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  • A516 Grade 55
  • A516 Grade 55
  • A516 Grade 55

A516 Grade 55

  • Thickness: 6mm-450mm
  • Width: 1500mm-4200mm
  • Length: 3000mm-18000mm
  • Heat Treatment: As Rolled/Normalised
  • Steel Standard: ASTM A516/A516M
  • Rolling Type: Boiler steel plate,Pressure vessel steel plate
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■ Overview
Boiler steel plate A516Gr55,pressure vessel steel plate A516 Grade 55 are mainly used for moderate and lower temperature welded boilers and other pressure vessels where improved notch toughness is important.Steel plate A516 Grade 55 supplied to steel standard A516/A516M shall conform to specification A20/A20M which specification for general requirements for steel plates for pressure vessels.These requirements outline the testing and retesting methods and procedures,permissible variations in dimensions,and mass,quality and repair of defects,marking,loading and so on..
■ Full Data
Technical Requirements & Additional Services:
♦  High tension test
♦  Low temperature impacting test
♦  Normalised for thick plates over 40mm
♦  Simulated post-welded heat treatment (PWHT)
♦  Rolling under standard NACE MR-0175 (HIC+SSCC)
♦  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 A516 Grade 55 boiler steel:

Yield strength (Mpa) Tensile strength (Mpa) Elongation in ≥,%
205 380-515 200mm 50mm
23 27
 
Chemical composition for A516 Grade 55 boiler steel (Product Analysis Max%)

Main chemical elements composition of A516 Grade 55
Thickness(mm) C Si Mn P S
T≤12.5 0.18 0.13-0.45 0.55-0.98 0.035 0.035
12.5<T≤50 0.20 0.55-1.30
50<T≤100 0.22
100<T≤200 0.24
T>200 0.26
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