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  • SB450 PLATE
  • SB450 STEEL

SB450

  • Steel Standard: JIS G3103
  • Rolling Type: Boiler steel plate,Pressure vessel steel plate
  • Thickness: 6mm-500mm
  • Width: 1500mm-4200mm
  • Length: 3000mm-18000mm
  • Heat Treatment: As hot rolled,Normalized,Stress relieving annealing
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■ Overview
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%.
■ Full Data
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 
■ Techicals

Mechnical property for SB450 boiler steel:

Yield strength (≥Mpa) Tensile strength (Mpa) Elongation in ≥,%
245 450-590 No.1A No.10
19 23

Chemical composition for SB450 boiler steel (Ladle Analysis Max%)

Main chemical elements composition of SB450
Thickness(mm) C Si Mn P S Mo
T≤25 0.28 0.15-0.40 0.90 0.030 0.030 -
25<T≤50 0.31
T>50 0.33

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