স্টেইনলেস স্টীল, অস্টেনাইটিক
S34700 (347) Stainless Steel Sheet
Columbium stabilizes this alloy making it immune to chromium carbide precipitation.
Alloy 347 is recommended for welded applications that can not tolerate a post anneal. The alloy can operate between 800-1600°F.
347 stainless steel is a high-performance austenitic stainless steel সহ niobium stabilization that ensures excellent corrosion resistance, mechanical strength, and high-temperature stability. এটি ব্যাপকভাবে ব্যবহৃত হয় chemical, industrial, aerospace, food processing, and high-temperature applications.
পিডিএফ ডাউনলোড করুন
অনুগ্রহ করে লক্ষ্য করুন
আপনি যদি যা খুঁজছেন তা না পান, অনুগ্রহ করে আপনার সাথে যোগাযোগ করুন। স্থানীয় সেবা কেন্দ্র আপনার নির্দিষ্ট চাহিদা অনুযায়ী.
347 Stainless Steel Related Specifications
| সিস্টেম / স্ট্যান্ডার্ড | দেশ / অঞ্চল | গ্রেড / পদবী |
| এআইএসআই | যুক্তরাষ্ট্র | 347 |
| ইউএনএস | আন্তর্জাতিক | S34700 |
| ই.এন. / ডব্লিউ.এন.আর. | ইউরোপ | 1.4550 |
| ইএন নাম | ইউরোপ | X6CrNiNb18-10 |
| ASTM A240 | যুক্তরাষ্ট্র | 347 (plate, sheet, strip) |
| ASTM A182 | যুক্তরাষ্ট্র | F347 (forgings, flanges, fittings) |
| ASTM A213 | যুক্তরাষ্ট্র | TP347 (boiler / HX tubes) |
| ASTM A312 | যুক্তরাষ্ট্র | TP347 (seamless pipe) |
| জিবি | চীন | 06Cr18Ni11Nb |
| জাপানিজ শিল্প মান | জাপান | SUS347 |
| বিএস | যুক্তরাজ্য | 347S31 |
| অ্যাফনর | ফ্রান্স | Z6CNb18-10 |
গুণাবলী
রাসায়নিক গঠন
S34700 Sheet
ASTM A240
| রাসায়নিক মৌল | % উপস্থাপন |
| কার্বন (C) | 0.00 - 0.08 |
| ক্রোমিয়াম (Cr) | 17.00 - 19.00 |
| নিকেল (নি) | 9.00 - 13.00 |
| ম্যাঙ্গানিজ (Mn) | 0.00 - 2.00 |
| ফসফরাস (পি) | 0.00 - 0.04 |
| গন্ধক (S) | 0.00 - 0.03 |
| সিলিকন (Si) | 0.00 - 0.75 |
| নিওবিয়াম (কলম্বিয়াম) (এনবি) | 0.00 - 1.00 |
| লৌহ (Fe) | সমতা |
যান্ত্রিক ধর্ম
শিট
ASTM A240
| যান্ত্রিক সম্পত্তি | মূল্য |
| প্রমাণ চাপ | ২০৫ মিনিট মেগাপাস্কাল |
| টানজনিত শক্তি | ৫১৫ মিনি MPa |
| প্রসার A50 মিমি | ৪০ মিনিট ১টিপি৩টি |
সাধারণ ভৌত বৈশিষ্ট্যসমূহ
| শারীরিক ধর্ম | মূল্য |
| ঘনত্ব | 7.96 g/cm³ |
Applications of 347 Stainless Steel
347 stainless steel is a stabilized austenitic stainless steel containing niobium (columbium), which improves resistance to আন্তঃকণিক ক্ষয় after exposure to high temperatures. Its excellent mechanical properties and corrosion resistance make it suitable for a wide range of high-temperature and industrial applications.
