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  • 450em steel plate
  • structure plate 450em

BS Grade 450EM STEEL PLATE

  • Steel Standard: BS 7191 British standard specification
  • Rolling Type: weldable structural offshore platform steel plate
  • Thickness: 6mm-75mm
  • Width: 500mm-4200mm
  • Length: 1000mm-18000mm
  • Heat Treatment: Quenched and Tempered
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■ Overview
355EM steel plate,bs grade 355em,structure plate 355em is applicable to offshore structures designed to operate in the european offshore sector,bs grade 355em steel shall be made by the basic oxygen or basic electric arc furnace process.355EM steel plate shall be fully killed and made to fine grain practice.All surfaces of 355em steel plate shall be 100% visually inspected complying with BS 6512,weld repair shall not be carried out by steel manufacturers.
■ Full Data
Technical Requirements & Additional Services for BS GR 450EM steel plate:
♦ Z TEST (Z15,Z25,Z35) for through-thickness testing
♦ Charpy V-notch impacting test at -40 ℃ with Min. 60J
♦ Ultrasonic test under EN 10160,ASTM A435,A577,A578
♦ Simulated post-weld heat treatment
♦ 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 BS 450EM steel plate:

Thickness (mm)
BS 450EM ≤ 16 > 16 ≤ 25 > 25 ≤ 75      
Yield strength (≥Mpa) 450 430  415      
  ≤ 75  
Tensile strength (Mpa) 550-700  

Chemical composition for BS 450EM steel plate (Ladle Analysis Max%)

Main chemical elements composition of BS 450EM steel plate
C Si Mn P S Cr Mo Nb+V Nb+V+Ti
0.16 0.25-0.60 1.00-1.65 0.025 0.015 0.30 0.25  0.10  0.12
Ni Alt Cu N Nb Ti V Cr+Mo+Ni+Cu
0.65 0.055 0.30 0.010 0.040 0.02 0.015 0.80

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