ASTM A240/ASME SA240 UNS S30400 Stainless Steel 304 sheet

ASTM A240/ASME SA240 UNS S30400 Stainless Steel 304 Sheet for sales

 

When it comes to selecting a versatile, durable, and cost-effective material for a wide range of applications, ASTM A240/ASME SA240 UNS S30400 Stainless Steel 304 Sheet is an industry standard. As a premier uns stainless supplier,

Gangsteel offers high-quality sa 240/a 240 uns s30400 sheets, plates, coils, bars, and custom components, all compliant with sa 240/a 240 uns stainless grades standards, including ASTM A240 and ASME SA240. With an inventory exceeding 600 tons and advanced processing capabilities, we ensure rapid delivery and tailored solutions for clients worldwide.

This comprehensive guide explores the ASTM A240/ASME SA240 UNS S30400 chemical composition, mechanical properties, equivalent materials, specifications, applications, and competitive ASTM A240/ASME SA240 UNS S30400 price per kg. Whether you're an engineer designing food processing equipment or a procurement specialist sourcing for architectural projects, this article will clarify why 304 stainless steel is a trusted choice. Explore our sa 240/a 240 uns stainless grades portfolio for related grades like sa 240/a 240 uns s30403, sa 240/a 240 uns s31600, and sa 240/a 240 uns s32100.

 

Why Choose ASTM A240/ASME SA240 UNS S30400 Stainless Steel 304 Sheet?

 

ASTM A240/ASME SA240 UNS S30400, commonly known as 304 stainless steel, is an austenitic stainless steel with 18.0-20.0% chromium and 8.0-10.5% nickel, often referred to as "18-8" stainless steel. Renowned for its excellent corrosion resistance, formability, and weldability, it is one of the most widely used stainless steel grades globally. Its versatility makes it ideal for applications ranging from kitchen equipment to architectural cladding, offering a balance of performance and affordability.

Key benefits of ASTM A240/ASME SA240 UNS S30400 stainless steel 304 sheet include:

• Excellent Corrosion Resistance: Resists corrosion in mild environments, outperforming carbon steels and suitable for food processing and general industrial uses compared to sa 240/a 240 uns s43932.
• Superior Formability and Weldability: Easily formed and welded, ideal for complex fabrications, unlike sa 240/a 240 uns s41000.
• Cost-Effective: Offers a balance of performance and affordability compared to molybdenum-alloyed grades like sa 240/a 240 uns s31600.
• Aesthetic Appeal: Polished finishes make it a favorite for decorative applications, such as architectural panels and kitchen appliances.

Case Study: A food processing plant in India adopted sa 240/a 240 uns s30400 sheets for storage tanks, achieving a 20% reduction in maintenance costs due to its corrosion resistance and hygienic properties compared to sa 240/a 240 uns s20100.

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ASTM A240/ASME SA240 UNS S30400 Chemical Composition

 

The ASTM A240/ASME SA240 UNS S30400 chemical composition is designed for corrosion resistance, formability, and weldability, compliant with sa 240/a 240 uns stainless grades standards.

Element	Percentage (%)
Chromium (Cr)	18.0 – 20.0
Nickel (Ni)	8.0 – 10.5
Carbon (C)	≤ 0.08
Manganese (Mn)	≤ 2.0
Silicon (Si)	≤ 0.75
Phosphorus (P)	≤ 0.045
Sulfur (S)	≤ 0.03
Iron (Fe)	Balance (~70%)

The balanced chromium and nickel content provides excellent corrosion resistance in mild environments, while the controlled carbon content ensures good weldability. For enhanced weldability in heavy sections, consider sa 240/a 240 uns s30403 with lower carbon content.

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ASTM A240/ASME SA240 UNS S30400 Mechanical Properties

The ASTM A240/ASME SA240 UNS S30400 mechanical properties offer a balance of strength, ductility, and corrosion resistance, suitable for a wide range of applications.

Property	Value at 20°C
Tensile Strength (MPa)	≥ 515 (75 ksi)
Yield Strength (MPa)	≥ 205 (30 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 S30400 mechanical properties for formability and corrosion resistance. At Gangsteel, we’ve seen clients use sa 240/a 240 uns s30400 sheets in architectural cladding, where its aesthetic finish and durability outperform sa 240/a 240 uns s43000.

