SA299 Gr.B Steel Plate

Executive Standard: SA299 Gr. B steel plates comply with the ASME standard, specifically ASTM A299/A299M.

2026-08-26
ASTM SA299 Gr.A and SA299 Gr.B steel plates

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
SA299 Gr. A Steel Plate for Boilers and Pressu

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
What is the difference between A285 Gr. C and

A285 Gr.C and SA285 Gr.C steel plates represent the same grade, though they are governed by different standards.

2026-08-04
What material is SA283 Gr.B?

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

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ASTM A709 Grade 50 steel plate for bridge

ASTM A709 Grade 50 steel plate is used in the "as supplied" condition. Other grades of steel covered by this specification may require heat treatment at 1700 F and water quench followed by tempering, but that is not required for Grade 50.ASTM A709 Grade 50 steel plate may be cold worked by conventional methods as it has good ductility.
Mechanical Properties of ASTM A709 Grade 50 steel plate:
Tensile: 65 KSI min
Yield: 50 KSI min
Elongation: 16% min in 8” 19% min in 2”
Size of ASTM A709 Grade 50 steel plate for bridge:
Thickness: 4.5-200mm
Width: 1600-4000mm
Length: 3000-18000mm
A709 Grade 50 steel plate for bridge have a higher strength, toughness and bear the load and impact of locomotives and vehicles, and have a good anti-fatigue, a certain low-temperature toughness and resistance to atmospheric corrosion.