ASME SA 240 Gr 304L Stainless Steel Sheets

 

ASME SA 240 Gr 304L Stainless Steel Sheets For sales

 

When selecting a material that offers excellent corrosion resistance, superior weldability, and cost-effectiveness for a wide range of applications, ASME SA 240 Gr 304L stainless steel sheets are a top choice.

As a leading exporter of stainless steel products from China, Gangsteel supplies premium ASME SA 240 Gr 304L sheets, plates, coils, bars, and custom components, all compliant with ASME SA240 Stainless sheet and ASTM A240 standards. With an inventory exceeding 600 tons and advanced processing capabilities, we ensure rapid delivery and tailored solutions for clients worldwide.

Gangsteel explores the ASME SA 240 Gr 304L chemical composition, mechanical properties, equivalent materials, specifications, applications, and competitive ASME SA 240 Gr 304L price per kg. Whether you're an engineer designing welded structures or a procurement specialist sourcing for food processing equipment, this article will clarify why 304L stainless steel is a trusted and versatile option. Discover our ASME SA240 Stainless sheet portfolio for related grades like sa 240 gr 304, sa 240 gr 316L, and sa 240 gr 321.

 

Why Choose ASME SA 240 Gr 304L Stainless Steel Sheets?

 

ASME SA 240 Gr 304L, also known as UNS S30403, is a low-carbon variant of the widely used 304 stainless steel, featuring 18.0-20.0% chromium and 8.0-12.0% nickel. The "L" in 304L stands for low carbon, which enhances weldability by minimizing carbide precipitation, making it ideal for applications requiring heavy welding without post-weld annealing. Known as the "18-8" stainless steel, it offers excellent corrosion resistance in mild environments, making it a go-to choice for food processing, chemical, and architectural applications.

Key benefits of ASME SA 240 Gr 304L stainless steel sheets include:

• Enhanced Weldability: Low carbon content (≤ 0.03%) reduces the risk of intergranular corrosion during welding, outperforming sa 240 gr 304 in welded structures.
• Excellent Corrosion Resistance: Resists corrosion in mild environments, ideal for food processing and general industrial uses compared to sa 240 gr 201.
• Cost-Effective: Offers a balance of performance and affordability compared to molybdenum-alloyed grades like sa 240 gr 316L.
• Aesthetic Appeal: Polished finishes make it suitable for decorative applications, such as architectural cladding and kitchen appliances.

Case Study: A dairy processing plant in India adopted ASME SA 240 Gr 304L stainless steel sheets for welded storage tanks, reducing corrosion-related maintenance by 25% compared to sa 240 gr 202 due to its superior weldability and hygiene.

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ASME SA 240 Gr 304L Chemical Composition

 

The ASME SA 240 Gr 304L chemical composition is optimized for corrosion resistance, weldability, and formability, compliant with ASME SA240 Stainless sheet standards.

Element	Percentage (%)
Chromium (Cr)	18.0 – 20.0
Nickel (Ni)	8.0 – 12.0
Carbon (C)	≤ 0.03
Manganese (Mn)	≤ 2.0
Silicon (Si)	≤ 0.75
Phosphorus (P)	≤ 0.045
Sulfur (S)	≤ 0.03
Iron (Fe)	Balance (~70%)

The low carbon content (≤ 0.03%) minimizes carbide precipitation during welding, enhancing corrosion resistance in welded structures compared to sa 240 gr 304. The balanced chromium and nickel content provides good resistance to mild corrosive environments.

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ASME SA 240 Gr 304L Mechanical Properties

 

The ASME SA 240 Gr 304L mechanical properties offer a balance of strength, ductility, and corrosion resistance, ideal for a wide range of applications.

Property	Value at 20°C
Tensile Strength (MPa)	≥ 485 (70 ksi)
Yield Strength (MPa)	≥ 170 (25 ksi)
Elongation (%)	≥ 40
Hardness (HRB)	≤ 92
Density	8.0 g/cm³ (0.289 lb/in³)

Solution annealing at 1010-1120°C (1850-2048°F) optimizes UNS S30403 mechanical properties for formability and corrosion resistance. At Gangsteel, we’ve seen clients use this alloy in welded chemical tanks, where its performance surpasses sa 240 gr 430 due to its superior weldability and corrosion resistance.

