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Executive Standard: SA299 Gr. B steel plates comply with the ASME standard, specifically ASTM A299/A299M.2026-08-26
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SA299 is a carbon-manganese-silicon steel plate designed for pressure vessels—often referred to as "gas drum steel" under US standards.2026-08-19
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ntroduction to SA299 Gr.A Steel Plate:
SA299 Gr.A is a steel plate grade designated for boilers and pressure vessels under American standards.2026-08-11 -
A285 Gr.C and SA285 Gr.C steel plates represent the same grade, though they are governed by different standards.2026-08-04
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SA283 Gr.B is a low-to-medium strength carbon structural steel plate conforming to the American Society of Mechanical Engineers (ASME) standard.2026-07-31
ASTM A573 steel sheet/steel plate
ASTM A573 steel sheet/steel plate is a kind of structural hot-rolled steel. ASTM A573 steel plate/sheet is used for the structure part with high requirement of mechanical property and welding performance in building, bridge, ship, automobile, petroleum container and construction vehicles.
Chemical Requirements for ASTM A573 steel sheet/steel plate: |
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Elements |
Grade 58 (400) |
Grade 65 (450) |
Grade 70 (485) |
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Carbon, max |
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|
|
thk≤1/2in. (13mm) |
0.23 |
0.24 |
0.27 |
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1/2in. (13mm)<thk≤1.5in. (40mm) |
0.23 |
0.26 |
0.28 |
|
Manganese |
0.60-0.90 |
0.85-1.20 |
0.85-1.20 |
|
Phosphorous, max |
0.030 |
0.030 |
0.030 |
|
Sulfur, max |
0.030 |
0.030 |
0.030 |
|
Silicon |
0.10-0.35 |
0.15-0.40 |
0.15-0.40 |
So, please send the inquiry with specifications, quality required, and actual samples about the ASTM A573 steel sheet/steel plate, we will understand your need of product quickly, and give quick respond and good service.