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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 A285 grade B Carbon steel plate Mechanical property
ASTM A285 grade B Carbon steel plate is intended for use in standard tanks and boilers rather than high pressurised vessels due to the steels lower yield strength. ASTM A285 Grade B Carbon steel plate is supplied throughout the oil gas and petrochemical industry.
ASTM A285 grade B Carbon steel plate is that technical terms under Normalized,Quenched and Tempered,Ultrasonic examination,low temperature impacting test,High temperature tension test,PWHT shall be choosed by customers when making orders.
ASTM A285 grade B Carbon steel plate Specification
Thickness within 6-300mm
Width within 1500-4200mm
Length within 3000-18000mm.
ASTM A285 grade B Carbon steel plate Mechanical property
Yield strength(Mpa)≥185 Tensile strength(Mpa):345-485 Elongation(%):(200mm)≥25 (50mm)≥28
Chemical composition(%)
C≤0.22 Si:0.08-0.45 Mn≤0.98 P≤0.035 S≤0.035
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