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ASME SA 240 Gr 304L Specifications and Forms

 

Gangsteel supplies ASME SA 240 Gr 304L stainless steel sheets, plates, coils, bars, and custom components, compliant with ASME SA240 Stainless sheet and ASTM A240 standards:

7.1 Sheet and Plate

• Thickness: 0.1 mm to 6 mm (sheet), 0.5 mm to 100 mm (plate)
• 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, No.4, BA, or customized
• Standards: ASME SA240 Stainless sheet, ASTM A240
• Applications: ASME SA 240 Gr 304L stainless steel sheets for welded chemical tanks, UNS S30403 plates for food processing equipment

7.2 Coil

• Thickness: 0.1 mm to 6 mm
• Width: Up to 2000 mm
• Standards: ASME SA240 Stainless sheet, ASTM A240
• Applications: Continuous production for welded pipes and tubes

7.3 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 SA 240 Gr 304L bar for fittings and fasteners

7.3 Custom Components

• Types: Flanges (ASME B16.5), fittings, CNC-machined parts, stainless cutting sheet part
• Tolerances: ±0.05 mm for precision components
• Applications: Tailored solutions for food processing and chemical industries

Note: Need a specific size or finish? Gangsteel offers custom solutions, including precision cutting and heat treatments, to meet ASME SA240 Stainless sheet requirements. Contact us at admin@gangsteel.com for bespoke ASME SA 240 Gr 304L material specifications.

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Applications of ASME SA 240 Gr 304L Stainless Steel Sheets

 

ASME SA 240 Gr 304L stainless steel sheetsare versatile, excelling in industries requiring corrosion resistance, weldability, and hygiene. Key ASME SA 240 Gr 304L applications include:

• Food Processing: ASME SA 240 Gr 304L stainless steel sheets for tanks, conveyors, and kitchen equipment.
• Chemical Processing: UNS S30403 plates for welded reactors and storage vessels.
• Architectural: ASME SA 240 Gr 304L bars for railings and decorative panels.
• Medical: Surgical instruments and hospital equipment.
• General Industry: Structural components in mild corrosive environments.

Case Study: A brewery in Europe used ASME SA 240 Gr 304L stainless steel sheets for fermentation tanks, improving hygiene and reducing corrosion issues by 20% compared to sa 240 gr 201.

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ASME SA 240 Gr 304L vs Related Grades

 

To aid in material selection, here’s a comparison of ASME SA 240 Gr 304L with sa 240 gr 304, sa 240 gr 304H, and sa 240 gr 316L:

Property	ASME SA 240 Gr 304L (S30403)	ASME SA240 Gr 304	ASME SA240 Gr 304H	ASME SA240 Gr 316L
UNS Number	S30403	S30400	S30409	S31603
Type	Austenitic	Austenitic	Austenitic	Austenitic
Chromium Content	18.0-20.0%	18.0-20.0%	18.0-20.0%	16.0-18.0%
Nickel Content	8.0-12.0%	8.0-10.5%	8.0-10.5%	10.0-14.0%
Molybdenum Content	-	-	-	2.0-3.0%
Carbon Content	≤ 0.03%	≤ 0.08%	0.04-0.10%	≤ 0.03%
Corrosion Resistance	Good, enhanced weldability	Good in mild environments	Good in mild environments	Excellent in chlorides
Strength	Moderate	Moderate	High at high temps	Moderate
Temp Range	Up to 870°C (1598°F)	Up to 870°C (1598°F)	Up to 870°C (1598°F)	Up to 870°C (1598°F)
Cost (USD/kg)	5-10	5-10	5-10	6-12
Applications	Welded structures, food processing	Food processing, architectural	High-temp chemical	Marine, chemical

• ASME SA 240 Gr 304L vs ASME SA240 Gr 304: ASME SA 240 Gr 304L offers enhanced weldability due to lower carbon, ideal for heavy welding, while sa 240 gr 304 is standard for general corrosion resistance.
• ASME SA 240 Gr 304L vs ASME SA240 Gr 304H: ASME SA 240 Gr 304L is optimized for welded applications, while sa 240 gr 304H provides better creep resistance for high-temperature uses.
• ASME SA 240 Gr 304L vs ASME SA240 Gr 316L: ASME SA 240 Gr 304L is cost-effective for mild environments, while sa 240 gr 316L excels in chloride-rich settings due to molybdenum.

