Boiler steel plate ASTM A515 Grade 60

ASTM A515 Grade 60 boiler steel plate under A515/A515M steel standard specification for pressure vessel steel plate,carbon steel for intermediate and higher temperature service. Generally as rolled for boiler steel plate A515 Grade 60 shall be ok,for thickness above 40mm, we suggest customers accept Normalised heat treatment for pressure vessel steel plate A515 Grade 60 which can improve the steel property and enhance steel toughness.

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 60 boiler steel


Yield strength (Mpa) Tensile strength (Mpa) Elongation in ≥,%
220 415-550 200mm 50mm
21 25

Chemical composition for A515 Grade 60 boiler steel (Product Analysis Max%)

Main chemical elements composition of A515 Grade 60
Thickness(mm) C Si Mn P S
T≤25 0.24 0.13-0.45 0.98 0.035 0.025
25<T≤50 0.27
50<T≤100 0.29
T>100 0.31

Principal Design Features
A515 covers carbon steel plate for use in pressure vessels at ambient and higher temperature service. The alloy involved for the specification is basically similar to AISI 1330 steel.

Used for high strength plate that is fabricated into pressure vessels for intermediate and higher temperature service such as boilers.

Machinability is good, similar to that of the plain carbon steels.

The alloy is readily formed by conventional methods.

Corrosion Resistance
This is essentially a plain carbon steel and is not corrosion resistant. It will rust unless protected.

This specification cover plate steel that is intended to be fabricated by welding. Thus it is readily weldable by standard methods.

Heat Treatment
Plate material to this specification is supplied in the “as rolled” or normalized or stress relieved condition. Further heat treatment is not covered by this specification.

Material is supplied as plate and not subjected to later forging.

Hot Working
If need be this plate material could be hot worked. Consult the alloy supplier for temperature and treatment information.

Cold Working
Plate material may be readily bent or cold formed as is typical of plain carbon steels.

Annealing is not covered by this specification. However the steel involved can be annealed at 1600 f and slow cooled.

Not applicable.

Not applicable.

This specification does not cover hardening by heat treatment and quenching, although the steel is capable of such.

Other Mechanical Props

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