.
- কঠোরতা: The hardness of 1.4835 is moderate, providing a balance between wear resistance and machinability.
ওয়েলডিবিলিটি
- Welding Characteristics: 1.4835 can be readily welded using most conventional techniques, including TIG (Tungsten Inert Gas) ওয়েল্ডিং, ME (Metal Inert Gas) ওয়েল্ডিং, and stick welding.
তবে, due to its high alloy content, preheating and post-weld heat treatment may be necessary to avoid cracking and ensure optimal mechanical properties in the weld zone.
তাপ প্রতিরোধের
- উচ্চ-তাপমাত্রা শক্তি: One of the standout features of 1.4835 is its ability to maintain high tensile and yield strengths at elevated temperatures.
It can operate continuously up to around 1150°C (2100° F) with minimal degradation of its mechanical properties. - জারণ প্রতিরোধের: Excellent resistance to oxidation, scaling, and embrittlement even at very high temperatures,
which extends the service life of components exposed to such conditions.
জারা প্রতিরোধের
- General Corrosion Resistance: Superior resistance to various corrosive media, including sulfuric acid, নাইট্রিক অ্যাসিড, and chloride-containing environments.
This property makes it suitable for use in chemical processing plants and marine environments. - পিটিং এবং ক্রাভাইস জারা প্রতিরোধের: Enhanced by its chromium, সিলিকন, and nitrogen content, which helps prevent localized corrosion forms like pitting and crevice corrosion.
Heat Treatment and Hot Forming
- অ্যানিলিং: Can be annealed at temperatures between 1010°C and 1120°C (1850°F to 2048°F) followed by rapid cooling to restore full ductility and minimize residual stresses.
- গরম কাজ: Suitable for hot working within a temperature range of 1000°C to 1200°C (1832°F to 2192°F).
Hot forming can be used to produce complex shapes while maintaining the material’s mechanical properties.
4. Benefits of Using 1.4835 স্টেইনলেস স্টিল
- High Durability: 1.4835 exhibits excellent performance even in extreme heat, which means longer service life in industrial settings.
- কম রক্ষণাবেক্ষণ: Its resistance to high temperatures and oxidation reduces the need for frequent maintenance, translating into lower operational costs.
- তাপ সম্প্রসারণ: The material’s ability to withstand thermal expansion makes it ideal for use in environments subject to thermal cycling.
- ফ্যাব্রিকেশনে বহুমুখিতা: It can be processed using common fabrication methods, including welding and machining, making it versatile in various applications.
5. এর অ্যাপ্লিকেশন 1.4835 Austenitic Stainless Steel
- মহাকাশ: Components like turbine blades and exhaust systems that need to withstand extreme temperatures.
- স্বয়ংচালিত: Used in exhaust systems, catalytic converters, and turbochargers.
- রাসায়নিক প্রক্রিয়াজাতকরণ: Equipment exposed to high heat, such as reactors and heat exchangers.
- বিদ্যুৎ উত্পাদন: টারবাইনস, বয়লার, এবং তাপ এক্সচেঞ্জার.
- পেট্রোকেমিক্যাল: Components in refineries and heat treatment systems.
Specific Components
- তাপ এক্সচেঞ্জার for cooling and heat transfer in industrial settings.
- Turbine parts that require thermal resistance.
- Furnace components such as burner tips, kiln linings, and thermal insulation parts.
6. Comparing 1.4835 with Other Stainless Steel Grades
1.4835 বনাম. 304 স্টেইনলেস স্টিল
| সম্পত্তি | 1.4835 | 304 |
|---|---|---|
| তাপ প্রতিরোধের | Up to 1100°C | Up to 870°C |
| জারা প্রতিরোধের | মাঝারি (not ideal for water) | দুর্দান্ত (better for wet environments) |
| অ্যাপ্লিকেশন | High-temp environments | General-purpose applications |
1.4835 বনাম. 316 স্টেইনলেস স্টিল
| সম্পত্তি | 1.4835 | 316 |
|---|---|---|
| তাপ প্রতিরোধের | Up to 1100°C | Up to 870°C |
| জারা প্রতিরোধের | ভাল (except with water) | দুর্দান্ত (especially against chlorides) |
| অ্যাপ্লিকেশন | High-temperature applications | Marine and chemical processing |
7. Challenges of Working with 1.4835
- ব্যয়: The alloying elements, including rare earth materials like cerium, make 1.4835 more expensive than other stainless steels.
- Welding Difficulties: While it can be welded, achieving the desired mechanical properties in welded joints can be difficult, especially at high temperatures.
- Sourcing: Availability may vary by region, হিসাবে 1.4835 is not as widely produced as more common grades like 304 বা 316.
8. উপসংহার
উপসংহারে, 1.4835 স্টেইনলেস স্টিল is an ideal choice for industries requiring superior heat resistance এবং জারা প্রতিরোধের in high-temperature environments.
Whether in the মহাকাশ, স্বয়ংচালিত, রাসায়নিক প্রক্রিয়াজাতকরণ, বা বিদ্যুৎ উত্পাদন industries, this material ensures reliable performance in the toughest conditions.
Its combination of high strength, excellent weldability, and heat tolerance makes it a go-to option for critical components in high-temperature and corrosive environments.
As industries continue to evolve, 1.4835 will undoubtedly remain a key material in the development of more advanced, high-performance systems.
9. FAQs about 1.4835 (X9CrNiSiNCe21-11-2)
প্রশ্ন: পারে 1.4835 be used in marine applications?
- না, 1.4835 is not recommended for marine applications due to its limited corrosion resistance, particularly in chloride-rich environments.
প্রশ্ন: কিভাবে করে 1.4835 compare to AISI 253MA?
- 1.4835 is essentially equivalent to AISI 253MA in terms of composition and performance, particularly in high-temperature environments.
10. How DEZE Can Support Your Needs for 1.4835 স্টেইনলেস স্টিল
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Our team ensures that every part meets your exact specifications, providing reliable and cost-effective solutions for your industrial needs.
Whether you need custom parts, দ্রুত প্রোটোটাইপিং, বা large-scale production, এই is your trusted partner for 1.4835 স্টেইনলেস স্টিল solutions.
