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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
AISI 4130 Alloy structural steel plate composition
AISI 4130 Alloy structural steel plate is oil production a widely used structural steel,and 4130 alloy stuctural steel plate has high hardenability. AISI4130 steel plate welding quality and latitude, particularly in the field of welding, the welding method can affect latitude, and process control of welding.
AISI 4130 stuctural steel plate contains chromium and molybdenum as strengthening agents. It has low carbon content, and hence it can be welded easily.
Chemical composition (%)
S: allow the residual content ≤0.035 P: allow the residual content ≤0.035 Cr: 0.80 ~ 1.10
Ni: to allow the residual content ≤0.030 Cu: to allow the residual content ≤0.030 Mo: 0.15 ~ 0.25
Mechanical Properties
Tensile strength σb (MPa): ≥930 (95)
Yield strength σs (MPa): ≥785 (80)
Elongation δ5 (%): ≥12
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