Conclusion: Choose ASME SA 240 Gr 304L for welded structures and food processing, sa 240 gr 304 for general applications, sa 240 gr 304H for high-temperature uses, or sa 240 gr 316L for chloride resistance.

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ASME SA 240 Gr 304L Equivalent Materials

 

ASME SA 240 Gr 304Laligns with international standards for global compatibility.

Standard	Grade
UNS	S30403
W.Nr.	1.4307
EN	X2CrNi18-9
JIS	SUS 304L
GB	00Cr19Ni10
ASTM	A240 304L
ASME	SA240 304L

Note: ASME SA 240 Gr 304L equivalent grades comply with ASME SA240 Stainless sheet, JIS, and GB standards, offering interchangeability with sa 240 gr 304 for general applications.

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ASME SA 240 Gr 304L Allowable Stress

 

The allowable stress values for ASME SA 240 Gr 304L, per ASME BPVC Section II, Part D, ensure reliable performance in moderate-temperature applications.

Temperature (°C)	Allowable Stress (MPa)
100	150
200	140
300	130
400	120
500	110
600	100

Note: These values ensure ASME SA 240 Gr 304L performs reliably in welded food processing tanks and chemical equipment under moderate temperatures.

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ASME SA 240 Gr 304L Price

 

The ASME SA 240 Gr 304L price per kg ranges from USD 5-10 per kg (FOB), influenced by:

• Alloy Content: Lower alloy content compared to sa 240 gr 316L keeps costs affordable.
• Market Demand: High demand in food processing and chemical industries drives UNS S30403 price.
• Product Form: ASME SA 240 Gr 304L plates may cost more than sheets due to processing complexity.
• Global Supply Chain: Freight and raw material availability impact ASME SA 240 Gr 304L cost.

For a precise ASME SA 240 Gr 304L price per kg or bulk discounts, contact Gangsteel at admin@gangsteel.com.

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Related Stainless Steel Grades

 

Gangsteel offers a wide range of ASME SA240 Stainless sheet grades to complement ASME SA 240 Gr 304L for various applications:

