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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 ST52-3 black or galvanized channel steel
St52-3 channel steel mainly uses its tensile strength and yield point as its main features, widely used in the production and life. We have a large number of St52-3 channel steel products, and with world's old and new customers to maintain long-term relations of cooperation, get their praise and look forward to your accession. Let's take a look at our St52-3 channel steel size specifications and production process.

Chemical composition of ASTM St52-3 channel steel:
C≤0.20;Si≤0.50;P≤0.04;S≤0.04
Thickness:1.0-5.0mm;outer diameter:1200-9000mm
Technique:hot rolled
Surface treatment:black or galvanized
Mechanical properties: yield strength:≤16mm:≥355,16-40:≥345,40-63:≥335,63-80:≥325,80-100:≥315;tensile strength: 490-630.elongation: ≥18;empact: Temperature: 0 °C: ≥23.
Payment terms:T/T,L/C
Application:use for civil construction, underground engineering, bridge structure, marine structure, container manufacturing and automotive and machinery manufacturing.
Bebon as one of the most popular St52-3 galvanized channel steel supplier in China, we only offer qualified St52-3 channel steel products with the best quality and reasonable price for our customers. If you are interested in our products Interested, please contact us, we will provide you with the best quality St52-3 channel steel products, welcome to inquire.