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ASTM A240/ASME SA240 UNS S30400 Specifications and Forms

 

As a trusted uns stainless supplier, Gangsteel supplies sa 240/a 240 uns s30400 sheets, plates, coils, bars, and custom components, compliant with sa 240/a 240 uns stainless grades 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: ASTM A240, ASME SA240
• Applications: sa 240/a 240 uns s30400 sheets for food processing tanks, UNS S30400 plates for architectural cladding

7.2 Coil

• Thickness: 0.1 mm to 6 mm
• Width: Up to 2000 mm
• Standards: ASTM A240, ASME SA240
• 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: ASTM A240/ASME SA240 UNS S30400 bars 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 architectural industries

Note: Need a specific size or finish? Gangsteel offers custom solutions, including precision cutting and heat treatments, to meet sa 240/a 240 uns stainless grades requirements. Contact us at admin@gangsteel.com for bespoke ASTM A240/ASME SA240 UNS S30400 material specifications.

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Applications of ASTM A240/ASME SA240 UNS S30400 Stainless Steel 304 Sheet

 

ASTM A240/ASME SA240 UNS S30400 stainless steel 304 sheetis versatile, excelling in industries requiring corrosion resistance, formability, and hygiene. Key ASTM A240/ASME SA240 UNS S30400 applications include:

• Food Processing: sa 240/a 240 uns s30400 sheets for tanks, conveyors, and kitchen equipment.
• Architectural: UNS S30400 plates for cladding, railings, and decorative panels.
• Chemical Processing: ASTM A240/ASME SA240 UNS S30400 bars for fittings in mild chemical environments.
• Medical: Surgical instruments and hospital equipment.
• General Industry: Structural components and storage vessels.

Case Study: An architectural firm in the UAE used sa 240/a 240 uns s30400 sheets for building facades, achieving a durable, polished finish that reduced maintenance costs by 15% compared to sa 240/a 240 uns s20200.

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ASTM A240/ASME SA240 UNS S30400 vs Related Grades

 

To aid in material selection, here’s a comparison of sa 240/a 240 uns s30400 with sa 240/a 240 uns s30403, sa 240/a 240 uns s30409, and sa 240/a 240 uns s31600:

Property	ASTM A240/ASME SA240 UNS S30400	ASME SA240 UNS S30403	ASME SA240 UNS S30409	ASME SA240 UNS S31600
UNS Number	S30400	S30403	S30409	S31600
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	8.0-10.5%	8.0-12.0%	8.0-10.5%	10.0-14.0%
Molybdenum Content	-	-	-	2.0-3.0%
Carbon Content	≤ 0.08%	≤ 0.03%	0.04-0.10%	≤ 0.08%
Corrosion Resistance	Good in mild environments	Good, enhanced weldability	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	Food processing, architectural	Welded structures	High-temp chemical	Marine, chemical

• ASTM A240/ASME SA240 UNS S30400 vs ASME SA240 UNS S30403: S30400 is standard for general corrosion resistance, while sa 240/a 240 uns s30403 offers enhanced weldability due to lower carbon for heavy welding.
• ASTM A240/ASME SA240 UNS S30400 vs ASME SA240 UNS S30409: S30400 is versatile for general uses, while sa 240/a 240 uns s30409 provides better creep resistance for high-temperature applications.
• ASTM A240/ASME SA240 UNS S30400 vs ASME SA240 UNS S31600: S30400 is cost-effective for mild environments, while sa 240/a 240 uns s31600 excels in chloride-rich settings due to molybdenum.

Conclusion: Choose sa 240/a 240 uns s30400 for cost-effective general applications, sa 240/a 240 uns s30403 for welded structures, sa 240/a 240 uns s30409 for high-temperature uses, or sa 240/a 240 uns s31600 for chloride resistance.

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ASTM A240/ASME SA240 UNS S30400 Equivalent Materials

 

ASTM A240/ASME SA240 UNS S30400aligns with international standards for global compatibility.

Standard	Grade
UNS	S30400
W.Nr.	1.4301
EN	X5CrNi18-10
JIS	SUS 304
GB	0Cr18Ni9
ASTM	A240 304
ASME	SA240 304

Note: ASTM A240/ASME SA240 UNS S30400 equivalent grades comply with sa 240/a 240 uns stainless grades, JIS, and GB standards, offering interchangeability with sa 240/a 240 uns s30403 for applications requiring enhanced weldability.