1. High-Temperature Applications
Furnace components and heat exchangers
Boiler parts, superheater and evaporator tubes
Exhaust stacks and high-temperature ducting
Industrial ovens and kilns
২. রাসায়নিক ও পেট্রোকেমিক্যাল শিল্প
Processing equipment and piping in moderately corrosive environments
Pressure vessels and tanks for chemical storage
Heat-resistant piping carrying steam or hot liquids
3. Food and Beverage Processing
Equipment exposed to elevated temperatures
Heat exchangers and evaporators
Components requiring good corrosion resistance and stability at high temperature
4. Aerospace and Automotive
Exhaust systems and turbochargers
High-temperature components in engines and power plants
5. Industrial Equipment
Springs, fasteners, and structural components for high-temperature service
Mechanical equipment exposed to heat and corrosion simultaneously
6. Architectural Applications
Structures and components exposed to outdoor weather and moderate corrosive conditions
Decorative elements requiring durability and stability at elevated temperatures
সারসংক্ষেপ
347 stainless steel is ideal for high-temperature and industrial applications, where intergranular corrosion resistance, mechanical strength, and stability at elevated temperatures are critical. Common industries include chemical processing, food and beverage, aerospace, automotive, and industrial equipment.
Characteristics of 347 Stainless Steel
347 stainless steel is a stabilized austenitic stainless steel containing niobium (columbium), which enhances resistance to আন্তঃকণিক ক্ষয় after exposure to high temperatures. It offers good mechanical properties, excellent corrosion resistance, and high-temperature stability, making it suitable for demanding applications.
1. High-Temperature Stability
এর বিরুদ্ধে চমৎকার প্রতিরোধ আন্তঃকণিক ক্ষয় after exposure to temperatures of 425–870°C (800–1600°F)
Niobium stabilization prevents ক্রোমিয়াম কার্বাইড অবক্ষরণ during welding and heat exposure
Suitable for furnace parts, heat exchangers, and boiler components
২. ক্ষয় প্রতিরোধ ক্ষমতা
এর বিরুদ্ধে ভাল প্রতিরোধ oxidation, atmospheric corrosion, and mild chemical attack
Performs better than 304 and similar to 321 in high-temperature corrosive environments
Low susceptibility to pitting and crevice corrosion in moderately aggressive media
৩. যান্ত্রিক ধর্ম
High strength and toughness, even at elevated temperatures
Can be cold-worked to improve strength
Excellent ductility for forming, bending, and shaping
4. Weldability
Easily welded using conventional methods: TIG, MIG, SMAW, or resistance welding
Niobium stabilization reduces risk of সংবেদনশীলকরণ in the heat-affected zone
Suitable for welded components in chemical, food, and high-temperature applications
5. Formability and Fabrication
Good cold and hot workability
Can be rolled, drawn, or pressed into complex shapes
Suitable for sheets, plates, tubes, and structural components
6. Heat Resistance
সহ্য করতে পারে continuous service up to 870°C (1600°F)
Resistant to scaling and oxidation in oxidizing atmospheres
সারসংক্ষেপ
347 stainless steel combines high-temperature stability, excellent corrosion resistance, and strong mechanical properties. এর niobium stabilization prevents intergranular corrosion, making it ideal for high-temperature industrial equipment, chemical processing, aerospace, and food processing applications.
অতিরিক্ত তথ্য
তৈরি/নির্মাণ
Fabrication of 347 Stainless Steel
347 stainless steel is a টাইটানিয়াম-স্থিতিশীল অস্টেনটিক স্টেইনলেস স্টীল designed to resist intergranular corrosion during welding and high-temperature service. It combines excellent corrosion resistance, good weldability, and mechanical strength, making it suitable for a wide range of fabrication processes in industrial and high-temperature applications.
১. গঠন
347 stainless steel has ভাল ঠান্ডা গঠনযোগ্যতা অ্যানিল করা অবস্থায়।.
Can be bent, deep-drawn, stamped, and roll-formed.
Because of work-hardening, মধ্যবর্তী এনিলিং may be required during extensive forming operations to restore ductility.
২. কাটা এবং ছেঁড়া
Can be cut with standard techniques such as shearing, sawing, and laser cutting.
Tools must be sharp to minimize work-hardening at the cut edges.
৩. মেশিনিং
347 is moderately difficult to machine due to austenitic toughness and work-hardening tendency.
ব্যবহার করুন কার্বাইড টুলিং for better performance, proper feed rates, and cooling lubricants to control heat and tool wear.
৪. ওয়েল্ডিং
Excellent weldability with conventional processes: TIG, MIG, SMAW.
টাইটেনিয়াম স্থিতিশীলতা প্রতিরোধ করে আন্তঃকণিক ক্ষয় near the weld.
Filler metals such as 347 or 308L সাধারণভাবে ব্যবহৃত হয়।.
Post-weld annealing is typically প্রয়োজন নেই for corrosion resistance, but stress relief may be applied in high-temperature applications.
