ASME SA240 Gr 409 (S40900) Stainless Steel Sheet

SA240 Gr 409 (S40900) Stainless Steel Plate Supplier | ASME SA240 Specifications, Equivalent Materials, and Price

When your project demands a cost-effective material with moderate corrosion resistance and good heat resistance for automotive and industrial applications, ASME SA240 Gr 409 (S40900) stainless steel plate is an excellent choice. Supplied by Gangsteel, a leading ASME SA240 stainless steel supplier in China, this ferritic stainless steel is renowned for its affordability, ASME SA240 Gr 409 corrosion resistance, and suitability for high-temperature environments up to 675°C (1250°F), making it ideal for automotive exhaust systems, catalytic converters, and industrial components.

Gangsteel offers ASME SA240 Gr 409 stainless steel plate, sheet, bar, and custom components, fully compliant with ASME SA240 and ASTM A240 standards.

This page provides detailed insights into the ASME SA240 Gr 409 chemical composition, mechanical properties, equivalent materials, specifications, applications, and competitive ASME SA240 Gr 409 price per kg. Explore our ASME SA240 stainless sheet portfolio for related grades like ASME SA240 Gr 405, ASME SA240 Gr 430, and ASME SA240 Gr 410.

1. What is ASME SA240 Gr 409 (S40900)?

ASME SA240 Gr 409, also known as UNS S40900, is a ferritic stainless steel alloy with 10.5-11.75% chromium and titanium stabilization (6xC-0.75%) to enhance weldability and prevent sensitization. It is designed for moderate corrosion resistance and good heat resistance, making ASME SA240 Gr 409 material ideal for applications where cost-effectiveness and performance in mild corrosive and high-temperature environments are critical, such as automotive exhaust systems and industrial equipment.

Compared to ASME SA240 Gr 405, ASME SA240 Gr 409 offers lower cost and titanium stabilization for improved weldability, though it has slightly lower oxidation resistance at higher temperatures.

Gangsteel’s ASME SA240 Gr 409 stainless steel plate is engineered for industries seeking affordable, reliable solutions, providing a cost-effective alternative to grades like ASME SA240 Gr 430 or ASME SA240 Gr 439.

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2. ASME SA240 Gr 409 Chemical Composition

The ASME SA240 Gr 409 chemical composition, compliant with ASME SA240 standards, is optimized for cost-effective corrosion resistance, heat resistance, and weldability.

Note: The titanium stabilization and low chromium content make ASME SA240 Gr 409 cost-effective with good weldability, offering moderate corrosion resistance compared to ASME SA240 Gr 430 in less aggressive environments.

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3. ASME SA240 Gr 409 Mechanical Properties

The ASME SA240 Gr 409 mechanical properties, tested per ASME SA240, provide moderate strength and good formability, making ASME SA240 Gr 409 stainless steel plate suitable for automotive and industrial applications.

Note: Annealing at 760-815°C (1400-1500°F) optimizes UNS S40900 mechanical properties for formability and heat resistance. Contact Gangsteel for a detailed ASME SA240 Gr 409 technical data sheet.

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4. ASME SA240 Gr 409 Allowable Stress

The allowable stress values for ASME SA240 Gr 409, per ASME BPVC Section II, Part D, ensure reliable performance in high-temperature applications.

Note: These values ensure ASME SA240 Gr 409 material performs reliably in automotive exhaust systems and industrial components under moderate temperatures.

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5. ASME SA240 Gr 409 Equivalent Materials

ASME SA240 Gr 409aligns with international standards for global compatibility.

Note: ASME SA240 Gr 409 equivalent grades comply with ASME SA240, JIS, and GB standards, offering interchangeability with ASME SA240 Gr 405 for applications requiring slightly higher oxidation resistance.

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6. ASME SA240 Gr 409 vs ASME SA240 Gr 405, ASME SA240 Gr 430, and ASME SA240 Gr 201LN

Choosing the right material is critical to your project’s success. Here’s how ASME SA240 Gr 409 compares to ASME SA240 Gr 405, ASME SA240 Gr 430, and ASME SA240 Gr 201LN:

• ASME SA240 Gr 409 vs ASME SA240 Gr 405: ASME SA240 Gr 409 is more cost-effective and titanium-stabilized for weldability, while ASME SA240 Gr 405 offers better oxidation resistance due to aluminum content.
• ASME SA240 Gr 409 vs ASME SA240 Gr 430: ASME SA240 Gr 409 is optimized for automotive exhaust systems with lower cost, while ASME SA240 Gr 430 provides better corrosion resistance for decorative applications.
• ASME SA240 Gr 409 vs ASME SA240 Gr 201LN: ASME SA240 Gr 409 is suited for high-temperature environments, while ASME SA240 Gr 201LN offers higher strength for structural and cryogenic applications.