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ASTM A240/ASME SA240 UNS S30400 Allowable Stress

 

The allowable stress values for ASTM A240/ASME SA240 UNS S30400, 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 sa 240/a 240 uns s30400 performs reliably in food processing tanks and architectural components under moderate temperatures.

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ASTM A240/ASME SA240 UNS S30400 Price

 

The ASTM A240/ASME SA240 UNS S30400 price per kg ranges from USD 5-10 per kg (FOB), influenced by:

• Alloy Content: Lower alloy content compared to sa 240/a 240 uns s31600 keeps costs affordable.
• Market Demand: High demand in food processing and architectural industries drives UNS S30400 price.
• Product Form: ASTM A240/ASME SA240 UNS S30400 plates may cost more than sheets due to processing complexity.
• Global Supply Chain: Freight and raw material availability impact ASTM A240/ASME SA240 UNS S30400 cost.

For a precise ASTM A240/ASME SA240 UNS S30400 price per kg or bulk discounts, contact Gangsteel at admin@gangsteel.com.

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Related Stainless Steel Grades

As a leading uns stainless supplier, Gangsteel offers a wide range of sa 240/a 240 uns stainless grades to complement sa 240/a 240 uns s30400 for various applications:

• sa 240/a 240 uns s30403: Low-carbon for enhanced weldability.
• sa 240/a 240 uns s30409: High-carbon for high-temperature strength.
• sa 240/a 240 uns s31600: Molybdenum-alloyed for chloride resistance.
• sa 240/a 240 uns s31603: Low-carbon for enhanced weldability in chloride environments.
• sa 240/a 240 uns s31700: High corrosion resistance for chemical processing.
• sa 240/a 240 uns s31703: Low-carbon for acidic environments.
• sa 240/a 240 uns s32100: Titanium-stabilized for high-temperature applications.
• sa 240/a 240 uns s32109: High-carbon for enhanced creep resistance.
• sa 240/a 240 uns s34700: Stabilized for high-temperature corrosion resistance.
• sa 240/a 240 uns s34709: Enhanced creep resistance for high-temperature applications.
• sa 240/a 240 uns s30815: High-temperature corrosion resistance.
• sa 240/a 240 uns n08904: Superior sulfuric acid resistance for chemical applications.
• sa 240/a 240 uns s31254: High corrosion resistance for aggressive environments.
• sa 240/a 240 uns s43932: Ferritic for automotive exhaust systems.
• sa 240/a 240 uns s44400: Ferritic with high corrosion resistance for water tanks.
• sa 240/a 240 uns s2304: Lean duplex for structural applications.
• sa 240/a 240 uns s31803: Duplex for marine applications.
• sa 240/a 240 uns s32205: Duplex for enhanced corrosion resistance.
• sa 240/a 240 uns s32750: Super-duplex for aggressive environments.
• sa 240/a 240 uns s32760: Super-duplex for extreme corrosion resistance.
• sa 240/a 240 uns s32520: Duplex for high-strength applications.
• sa 240/a 240 uns s32550: Enhanced sulfuric acid resistance.

Note: These grades complement sa 240/a 240 uns s30400 in food processing, architectural, and general industrial 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 ASTM A240/ASME SA240 UNS S30400 and ASME SA240 UNS S30403?

A: ASTM A240/ASME SA240 UNS S30400 is standard for general corrosion resistance, while sa 240/a 240 uns s30403 has lower carbon for enhanced weldability in heavy sections.

Q: Is ASTM A240/ASME SA240 UNS S30400 suitable for food processing?

A: Yes, its excellent corrosion resistance and hygienic properties make it ideal for food processing equipment, outperforming sa 240/a 240 uns s20100 in durability and hygiene.

Q: How does the price of ASTM A240/ASME SA240 UNS S30400 compare to ASME SA240 UNS S31600?

A: ASTM A240/ASME SA240 UNS S30400 is typically 20-30% less expensive than sa 240/a 240 uns s31600 due to the absence of molybdenum, offering cost-effective performance for mild environments.

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Contact Us

 

For sa 240/a 240 uns s30400 quotes, technical data sheets, or custom solutions, contact Gangsteel at admin@gangsteel.com. Explore our sa 240/a 240 uns stainless grades portfolio for more options.

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