৫. ঠান্ডা কাজের প্রক্রিয়া
Cold working increases strength significantly due to work-hardening.
Extensive cold work reduces ductility; অ্যানিলিং may be required to restore formability for further fabrication.
6. Hot Working
Hot working is typically performed between ১০১০–১১৭৫°C (১৮৫০–২১৫০°F).
Proper temperature control ensures uniform mechanical properties and prevents grain growth.
7. Surface Finishing
Can be supplied in a range of finishes (2B, BA, or polished).
Work-hardened areas may require additional finishing for aesthetics or corrosion resistance.
সারসংক্ষেপ
347 stainless steel is versatile and easily fabricated, offering excellent weldability, corrosion resistance, and strength. Its টাইটেনিয়াম স্থিতিশীলকরণ makes it particularly suitable for welding and high-temperature applications, while its workability allows for forming, machining, and finishing across a wide range of industrial uses.
ঢালাইযোগ্যতা
Weldability of 347 Stainless Steel
347 stainless steel is a টাইটানিয়াম-স্থিতিশীল অস্টেনটিক স্টেইনলেস স্টীল that offers উত্তম ওয়েল্ডযোগ্যতা. Its titanium content prevents the formation of chromium carbides during welding, reducing the risk of আন্তঃকণিক ক্ষয় in the heat-affected zone (HAZ). This makes 347 highly suitable for welded structures and components exposed to elevated temperatures.
1. Compatible Welding Processes
টিআইজি (জিটিএডব্লিউ) – Preferred for precision welding and thin sections.
এমআইজি (জিএমএডব্লিউ) – Common for thicker sections and high-productivity applications.
Shielded Metal Arc Welding (SMAW) – Suitable for field and maintenance welding.
প্রতিরোধক ওয়েল্ডিং – Spot and seam welding can be used effectively.
২. টাইটানিয়াম স্থিতিশীলতার সুবিধা
Titanium reacts with carbon to form stable titanium carbides.
Prevents ক্রোমিয়াম কার্বাইড অবক্ষরণ, avoiding sensitization in the HAZ.
Ensures corrosion resistance is maintained after welding, even without post-weld annealing.
3. Filler Material Selection
Filler metals matching 347 are commonly used for optimum corrosion resistance.
ER347 or 308L filler rods are suitable depending on base material thickness and application.
Low-carbon fillers reduce carbide precipitation risk in general austenitic stainless steel applications.
4. Heat Input and Distortion
347 has high thermal expansion, which can lead to distortion if not controlled.
ব্যবহার করুন low to moderate heat input to reduce warping and maintain dimensional stability.
Adequate fixturing and sequence planning help minimize residual stresses.
5. Post-Weld Treatment
Usually, post-weld annealing is প্রয়োজন নেই because titanium stabilization protects against intergranular corrosion.
Stress relief may be applied for high-temperature service or when dimensional stability is critical.
6. Applications Related to Weldability
High-temperature boilers and furnace components
Chemical and petrochemical processing equipment
Heat exchangers
Pressure vessels and piping systems requiring welded assemblies
সারসংক্ষেপ
347 stainless steel exhibits উত্তম ওয়েল্ডযোগ্যতা due to its titanium stabilization, allowing it to maintain corrosion resistance in welded areas without the need for extensive post-weld heat treatment. Proper filler selection, heat control, and welding technique ensure strong, durable, and corrosion-resistant welds suitable for high-temperature and industrial applications.
যন্ত্রযোগ্যতা
Machinability of 347 Stainless Steel
347 stainless steel, a টাইটানিয়াম-স্থিতিশীল অস্টেনটিক স্টেইনলেস স্টীল, has মধ্যম যন্ত্রচালনযোগ্যতা similar to other austenitic grades such as 304 and 321. While it is tougher and more work-hardening than carbon steels, careful tooling and machining practices allow for efficient processing and good surface finishes.
১. কর্ম-কঠোরতা আচরণ
347 stainless steel exhibits work-hardening during cutting, which increases tool wear if not properly managed.
Continuous, consistent cutting helps prevent excessive hardening on the surface.
২. টুলিং সুপারিশসমূহ
Carbide tooling is preferred for higher productivity and tool life.
উচ্চ-গতির ইস্পাত (এইচএসএস) tools can be used at slower cutting speeds with careful feed control.
Positive rake angles reduce cutting forces and heat generation.
