Grade A515 Grade 60
USA UNS K02401
Other Names
Corresponding Standard ASTM A515/A515M-2017
Pressure Vessel Plates, Carbon Steel, for Intermediate- and Higher-Temperature Service
Classification Carbon Steel
A515 Grade 60 Chemical Element Composition Content (%)
  Component C Si Mn P S
t≤25mm Minimum Value - 0.15 - - -
Maximum Value 0.24 0.4 0.9 0.025 0.025
  Component C Si Mn P S
25mm<t≤50mm Minimum Value - 0.15 - - -
Maximum Value 0.27 0.4 0.9 0.025 0.025
  Component C Si Mn P S
50mm<t≤100mm Minimum Value - 0.15 - - -
Maximum Value 0.29 0.4 0.9 0.025 0.025
  Component C Si Mn P S
t>100mm Minimum Value - 0.15 - - -
Maximum Value 0.31 0.4 0.9 0.025 0.025
A515 Grade 60 Mechanical Properties
Tensile Strength
σb
Mpa
Yield Point
σs
Mpa
Elongation or Extension Rate
δ
%
50mm<t≤200mm 415~550 ≥220 ≥21
t≤50mm 415~550 ≥220 ≥25
Heat treatment:
—Plates 2 in. [50 mm] and under in thickness are normally supplied in the as-rolled condition. The plates may be ordered normalized or stress relieved, or both.
—Plates over 2 in. [50 mm] in thickness shall be normalized.

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