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SA240 304 material sheets are versatile austenitic stainless steel products widely utilized in industries such as chemical processing, food manufacturing, and construction. These sheets, compliant with ASME SA240 standards, provide outstanding corrosion resistance, formability, and strength, making them a staple for various applications.
Gangsteel, a premier manufacturer and exporter based in China, offers top-tier SA240 304 sheets tailored for global markets. As a reliable ASME SA240 stainless steel plate supplier, Gangsteel ensures precision engineering and competitive pricing. This article delves into the features, applications, and advantages of SA240 304 material sheets, incorporating tables for enhanced clarity.
SA240 304 is an austenitic stainless steel grade featuring 18–20% chromium and 8–10.5% nickel, which contribute to its superior corrosion resistance and durability. This material is non-magnetic in the annealed state and can be hardened through cold working. Equivalent materials include UNS S30400, EN 1.4301, and JIS SUS304, facilitating international use. Gangsteel’s SA240 Gr 304 sheets are produced under strict ASTM A240 stainless plate guidelines, ensuring high performance in diverse environments.
The chemical composition of SA240 304 is defined by ASME SA240 to guarantee optimal corrosion resistance and mechanical integrity. The table below outlines the key elements:
|
Element |
SA240 304 Composition |
Purpose |
|---|---|---|
|
Carbon (C) |
≤ 0.08% |
Allows for strength while maintaining weldability. |
|
Chromium (Cr) |
18.0–20.0% |
Enhances corrosion and oxidation resistance. |
|
Nickel (Ni) |
8.0–10.5% |
Improves ductility and resistance to acids. |
|
Manganese (Mn) |
≤ 2.0% |
Boosts strength and formability. |
|
Silicon (Si) |
≤ 0.75% |
Aids in deoxidation and scaling resistance. |
|
Phosphorus (P) |
≤ 0.045% |
Controls impurities to prevent material degradation. |
|
Sulfur (S) |
≤ 0.03% |
Minimizes brittleness for better machinability. |
|
Nitrogen (N) |
≤ 0.10% |
Increases pitting resistance and overall strength. |
Gangsteel maintains rigorous quality control for SA240 304 sheets, aligning with JIS G 4304 stainless steel plate standards for international compatibility.
SA240 304 sheets exhibit balanced mechanical properties suitable for fabrication and structural use. The table below summarizes these as per ASME SA240:
|
Property |
SA240 304 Value |
Description |
|---|---|---|
|
Tensile Strength (min) |
515 MPa (75 ksi) |
Maximum stress the sheet can withstand before breaking. |
|
Yield Strength (min) |
205 MPa (30 ksi) |
Stress at which plastic deformation begins (0.2% offset). |
|
Elongation (min) |
40% (in 2 inches) |
Measure of ductility, showing stretchability before fracture. |
|
Hardness (max) |
201 HBW (Brinell) or 92 HRB (Rockwell B) |
Resistance to surface indentation, indicating wear resistance. |
|
Density |
7.93 g/cm³ (7930 kg/m³) |
Essential for weight calculations in design and engineering. |
These properties make SA240 304 sheets superior to budget options like SA240 Gr 201, while Gangsteel offers variants like SA240 Gr 304L for enhanced weldability.
SA240 304 has several international equivalents, allowing for flexible sourcing and application. The table below lists common equivalents:
|
Standard |
Equivalent Grade |
Description |
|---|---|---|
|
UNS |
S30400 |
Unified Numbering System designation for global identification. |
|
EN/DIN |
1.4301 |
European standard equivalent with similar corrosion resistance. |
|
JIS |
SUS304 |
Japanese Industrial Standard grade for Asian markets. |
|
ISO |
X5CrNi18-10 |
International Organization for Standardization equivalent. |
|
GB (China) |
0Cr18Ni9 |
Chinese standard grade, often used in domestic manufacturing. |
Gangsteel’s SA240 304 sheets are interchangeable with these equivalents, supporting ASTM A 959 stainless steel plates for diverse projects.
SA240 304 sheets are adaptable to numerous industries due to their corrosion resistance and formability. The table below highlights key applications:
|
Industry |
Application |
Related Products |
|---|---|---|
|
Chemical Processing |
Sheets for tanks, reactors, and liners handling mild corrosives. |
|
|
Food Manufacturing |
Hygienic surfaces for equipment like conveyors and storage units. |
|
|
Construction |
Architectural panels, roofing, and structural supports. |
|
|
Automotive |
Exhaust systems and decorative trims requiring durability. |
Gangsteel’s ASME SA 213/SA 213M stainless pipes integrate well with SA240 304 sheets for comprehensive systems.
The density of SA240 304 is 7.93 g/cm³ (7930 kg/m³). To calculate the weight of a sheet:
Weight (kg) = Density (kg/m³) × Volume (m³)
Volume (m³) = Length (m) × Width (m) × Thickness (m)
Example:
This is vital for logistics in projects using SA240 Gr 304 or equivalents like SA240 Gr 310S.
SA240 304 offers a cost-effective balance of properties. The table below compares it with other Gangsteel grades:
|
Grade |
Key Features |
Best Use Case |
|---|---|---|
|
Versatile corrosion resistance and formability. |
General fabrication, food processing. |
|
|
Low carbon for improved weldability. |
Welded tanks, chemical equipment. |
|
|
Added molybdenum for better chloride resistance. |
Marine applications, harsh corrosives. |
|
|
Lower cost with reduced nickel content. |
Indoor, non-corrosive environments. |
Gangsteel’s nickel alloy steel plates provide alternatives for extreme conditions.
As a China-based stainless solution provider, Gangsteel excels in manufacturing and exporting ASME SA240 stainless steel plates, including SA240 304 sheets, with:
SA240 304 material sheets deliver exceptional corrosion resistance and versatility for chemical, food, and construction industries. With precise chemical composition and mechanical properties, they meet diverse needs, supported by equivalents like EN 1.4301. Gangsteel’s stainless solutions in China, including SA240 Gr 316L and SA240 Gr 904L, ensure high-quality, customized options. Contact Gangsteel to explore our UNS stainless steel plates for your next project.
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