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SA-240-304 stainless sheets are austenitic stainless steel products renowned for their corrosion resistance, formability, and strength, making them essential in industries like chemical processing, food production, and construction. These sheets meet ASME SA-240 specifications, ensuring reliability for various applications. Gangsteel, a leading manufacturer and exporter in China, supplies high-quality SA-240-304 stainless sheets for global clients. As a specialist in ASME SA240 stainless steel plates, Gangsteel offers customized options to suit project needs. This article details the composition, properties, and uses of SA-240-304 stainless sheets.
SA-240-304 is a standard austenitic stainless steel grade with a composition that includes 18–20% chromium and 8–10.5% nickel, providing excellent resistance to corrosion and oxidation. It is non-magnetic in annealed conditions and suitable for forming into sheets for structural or decorative purposes. Equivalent materials include UNS S30400, EN 1.4301, and JIS SUS304, enabling broad international application. Gangsteel’s SA240 Gr 304 sheets are produced to align with ASTM A240 stainless plate standards, ensuring consistent performance.
The chemical composition of SA-240-304 is outlined in ASME SA-240 to ensure durability and resistance. The table below lists the key elements:
|
Element |
SA-240-304 Composition |
Purpose |
|---|---|---|
|
Carbon (C) |
≤ 0.08% |
Permits strength while supporting weldability. |
|
Chromium (Cr) |
18.0–20.0% |
Delivers core corrosion and oxidation resistance. |
|
Nickel (Ni) |
8.0–10.5% |
Enhances ductility and acid resistance. |
|
Manganese (Mn) |
≤ 2.0% |
Improves strength and workability. |
|
Silicon (Si) |
≤ 0.75% |
Aids in deoxidation and scaling resistance. |
|
Phosphorus (P) |
≤ 0.045% |
Restricts impurities to preserve integrity. |
|
Sulfur (S) |
≤ 0.03% |
Minimizes brittleness for improved machining. |
|
Nitrogen (N) |
≤ 0.10% |
Boosts pitting resistance and strength. |
Gangsteel adheres to these specifications for SA-240-304 sheets, compatible with JIS G 4304 stainless steel plate standards.
SA-240-304 sheets provide reliable mechanical properties for fabrication and use. The table below summarizes these as per ASME SA-240:
|
Property |
SA-240-304 Value |
Description |
|---|---|---|
|
Tensile Strength (min) |
515 MPa (75 ksi) |
Highest stress the sheet can endure before failure. |
|
Yield Strength (min) |
205 MPa (30 ksi) |
Stress where deformation starts (0.2% offset). |
|
Elongation (min) |
40% (in 2 inches) |
Ductility indicator for shaping without breaking. |
|
Hardness (max) |
201 HBW (Brinell) or 92 HRB (Rockwell B) |
Measure of wear resistance. |
|
Density |
7.93 g/cm³ (7930 kg/m³) |
Used for accurate weight assessments in designs. |
These attributes make SA-240-304 sheets preferable over options like SA240 Gr 201, with Gangsteel offering SA240 Gr 304L for weld-focused needs.
SA-240-304 has equivalents across standards, supporting global use. The table below shows common equivalents:
|
Standard |
Equivalent Grade |
Description |
|---|---|---|
|
UNS |
S30400 |
Universal identifier for material sourcing. |
|
EN/DIN |
1.4301 |
European grade with matching properties. |
|
JIS |
SUS304 |
Japanese equivalent for regional manufacturing. |
|
ISO |
X5CrNi18-10 |
International standard for cross-border applications. |
|
GB (China) |
0Cr18Ni9 |
Chinese grade for local production. |
Gangsteel’s SA-240-304 sheets integrate with these equivalents, aligning with ASTM A 959 stainless steel plates.
SA-240-304 sheets suit multiple industries due to their resistance and formability. The table below details applications:
|
Industry |
Application |
Related Products |
|---|---|---|
|
Chemical Processing |
Liners, tanks, and components for mild corrosives. |
|
|
Food Production |
Surfaces for equipment like tables and containers. |
|
|
Construction |
Panels, supports, and decorative elements. |
|
|
Pharmaceutical |
Cleanroom components and storage. |
Gangsteel’s ASME SA 213/SA 213M stainless pipes work alongside SA-240-304 sheets for system integration.
The density of SA-240-304 is 7.93 g/cm³ (7930 kg/m³). To determine sheet weight:
Weight (kg) = Density (kg/m³) × Volume (m³)
Volume (m³) = Length (m) × Width (m) × Thickness (m)
Example:
This supports planning for SA240 Gr 304 or SA240 Gr 310S.
SA-240-304 balances cost and performance. The table below compares it with Gangsteel grades:
|
Grade |
Key Features |
Best Use Case |
|---|---|---|
|
Corrosion-resistant, formable. |
General fabrication, food equipment. |
|
|
Low carbon, superior weldability. |
Welded tanks, chemical lines. |
|
|
Molybdenum-added for chloride resistance. |
Marine, harsh environments. |
|
|
Reduced cost, lower nickel. |
Indoor, mild conditions. |
Gangsteel’s nickel alloy steel plates offer alternatives for specialized uses.
Gangsteel, a key stainless solution provider in China, excels in SA-240-304 stainless sheets with:
SA-240-304 stainless sheets offer corrosion resistance and versatility for chemical, food, and construction sectors. With defined composition and properties, they suit numerous needs, supported by equivalents like EN 1.4301. Gangsteel’s solutions in China, including SA240 Gr 316L and SA240 Gr 904L, provide reliable options. Contact Gangsteel for UNS stainless steel plates to address your requirements.
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