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SA 240refers to ASME SA-240/SA-240M, a specification published by the American Society of Mechanical Engineers (ASME) that defines the requirements for chromium, chromium-nickel, and chromium-manganese-nickel stainless steel plates, sheets, and strips used primarily for pressure vessels, boilers, and general corrosive service. The "SA" prefix indicates it’s an ASME-adopted standard, aligned with ASTM A240/A240M, where the "M" denotes metric units for international use. SA 240 is part of the ASME Boiler and Pressure Vessel Code (BPVC) Section II, Part A (Ferrous Material Specifications), ensuring materials meet stringent requirements for safety and performance in high-pressure and corrosive environments.
Gangsteel’s sa 240 gr 304 plates are certified to meet SA 240 standards.
SA 240 GR 304, a widely used austenitic grade, serves as a benchmark for SA 240 properties, known for its SA 240 304 non magnetic characteristics.
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 |
For detailed specs, refer to our SS 304 data sheet.
Property |
Value (Minimum) |
Notes |
---|---|---|
Tensile Strength |
515 MPa (74.7 ksi) |
Strength before fracture |
Yield Strength (0.2% Offset) |
205 MPa (29.7 ksi) |
Stress at plastic deformation onset |
Elongation (A5, 50 mm) |
40% |
High ductility for forming |
Hardness (Brinell) |
≤ 201 HB |
Supports machinability |
SA 240 GR 304 offers excellent corrosion resistance in:
It’s less resistant to chloride pitting compared to SA 240 GR 316L. Weldability is good with ER308 fillers, but SA 240 GR 304L is preferred for critical welds. For chloride-heavy environments, explore sa 240 gr 316l.
SA 240 grades like 304 are used in:
For high-temperature needs, see sa 240 gr 304h or sa 240 gr 321.
As of October 15, 2025, SA 240 GR 304 plate prices (2B finish, 3-6mm) range from $1.55-$3.50/kg globally. Gangsteel offers competitive pricing at $1.60/kg FOB (MOQ 1 ton) for sa 240 gr 304 plates, including custom sizes like plate 2 mm SUS 304.
Gangsteel provides certified SA 240 plates with competitive SS 304 plate price and sizes like plat stainless 304. Our 600+ ton inventory supports global delivery. For quotes or to learn more about SA 240, visit our astm a 240 stainless plate page or email admin@gangsteel.com.
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