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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
Low alloy high strength St52-3 steel plate manufacturer
St52-3 steel is a low alloy high strength steel that under the DIN 17100 standard. St52-3 steel plate is readily welded to other weld-able steel. ST52-3 steel’s Mechanical properties is Yield strength more than 355 MPa, tensile strength 490-630Mpa.
ST52-3 steel plate chemical composition (%):
|
C
|
Mn |
Si |
P |
S |
V |
Nb |
Ti |
|
≤0.20 |
1.00-1.60 |
≤0.55 |
≤0.040 |
≤0.040 |
0.02-0.15 |
0.015-0.060 |
0.02-0.20 |
St52-3 steel plates’ Mechanical properties
|
Thickness |
Yield StrengthReH |
Tensile StrengthRm |
Fracture Elongation |
Notch Impact Energy1)Ch |
|
t≤ 16mm t >16mm |
355 345 |
|
|
20 degree 27J |
|
t < 3mm t ≥ 3mm |
|
510-680 490-630 |
|
|
|
Up to 1.5mm 1.51-2.00mm 2.01-2.50mm 2.51-2.99mm ≥ 3mm |
|
|
13 14 15 16 20 |
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