৩. কাটার গতি এবং ফিড
Slower cutting speeds than those used for carbon steels are recommended.
ব্যবহার করুন moderate to heavy feeds to keep the tool engaged and minimize work-hardening.
৪. শীতলীকরণ ও স্নigdকরণ
Austenitic stainless steels have low thermal conductivity, so heat control is critical.
Flood coolant or high-performance cutting oils help reduce heat, improve surface finish, and extend tool life.
৫. চিপ গঠন
Chips are typically tough and stringy, making them difficult to evacuate.
Use chip breakers or insert geometries designed for stainless steel to manage chips effectively.
৬. পৃষ্ঠ সমাপ্তি
Good surface finishes can be achieved with proper tool geometry, cutting parameters, and cooling.
Avoid dwell or pauses on the workpiece, as these can create hardened spots and reduce finish quality.
সারসংক্ষেপ
347 stainless steel has মধ্যম যন্ত্রচালনযোগ্যতা compared with other austenitic grades. Success in machining relies on sharp tools, controlled cutting parameters, proper cooling, and feed rates to counteract work-hardening and achieve high-quality finished components.
ক্ষয় প্রতিরোধ
Corrosion Resistance of 347 Stainless Steel
347 stainless steel is a টাইটানিয়াম-স্থিতিশীল অস্টেনটিক স্টেইনলেস স্টীল with excellent corrosion resistance. The titanium stabilization prevents chromium carbide precipitation during welding, reducing the risk of আন্তঃকণিক ক্ষয়, particularly in the heat-affected zone (HAZ). This makes 347 ideal for welded assemblies and high-temperature applications.
১. সাধারণ ক্ষয় প্রতিরোধ
ভালভাবে সম্পাদন করে atmospheric, industrial, and mildly corrosive environments.
Resistant to oxidation at moderate elevated temperatures.
Suitable for general chemical, petrochemical, and process equipment.
2. Intergranular Corrosion Resistance
Titanium binds with carbon to form stable titanium carbides.
Prevents chromium depletion at grain boundaries, which avoids সংবেদনশীলকরণ.
Especially beneficial in welded areas where intergranular corrosion is a concern.
3. Resistance to Chlorides
Exhibits moderate resistance to chloride-induced গর্ত ও ফাটল ক্ষয়.
Not as resistant as Mo-bearing grades like 316, but better than carbon steels or unstabilized austenitic grades in welded components.
৪. উচ্চ-তাপমাত্রার ক্ষয়
Suitable for use in continuous service up to ~870°C (1600°F) in oxidizing atmospheres.
Titanium stabilization provides good resistance to কার্বাইড অবক্ষরণ and oxidation during high-temperature service.
5. Comparison to Other Austenitic Grades
Better corrosion resistance than 304 in welded conditions due to titanium stabilization.
Slightly less corrosion-resistant than 316 ক্লোরাইড-সমৃদ্ধ পরিবেশে।.
Superior intergranular corrosion resistance compared to unstabilized 321 or 304 stainless steels.
6. Applications Leveraging Corrosion Resistance
Heat exchangers and furnace components
রসায়নিক ও পেট্রোরসায়নিক যন্ত্রপাতি
Pressure vessels and piping systems
Components exposed to elevated temperatures or welding
সারসংক্ষেপ
347 stainless steel combines excellent general corrosion resistance with superior resistance to intergranular corrosion, making it highly suitable for welded and high-temperature applications. Titanium stabilization ensures reliable long-term performance, especially in industrial and chemical environments.
শীতল কাজের প্রক্রিয়া
Cold Working of 347 Stainless Steel
347 stainless steel is an austenitic, titanium-stabilized stainless steel with good cold-working properties. Cold working increases the material’s শক্তি এবং কঠোরতা while reducing ductility. The titanium stabilization helps maintain corrosion resistance, even in heavily worked conditions.
১. কর্ম-কঠোরতা আচরণ
347 stainless steel কাজে-কঠিন হয় during cold deformation, although slightly less aggressively than 301 or 304.
Strength increases significantly with deformation, but ductility decreases.
২. সাধারণ সর্দিজনিত কাজের প্রক্রিয়া
রোলিং: For sheets, strips, and plates.
আঁকা: For wires, tubes, and rods.
বক্রকরণ ও গঠন: For clips, springs, and structural components.
স্ট্যাম্পিং এবং গভীর ড্রয়িং: For complex parts.