Conclusion: Choose ASME SA240 Gr 409 for cost-effective automotive exhaust systems, ASME SA240 Gr 405 for heat-resistant applications, ASME SA240 Gr 430 for decorative uses, or ASME SA240 Gr 201LN for high-strength structural needs.

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7. ASME SA240 Gr 409 Specifications

Gangsteel provides ASME SA240 Gr 409 stainless steel plate, sheet, bar, and custom components to meet your project’s needs, compliant with ASME SA240 standards:

7.1 Plate and Sheet

• Thickness: 0.5 mm to 100 mm (plate), 0.1 mm to 6 mm (sheet)
• Width: Up to 4200 mm
• Length: 2000 mm to 12000 mm (or coiled for sheet)
• Surface Finish: Hot-rolled, cold-rolled, annealed, pickled, 2B, No.1, or customized
• Standards: ASME SA240, ASTM A240
• Applications: ASME SA240 Gr 409 plate for automotive exhaust systems, UNS S40900 sheet for catalytic converters

7.2 Bar

• Diameter: 6 mm to 500 mm
• Length: Up to 12000 mm
• Finish: Hot-rolled, cold-drawn, centerless ground
• Standards: ASTM A479, ASME SA-479
• Applications: ASME SA240 Gr 409 bar for industrial fittings

7.3 Custom Components

• Types: Flanges (ASME B16.5), fittings, CNC-machined parts
• Tolerances: ±0.05 mm for precision components
• Applications: Tailored solutions for automotive and industrial applications

Note: Need a specific size or finish? Gangsteel offers custom solutions, including annealing at 760-815°C, to meet ASME SA240 requirements. Contact us for bespoke ASME SA240 Gr 409 material specifications.

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8. Applications of ASME SA240 Gr 409

ASME SA240 Gr 409is designed for industries requiring cost-effective corrosion and heat resistance. Key ASME SA240 Gr 409 applications include:

• Automotive: ASME SA240 Gr 409 stainless steel plate for exhaust systems and catalytic converters.
• Industrial: UNS S40900 plate for heat shields and industrial components.
• Agriculture: ASME SA240 Gr 409 sheet for farm equipment exposed to mild corrosion.
• Construction: Structural components in non-aggressive environments.
• Energy: Components for low-temperature boiler systems.

Note: Compared to ASME SA240 Gr 410, ASME SA240 Gr 409 offers better weldability and cost-effectiveness for automotive applications.

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9. Price of ASME SA240 Gr 409

The ASME SA240 Gr 409 price per kg ranges from USD 3-6 per kg (FOB), influenced by:

• Alloy Content: Low chromium (10.5-11.75%) and titanium stabilization keep costs lower than ASME SA240 Gr 405.
• Market Demand: High demand in automotive and industrial sectors drives UNS S40900 price.
• Product Form: ASME SA240 Gr 409 stainless steel plate may cost more than sheet due to processing complexity.
• Global Supply Chain: Freight and availability impact ASME SA240 Gr 409 cost.

For a precise ASME SA240 Gr 409 price per kg or bulk discounts, contact Gangsteel.

We’ll ensure you get the best value for your project.

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10. Related Stainless Steel Grades

Gangsteel offers a wide range of ASME SA240 stainless sheet grades to complement ASME SA240 Gr 409 for various applications:

• ASME SA240 Gr 405: Ferritic for heat-resistant applications.
• ASME SA240 Gr 410: Martensitic for high-strength applications.
• ASME SA240 Gr 410S: Low-carbon martensitic for improved weldability.
• ASME SA240 Gr 429: Ferritic for corrosion and heat resistance.
• ASME SA240 Gr 430: Ferritic for decorative and appliance applications.
• ASME SA240 Gr 434: Ferritic with molybdenum for enhanced corrosion resistance.
• ASME SA240 Gr 436: Ferritic for automotive and corrosion-resistant applications.
• ASME SA240 Gr 439: Ferritic for exhaust systems and appliances.
• ASME SA240 Gr 444: Ferritic with high corrosion resistance for water tanks.
• ASME SA240 Gr 201L: Cost-effective for decorative and structural applications.
• ASME SA240 Gr 201LN: Nitrogen-enhanced for structural and cryogenic applications.
• ASME SA240 Gr 304: Versatile for food and general industries.
• ASME SA240 Gr 316: Excellent corrosion resistance for marine applications.
• ASME SA240 Gr 317LM: Cost-effective corrosion resistance for acidic environments.
• ASME SA240 Gr 317LMN: Nitrogen-enhanced for improved strength and corrosion resistance.
• ASME SA240 Gr 904L: Superior sulfuric acid resistance for chemical applications.
• ASME SA240 Type 2205: Balanced corrosion resistance for marine applications.
• ASME SA240 Type 2304: Cost-effective for milder corrosive environments.
• ASME SA240 Type 2507: Superior corrosion resistance for aggressive chloride environments.
• ASME SA240 Type 255: Enhanced sulfuric acid resistance for chemical applications.
• ASME SA240 Type 329: Duplex stainless steel for chemical and marine applications.
• ASME SA240 Gr 334: High-temperature resistance for heating elements.
• ASME SA240 Gr 347: Stabilized for high-temperature corrosion resistance.
• ASME SA240 Gr 347H: Enhanced creep resistance for high-temperature applications.
• ASME SA240 Gr 348: Low-cobalt for nuclear applications.
• ASME SA240 Gr 348H: High-carbon for enhanced high-temperature strength.
• ASME SA240 Gr 202: General corrosion resistance for decorative uses.
• ASME SA240 Gr 301: High strength for springs and fasteners.
• ASME SA240 Gr 301L: Low-carbon for improved weldability.
• ASME SA240 Gr 301LN: Nitrogen-enhanced for strength and weldability.
• ASME SA240 Gr 302: General-purpose austenitic stainless steel.
• ASME SA240 Gr 304H: High-temperature strength for heat exchangers.
• ASME SA240 Gr 304L: Low-carbon for weldability in corrosive environments.
• ASME SA240 Gr 304LN: Nitrogen-enhanced for strength.
• ASME SA240 Gr 304N: High strength for structural applications.
• ASME SA240 Gr 305: High nickel for deep drawing applications.
• ASME SA240 Gr 309CB: High-temperature corrosion resistance.
• ASME SA240 Gr 309H: High-temperature strength for furnaces.
• ASME SA240 Gr 309HCB: Enhanced high-temperature performance.
• ASME SA240 Gr 309S: Corrosion resistance for high-temperature applications.
• ASME SA240 Gr 310CB: High-temperature strength with columbium.
• ASME SA240 Gr 310H: High-temperature resistance for furnaces.
• ASME SA240 Gr 310HCB: Enhanced high-temperature performance.
• ASME SA240 Gr 310MOLN: Nitrogen-enhanced for urea production.
• ASME SA240 Gr 310S: High-temperature corrosion resistance.
• ASME SA240 Gr 316CB: Columbium-stabilized for weldability.
• ASME SA240 Gr 316H: High-temperature strength for chemical processing.
• ASME SA240 Gr 316L: Low-carbon for enhanced weldability.
• ASME SA240 Gr 316LN: Nitrogen-enhanced for strength and corrosion resistance.
• ASME SA240 Gr 316N: High strength for structural applications.
• ASME SA240 Gr 316Ti: Titanium-stabilized for high-temperature weldability.
• ASME SA240 Gr 317: High corrosion resistance for chemical processing.
• ASME SA240 Gr 317L: Low-carbon for acidic environments.
• ASME SA240 Gr 415: High strength for oilfield and turbine applications.

Note: These grades complement ASME SA240 Gr 409 in automotive, industrial, and corrosion-resistant applications. Contact Gangsteel for a full catalog to find the perfect material for your project.

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11. Why Choose Gangsteel?

At Gangsteel, we prioritize quality and reliability to ensure your project succeeds.

Our ASME SA240 Gr 409 stainless steel plate is crafted to meet the stringent requirements of ASME SA240 standards, delivering exceptional performance in automotive and industrial environments.

With a commitment to customer satisfaction, we offer:

• Quality Assurance: Every ASME SA240 Gr 409 stainless steel plate complies with ASME SA240 and ASTM A240 standards, backed by EN 10204 3.1/3.2 certificates for complete confidence.
• Fast Delivery: Standard orders ship in 7-15 days, with expedited options to keep your project on schedule.
• Customization: Need a specific size or shape? We provide precision cutting (CNC, laser, waterjet), welding, and tailored heat treatments to meet your exact requirements, including widths up to 4200 mm.
• Global Supply: Serving clients in Saudi Arabia, UAE, India, Europe, and beyond, we ensure reliable delivery no matter where you are.
• Extensive Inventory: Explore our wide range of ASME SA240 stainless sheet grades, including ASME SA240 Gr 405 and ASME SA240 Gr 430.

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12. Conclusion

For projects requiring cost-effective corrosion and heat resistance in automotive and industrial applications, ASME SA240 Gr 409 stainless steel plate from Gangsteel is your ideal solution.

Known as UNS S40900, its titanium-stabilized ferritic structure delivers excellent performance for automotive exhaust systems, catalytic converters, and industrial components, offering better weldability and cost-effectiveness compared to ASME SA240 Gr 405.

Available in versatile specifications (0.5-100 mm thickness, up to 4200 mm width) and equivalent grades (W.Nr. 1.4512, EN X2CrTi12, JIS SUS 409, GB 0Cr11Ti), Gangsteel provides quality at a competitive ASME SA240 Gr 409 price per kg (USD 3-6/kg).

Contact Gangsteeltoday for a quick quote on ASME SA240 Gr 409 price per kg or to request a detailed UNS S40900 technical data sheet.

Browse our ASME SA240 stainless sheet portfolio to find the perfect solution for your cost-effective and corrosion-resistant needs!