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SB450 JIS standard Pressure Vessel Steel Plate
SB450 JIS standard Pressure Vessel Steel Plate
SB450 JIS standard Pressure Vessel Steel Plate
SB450 JIS standard Pressure Vessel Steel Plate

SB450 JIS standard Pressure Vessel Steel Plate

SB450 boiler steel plate owned a higher yield strength and tensile strength comparing with pressure vessel steel plate SB410.Minimum yield strength of boiler steel plate SB450 shall be 245Mpa,and tensile strength of SB450 pressure vessel steel plate shall be within 450-590Mpa.Now we give the rolling chemical composition of SB450 steel plate in below table,for the thickness over 25mm,the content of carbon may be designated to be within 0.30%,and that of Mn may be within 1.00%.
Descriptions:
 JIS G3103 specifies the hot rolled steel plates of carbon steel and molybdenum alloy steel to be used for boilers and pressure vessels, excepting those to be used at room and cold temperatures. This standard covers steel SB410, SB450, SB480, SB450M and SB480M.These plates are widely used in the fabrication of boilers and pressure vessels in industries such as petrochemical and manufacturing.
 
STEEL DIMENSION:
Thickness: 6MM to 300MM,
Width: 1500mm to 4050mm,
Length: 3000mm to 15000mm
 
Chemical Composition and Mechanical Properties:
SB450 Chemical Composition
Grade The Element Max (%)
C Si Mn P S Mo
SB450 0.28-0.31  0.15 -0.40 0.90 0.030 0.030  
 
Grade SB450 Mechanical Property
Thickness Yield Tensile Elongation
SB450 mm Min Mpa Mpa Min  %
t≦25 245 450-590 19
25<t≦50 245 450-590 23

Technical Requirements & Additional Services:
High tension test
Chemical Analysis
Low temperature impacting test
Ultrasonic test under EN 10160,ASTM A435,A577,A578
Issued Orginal Mill test certificate under EN 10204 FORMAT 3.1/3.2
Shot blasting and Painting,Cutting and welding as per end user’s demands 











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