Boiler steel plate ASTM A516 Grade 65

ASTM A516 Grade 65 boiler steel plate owned a higher yield strength and tensile strength comparing with boiler steel plate A516 Grade 55 and A516 Grade 60. Now we can offer the maximum thickness 400mm for boiler steel plate A516 Grade 65,this is the most heavy in China.The unit weight can reach till 30 tons.Besides Ultrasonic examination,charpy V-notch impact test and simulated post-weld heat treatment of mechanical coupons shall be chosed by the end users when ordered these pressure vessel steel plates A516 Grade 65.

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 A516 Grade 65 boiler steel

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

Chemical composition for A516 Grade 65 boiler steel (Product Analysis Max%)

Main chemical elements composition of A516 Grade 65
Thickness(mm) C Si Mn P S
T≤12.5 0.24 0.13-0.45 0.79-1.30 0.035 0.035
12.5<T≤50 0.26
50<T≤100 0.28
100<T≤200 0.29
T>200 0.29
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