3. Mechanical Properties Control
Cold working allows precise adjustment of টান শক্তি, উপাতন শক্তি, এবং কঠোরতা.
বিস্তৃত ঠান্ডা কাজের জন্য প্রয়োজন হতে পারে মধ্যবর্তী এনিলিং to restore ductility for further forming.
৪. ক্ষয় প্রতিরোধে প্রভাব
টাইটেনিয়াম স্থিতিশীলতা প্রতিরোধ করে ক্রোমিয়াম কার্বাইড অবক্ষরণ, maintaining corrosion resistance even after significant cold work.
Unlike unstabilized austenitic grades, 347 maintains resistance to intergranular corrosion in welded or heavily worked areas.
৫. গঠন-পরবর্তী বিবেচ্য বিষয়সমূহ
In highly cold-worked parts, সমাধান এনিলিং can be performed to relieve residual stresses and restore formability if required.
Cold working may also induce some magnetism due to martensitic transformation, though minimal in 347 compared to 301.
6. Applications Utilizing Cold Work
Springs and clips
Structural components requiring high strength
Industrial equipment requiring formability and corrosion resistance
Tubes, rods, and wire for chemical and high-temperature service
সারসংক্ষেপ
347 stainless steel exhibits ভাল ঠান্ডা-প্রক্রিয়াকরণ বৈশিষ্ট্য, allowing it to achieve higher strength through work hardening while maintaining corrosion resistance thanks to titanium stabilization. Proper management of deformation and occasional annealing enables high-performance components for industrial and high-temperature applications.
তাপ চিকিৎসা
Heat Treatment of 347 Stainless Steel
347 stainless steel is a টাইটানিয়াম-স্থিতিশীল অস্টেনটিক স্টেইনলেস স্টীল. Unlike martensitic or precipitation-hardening grades, it is not hardened by conventional heat treatment. Heat treatment is mainly used to restore ductility, relieve stresses, and maintain corrosion resistance, especially after cold working or welding.
1. Annealing / Solution Treatment
উদ্দেশ্য:
Relieve stresses from cold working or forming
Restore ductility
Dissolve any unwanted precipitates
Typical Temperature: ১০১০–১১২০°C (১৮৫০–২০৫০°F)
শীতলীকরণ: Rapid air or water quenching to preserve a fully austenitic structure
প্রভাব:
Returns mechanical properties to annealed condition
Maintains corrosion resistance due to titanium stabilization
২. মানসিক চাপ মুক্তি
উদ্দেশ্য: গঠন, বাঁকানো বা ওয়েল্ডিং থেকে অবশিষ্ট চাপ হ্রাস করুন
তাপমাত্রার পরিসর: ৪৫০–৬৫০°C (৮৪০–১২০০°F)
প্রভাব: Minimizes distortion and reduces the risk of stress corrosion cracking without significantly changing mechanical properties
3. Cold-Worked Condition Considerations
Cold working increases strength but reduces ductility.
মধ্যবর্তী অ্যানিলিং may be performed between forming operations to restore ductility and workability.
Repeated cold work and annealing allow precise control over strength and hardness.
4. Post-Weld Heat Treatment
Welding 347 stainless steel typically does ওয়েল্ডের পর অ্যানিলিং প্রয়োজন হয় না for corrosion resistance, thanks to titanium stabilization.
Stress relief annealing may be applied in high-temperature service or where dimensional stability is critical.
৫. সীমাবদ্ধতা
Heat treatment does not significantly increase hardness; 347 relies on cold working for strength enhancement.
Prolonged high-temperature exposure above ~500°C can reduce the effects of prior cold work.
সারসংক্ষেপ
Heat treatment of 347 stainless steel is focused on চাপ মুক্তি, নমনীয়তা পুনরুদ্ধার, এবং ক্ষয়-প্রতিরোধ ক্ষমতা বজায় রাখা, rather than hardening. Solution annealing and controlled stress relief help ensure optimal mechanical and chemical performance for welded, cold-worked, and high-temperature components.
তাপ প্রতিরোধ ক্ষমতা
Heat Resistance of 347 Stainless Steel
347 stainless steel is a টাইটানিয়াম-স্থিতিশীল অস্টেনটিক স্টেইনলেস স্টীল with good high-temperature properties. It is specifically designed for applications requiring resistance to carbide precipitation and oxidation উচ্চ তাপমাত্রায়।.
