Pressure vessel steel plate A515 Grade 65

Pressure vessel steel plate A515 Grade 65 is under ASTM A515/A515M steel standard,there are other two relative steel grades in this standard, A515 Grade 60 boiler steel and A515 Grade 70 boiler steel. Comparing with A515 Grade 60,boiler steel plate A515 Grade 65 owned a higher contains in element Carbon,so boiler steel plate A515Gr65 has a higher yield strength and tensile strength after rolled. The steel A515 Grade 65 shall be killed and made to a coarse austenitic grain size practice.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

Mechnical property for A515 Grade 65 boiler steel

Yield strength (Mpa) Tensile strength (Mpa) Elongation in ≥,%
240 450-585 200mm 50mm
19 23

Chemical composition for A515 Grade 65 boiler steel (Product Analysis Max%)

Main chemical elements composition of A515 Grade 65
Thickness(mm) C Si Mn P S
T≤25 0.28 0.13-0.45 0.98 0.025 0.025
25<T≤50 0.31
50<T≤100 0.33
100<T 0.33
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