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  • A516 Grade 70 steel
  • A516 Grade 70 plate
  • A516Gr70

A516 Grade 70

  • Thickness: 6mm-400mm
  • 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
A516 Grade 70 boiler steel plates are mainly used in welded pressure vessels where improved notch toughness is important.Generally As rolled is ok for rolling pressure vessel steel plate A516Gr70,however,for improve steel property and toughness,Xinsteel engineers suggest the end users accept rolling A516 Grade 70 steel plates under Normalized,especially for the steel plates thickness above 40mm.NACE MR-0175 A516 Grade 70 also offered by Xinsteel with HIC test and SSCC test.
■ 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 70 boiler steel:

Yield strength (≥Mpa) Tensile strength (Mpa) Elongation in ≥,%
260 485-620 200mm 50mm
17 21

Chemical composition for A516 Grade 70 boiler steel (Product Analysis Max%)

Main chemical elements composition of A516 Grade 70
Thickness(mm) C Si Mn P S
T≤12.5 0.27 0.13-0.45 0.79-1.30 0.035 0.035
12.5<T≤50 0.28
50<T≤100 0.30
100<T≤200 0.31
T>200 0.31

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