• sa 240 gr 304: General-purpose austenitic stainless steel.
• sa 240 gr 304H: High-carbon for high-temperature strength.
• sa 240 gr 304N: Nitrogen-enhanced for increased strength.
• sa 240 gr 304LN: Nitrogen-enhanced for cryogenic applications.
• sa 240 gr 316: Molybdenum-alloyed for chloride resistance.
• sa 240 gr 316L: Low-carbon for enhanced weldability in chloride environments.
• sa 240 gr 316H: High-carbon for high-temperature strength.
• sa 240 gr 316LN: Nitrogen-enhanced for strength and corrosion resistance.
• sa 240 gr 316N: High strength for structural applications.
• sa 240 gr 316Ti: Titanium-stabilized for high-temperature weldability.
• sa 240 gr 317: High corrosion resistance for chemical processing.
• sa 240 gr 317L: Low-carbon for acidic environments.
• sa 240 gr 317LM: Cost-effective corrosion resistance for acidic environments.
• sa 240 gr 317LMN: Nitrogen-enhanced for improved strength and corrosion resistance.
• sa 240 gr 904L: Superior sulfuric acid resistance for chemical applications.
• sa 240 gr 201: Cost-effective for decorative applications.
• sa 240 gr 201L: Cost-effective for structural applications.
• sa 240 gr 201LN: Nitrogen-enhanced for structural and cryogenic applications.
• sa 240 gr 202: General corrosion resistance for decorative uses.
• sa 240 gr 301: High strength for springs and fasteners.
• sa 240 gr 301L: Low-carbon for improved weldability.
• sa 240 gr 301LN: Nitrogen-enhanced for strength and weldability.
• sa 240 gr 302: General-purpose austenitic stainless steel.
• sa 240 gr 305: High nickel for deep drawing applications.
• sa 240 gr 309CB: High-temperature corrosion resistance.
• sa 240 gr 309H: High-temperature strength for furnaces.
• sa 240 gr 309HCB: Enhanced high-temperature performance.
• sa 240 gr 309S: Corrosion resistance for high-temperature applications.
• sa 240 gr 310CB: High-temperature strength with columbium.
• sa 240 gr 310H: High-temperature resistance for furnaces.
• sa 240 gr 310HCB: Enhanced high-temperature performance.
• sa 240 gr 310MOLN: Nitrogen-enhanced for urea production.
• sa 240 gr 310S: High-temperature corrosion resistance.
• sa 240 gr 316CB: Columbium-stabilized for weldability.
• sa 240 gr 415: High strength for oilfield and turbine applications.
• sa 240 type 2205: Duplex for marine applications.
• sa 240 type 2304: Lean duplex for structural applications.
• sa 240 type 2507: Super-duplex for aggressive environments.
• sa 240 type 329: Duplex for chemical and marine applications.
• sa 240 type 255: Enhanced sulfuric acid resistance.
• sa 240 gr 800: High-temperature corrosion resistance.
• sa 240 gr 800H: Enhanced creep resistance for high temperatures.
• sa 240 gr 904L: Superior sulfuric acid resistance.
• sa 240 gr 334: High-temperature resistance for heating elements.
• sa 240 gr 347: Stabilized for high-temperature corrosion resistance.
• sa 240 gr 347H: Enhanced creep resistance for high-temperature applications.
• sa 240 gr 348: Low-cobalt for nuclear applications.
• sa 240 gr 348H: High-carbon for enhanced high-temperature strength.
• sa 240 gr 405: Ferritic for heat-resistant applications.
• sa 240 gr 409: Cost-effective for automotive exhaust systems.
• sa 240 gr 410: Martensitic for high-strength applications.
• sa 240 gr 410S: Low-carbon martensitic for improved weldability.
• sa 240 gr 429: Ferritic for corrosion and heat resistance.
• sa 240 gr 430: Ferritic for decorative and appliance applications.
• sa 240 gr 434: Ferritic with molybdenum for enhanced corrosion resistance.
• sa 240 gr 436: Ferritic for automotive and corrosion-resistant applications.
• sa 240 gr 439: Ferritic for exhaust systems and appliances.
• sa 240 gr 444: Ferritic with high corrosion resistance for water tanks.
• sa 240 gr 321: Titanium-stabilized for high-temperature applications.
• sa 240 gr 321H: High-carbon for enhanced creep resistance.

Note: These grades complement ASME SA 240 Gr 304L in food processing, chemical, and welded applications. Contact Gangsteel for a full catalog to find the perfect material for your project.

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FAQ

 

Q: What is the main difference between ASME SA 240 Gr 304L and ASME SA240 Gr 304?

A: ASME SA 240 Gr 304L has lower carbon content for enhanced weldability, ideal for heavy welding, while sa 240 gr 304 is standard for general corrosion resistance.

Q: Is ASME SA 240 Gr 304L suitable for food processing?

A: Yes, its excellent corrosion resistance and hygienic properties make it ideal for food processing equipment, outperforming sa 240 gr 201 in durability and hygiene.

Q: How does the price of ASME SA 240 Gr 304L compare to ASME SA240 Gr 316L?

A: ASME SA 240 Gr 304L is typically 20-30% less expensive than sa 240 gr 316L due to the absence of molybdenum, offering cost-effective performance for mild environments.

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Contact Us

 

For ASME SA 240 Gr 304L stainless steel sheets quotes, technical data sheets, or custom solutions, contact Gangsteel at admin@gangsteel.com. Explore our ASME SA240 Stainless sheet portfolio for more options.

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