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SA 240 Type 304 and SA 240 GR 304L are austenitic stainless steels specified under ASME SA 240 for plates, sheets, and strips used in pressure vessels and general applications.
SA 240 Type 304 has a carbon content of ≤0.08%, offering balanced strength, while SA 240 GR 304L has lower carbon (≤0.03%) for enhanced weldability. Both grades share a density of 8.00 g/cm³ (or 8000 kg/m³), as confirmed by ASME SA 240, ASTM A240, and industry standards like Penn Stainless (0.285 lb/in³ = 7.89 g/cm³, approximately 8.00 g/cm³ with rounding) and ThyssenKrupp (8000 kg/m³). The density is identical due to their similar compositions.
Gangsteel’s sa 240 gr 304 and sa 240 gr 304l plates ensure consistent density for accurate weight calculations.
The density of SA 240 Type 304 and SA 240 GR 304L (8.00 g/cm³) is crucial for:
No significant difference exists between SA 240 Type 304 and SA 240 GR 304L density, as the carbon variation is minimal.
The chemical composition of SA 240 Type 304 and SA 240 GR 304L is nearly identical, except for carbon, contributing to their shared density:
Element |
SA 240 Type 304 (%) |
SA 240 GR 304L (%) |
---|---|---|
Carbon (C) |
0.00 - 0.08 |
0.00 - 0.03 |
Manganese (Mn) |
0.00 - 2.00 |
0.00 - 2.00 |
Silicon (Si) |
0.00 - 0.75 |
0.00 - 0.75 |
Phosphorus (P) |
0.00 - 0.045 |
0.00 - 0.045 |
Sulfur (S) |
0.00 - 0.030 |
0.00 - 0.030 |
Chromium (Cr) |
18.00 - 20.00 |
18.00 - 20.00 |
Nickel (Ni) |
8.00 - 10.50 |
8.00 - 12.00 |
Nitrogen (N) |
0.00 - 0.10 |
0.00 - 0.10 |
Iron (Fe) |
Balance |
Balance |
For detailed specs, refer to our SS 304 data sheet.
The mechanical properties of SA 240 Type 304 and SA 240 GR 304L for annealed plates (8-75 mm thick) are similar, with 304L slightly lower due to reduced carbon:
Property |
SA 240 Type 304 (Min) |
SA 240 GR 304L (Min) |
Notes |
---|---|---|---|
Tensile Strength (MPa) |
515 |
485 |
304 stronger due to higher carbon |
Yield Strength (0.2% Offset, MPa) |
205 |
170 |
304L sacrifices strength for weldability |
Elongation (A5, 50 mm) |
40% |
40% |
Both highly ductile |
Hardness (Brinell) |
≤ 201 HB |
≤ 201 HB |
Similar machinability |
Both grades offer excellent corrosion resistance in:
SA 240 GR 304L has superior weldability due to lower carbon, reducing sensitization risks. For chloride-heavy environments, explore sa 240 gr 316l.
SA 240 Type 304 and SA 240 GR 304L are used in:
For high-temperature applications, explore sa 240 gr 304h.
As of October 14, 2025, SA 240 Type 304 and SA 240 GR 304L plate prices (2B finish, 3-6mm) range from $1.55-$3.50/kg globally. Gangsteel offers competitive pricing at $1.60/kg FOB for SA 240 Type 304 and $1.50/kg FOB for SA 240 GR 304L (MOQ 1 ton), including custom sizes like plate 2 mm SUS 304.
Gangsteel provides certified SA 240 Type 304 and SA 240 GR 304L plates with consistent density and properties, at competitive SS 304 plate price. Our 600+ ton inventory supports global delivery for applications from plat stainless 304 to heavy plates. For quotes or to learn more, visit our astm a 240 stainless plate page or email admin@gangsteel.com.
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