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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
Hot rolled JIS3106 SM400A steel plate quality test

SM400A steel is a weld-able structural carbon steel plate that under the JIS G3106 standard. JIS3106 SM400A steel plate offers low yield and tensile strength that is widely used in the engineering and construction industry.
Quality test of JIS3106 SM400A steel plate include: Hardness Test, Charpy Impact Test, PWHT, Tensile Test, Hot Tensile Test, UT, Z-Testing (Through Thickness), SSC Testing, HIC Testing, etc.
Mechanical property of JIS3106 SM400A steel plate:
|
Grade
|
Thickness |
Yield |
Tensile |
Elongation |
|
SM400A |
mm |
Min Mpa |
Mpa |
Min % |
|
t≦16 |
245 |
400-510 |
18 |
|
|
16<t≦160 |
205-235 |
400-510 |
24 |
Specification of JIS3106 SM400A steel plate:
Thickness: 5mm – 200mm
Width: 1000mm – 4000mm
Length: 3000mm – 18000mm
BBN is a famous SM400A steel plate supplier in China. Our products passed strict inspection, and can completely meet your requirements. If you need JIS3106 SM400A steel plate, you can contact us at any times.