১. ধারাবাহিক সেবা তাপমাত্রা
Suitable for continuous service in oxidizing atmospheres up to ~870°C (1600°F).
টাইটেনিয়াম স্থিতিশীলতা প্রতিরোধ করে আন্তঃকণিক ক্ষয় and maintains strength during long-term exposure to elevated temperatures.
২. বিচ্ছিন্ন সংস্পর্শ
সহ্য করতে পারে intermittent exposure up to ~925°C (1700°F) without significant scaling or degradation.
Useful for components subject to occasional thermal cycling or transient heating.
৩. অক্সিডেশন প্রতিরোধ
গঠন করে রক্ষামূলক ক্রোমিয়াম অক্সাইড স্তর that resists scaling in oxidizing environments.
Not suitable for prolonged exposure to strongly oxidizing or sulfidizing atmospheres at extreme temperatures; for these, specialized high-temperature grades such as 310 are recommended.
4. Thermal Effects on Mechanical Properties
Retains good tensile strength and ductility at elevated temperatures.
High-temperature exposure does not significantly reduce corrosion resistance, due to titanium stabilization.
Prolonged exposure above 900°C can lead to grain growth, which may reduce toughness.
৫. তাপ প্রতিরোধ সংক্রান্ত প্রয়োগসমূহ
Boiler and furnace components
Heat exchangers
Chemical and petrochemical processing equipment
High-temperature piping and welded assemblies
6. Comparison to Other Austenitic Grades
Heat resistance is better than 304 in welded or high-temperature applications.
Slightly lower high-temperature strength than 310 but more corrosion-resistant than unstabilized 304 in the HAZ.
Titanium stabilization ensures reliability in long-term service at elevated temperatures.
সারসংক্ষেপ
347 stainless steel provides উচ্চ তাপমাত্রায় চমৎকার কর্মক্ষমতা up to ~870°C for continuous service. Its titanium stabilization prevents carbide precipitation, maintaining corrosion resistance and mechanical strength in welded and heat-exposed components, making it ideal for industrial and high-temperature applications.
গরম কাজ
Heat Resistance of 347 Stainless Steel
347 stainless steel is a টাইটানিয়াম-স্থিতিশীল অস্টেনটিক স্টেইনলেস স্টীল with good high-temperature properties. It is specifically designed for applications requiring resistance to carbide precipitation and oxidation উচ্চ তাপমাত্রায়।.
১. ধারাবাহিক সেবা তাপমাত্রা
Suitable for continuous service in oxidizing atmospheres up to ~870°C (1600°F).
টাইটেনিয়াম স্থিতিশীলতা প্রতিরোধ করে আন্তঃকণিক ক্ষয় and maintains strength during long-term exposure to elevated temperatures.
২. বিচ্ছিন্ন সংস্পর্শ
সহ্য করতে পারে intermittent exposure up to ~925°C (1700°F) without significant scaling or degradation.
Useful for components subject to occasional thermal cycling or transient heating.
৩. অক্সিডেশন প্রতিরোধ
গঠন করে রক্ষামূলক ক্রোমিয়াম অক্সাইড স্তর that resists scaling in oxidizing environments.
Not suitable for prolonged exposure to strongly oxidizing or sulfidizing atmospheres at extreme temperatures; for these, specialized high-temperature grades such as 310 are recommended.
4. Thermal Effects on Mechanical Properties
Retains good tensile strength and ductility at elevated temperatures.
High-temperature exposure does not significantly reduce corrosion resistance, due to titanium stabilization.
Prolonged exposure above 900°C can lead to grain growth, which may reduce toughness.
৫. তাপ প্রতিরোধ সংক্রান্ত প্রয়োগসমূহ
Boiler and furnace components
Heat exchangers
Chemical and petrochemical processing equipment
High-temperature piping and welded assemblies
6. Comparison to Other Austenitic Grades
Heat resistance is better than 304 in welded or high-temperature applications.
Slightly lower high-temperature strength than 310 but more corrosion-resistant than unstabilized 304 in the HAZ.
Titanium stabilization ensures reliability in long-term service at elevated temperatures.
সারসংক্ষেপ
347 stainless steel provides উচ্চ তাপমাত্রায় চমৎকার কর্মক্ষমতা up to ~870°C for continuous service. Its titanium stabilization prevents carbide precipitation, maintaining corrosion resistance and mechanical strength in welded and heat-exposed components, making it ideal for industrial and high-temperature applications.
