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What is SA 240 304?

SA 240 304 is an austenitic stainless steel specified under ASME SA 240 for plates, sheets, and strips used in pressure vessels and general applications. Known for its SA 240 304 non magnetic properties and SA 240 304 density of 8.00 g/cm³, it’s ideal for applications like plat stainless 304 and SA 240 304 pipe. Gangsteel’s sa 240 gr 304 plates ensure top quality and compliance with ASME standards.

 

Chemical Composition of SA 240 304

The chemical composition of SA 240 304, as defined by ASME SA 240, ensures its corrosion resistance, weldability, and formability. Below is the typical composition (by weight percentage):

Element

Range (%)

Carbon (C)

0.00 - 0.08

Manganese (Mn)

0.00 - 2.00

Silicon (Si)

0.00 - 0.75

Phosphorus (P)

0.00 - 0.045

Sulfur (S)

0.00 - 0.030

Chromium (Cr)

18.00 - 20.00

Nickel (Ni)

8.00 - 10.50

Nitrogen (N)

0.00 - 0.10

Iron (Fe)

Balance

  • Chromium (Cr): 18-20% forms a protective oxide layer, enhancing corrosion resistance in mild environments.
  • Nickel (Ni): 8-10.5% improves ductility, toughness, and SA 240 304 non magnetic properties.
  • Carbon (C): Limited to ≤0.08% to balance strength and weldability, though SA 240 304L (≤0.03% carbon) is preferred for critical welds to avoid sensitization.

For detailed specifications, refer to our SS 304 data sheet.

 

Significance of SA 240 304 Chemical Composition

  • Corrosion Resistance: High chromium content ensures SA 240 304 resists rust in atmospheric conditions, freshwater, and mild acids, making it ideal for food-grade applications and chemical tanks.
  • Formability: Nickel and low carbon content enable excellent ductility, supporting deep drawing for plat SS 304 3mm and plate 2 mm SUS 304.
  • Weldability: Moderate carbon requires careful welding to prevent carbide precipitation, unlike SA 240 304L, which offers superior weldability. For low-carbon options, explore our sa 240 gr 304l.

Compared to SS204 vs SS 304, SA 240 304 provides better corrosion resistance and durability due to higher nickel content. For chloride-rich environments, consider sa 240 gr 316l.

 

Applications of SA 240 304

The chemical composition of SA 240 304 supports its use in:

  • Food Processing: Hygienic surfaces for tanks, conveyors, and equipment, leveraging SA 240 304 non magnetic properties.
  • Chemical Industry: Vessels and SA 240 304 pipe resistant to mild corrosives.
  • Architecture: Decorative and structural panels, such as plat stainless 304.
  • Automotive: Components requiring corrosion resistance and formability.

For high-temperature applications, explore our sa 240 gr 304h. For harsher conditions, check sa 240 gr 317l.

 

Why Choose Gangsteel for SA 240 304?

Gangsteel provides certified SA 240 304 plates with precise chemical composition, ensuring performance and compliance. Our inventory includes SA 240 TP 304/304L dual-certified plates and custom sizes like plat SS 304 3mm at competitive SA 240 304 plate price points. For quotes or to learn more about SA 240 304, visit our astm a 240 stainless plate page or email admin@gangsteel.com.

 

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