Grade SA516 Grade 55
Other Names
Corresponding Standard ASME SA-516/SA-516M-2017
Pressure Vessel Plates, Carbon Steel, for Moderate- and Lower-Temperature Service
Classification Carbon Steel
SA516 Grade 55 Chemical Element Composition Content (%)
  Component C Si Mn P S
t≤12.5mm Minimum Value - 0.15 0.6 - -
Maximum Value 0.18 0.4 0.9 0.025 0.025
  Component C Si Mn P S
12.5mm<t≤50mm Minimum Value - 0.15 0.6 - -
Maximum Value 0.2 0.4 1.2 0.025 0.025
  Component C Si Mn P S
50mm<t≤100mm Minimum Value - 0.15 0.6 - -
Maximum Value 0.22 0.4 1.2 0.025 0.025
  Component C Si Mn P S
100mm<t≤200mm Minimum Value - 0.15 0.6 - -
Maximum Value 0.24 0.4 1.2 0.025 0.025
  Component C Si Mn P S
t>200mm Minimum Value - 0.15 0.6 - -
Maximum Value 0.26 0.4 1.2 0.025 0.025
SA516 Grade 55 Mechanical Properties
Tensile Strength
σb
Mpa
Yield Point
σs
Mpa
Elongation or Extension Rate
δ
%
380~515 ≥205 Gauge Length L0 = 200mm
≥23
380~515 ≥205 Gauge Length L0 = 50mm
≥27

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