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ASME SA455 Vessel steel plate

ASME SA455 Pressure Vessel steel plates

ASME SA455 Pressure Vessel steel plates


The adopt standard is ASME SA455/SA455M -90, It is for pressure vessel steel plates, carbon steel, high Strength manganese.


The very important is Si, At ASME SA455 Standard; The Si element should be less 0.13% at products analysis.

That is different with GB Q235B,and JIS SS400, and EN S235JR, ASTM A36 carbon steel plates. Although the tensile and yield are nearly the same.


ASME SA455 steel grade Chemical requirement

Production analysis:

Carbon:  0.33% ,Max

Manganese: 0.79-1.3%

Phosphorus: 0.035% max
Sulfur   0.035%  max

Silicon: 0.13% max

ASME SA455 steel grade Tensile requirements

Thickness less 9.5mm

Tensile strength  515-655 Mpa

Yield strength    260mpa

Elongation  200mm min 15%

           50mm min 22%

Thickness 9.5-15mm

Tensile strength  505-640 Mpa

Yield strength    255mpa

Elongation  200mm min 15%

           50mm min 22%

Thickness 15mm to 20mm

Tensile strength  485-620 Mpa

Yield strength    240mpa

Elongation  200mm min 15%

           50mm min 22%

Gangsteel exported high quality ASME SA455 Vessel steel plates. Our min thickness is 8mm and we also can provide the third party inspection too.

If you have any requirement for SA455 steel plates, please feel free to contact us.

The equal steel grade of SA455
GB: Q235B

EN: S235JR



ISO: E235

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