Grade SA841 Grade E Class 5
Corresponding Standard ASME SA-841/SA-841M-2023
Steel Plates for Pressure Vessels, Produced by Thermo- Mechanical Control Process (TMCP)
Classification Alloy Steel
SA841 Grade E Class 5 Chemical Element Composition Content (%)
  Component C Si Mn P S Cr Ni Cu Mo V Nb B Al
t≤40mm Minimum Value - 0.05 0.7 - - - - - - - - - 0.02
Maximum Value 0.07 0.3 1.6 0.015 0.005 0.3 0.6 0.35 0.3 0.06 0.08 0.0007 -
SA841 Grade E Class 5 Mechanical Properties
thickness
t
mm
Tensile Strength
σb
Mpa
Specified Plastic Yield Strength
Rp0.2
Mpa
Elongation or Extension Rate
δ
%
Impact Energy Absorption
KV2
J
t≤40 605~745 ≥515 L0=50mm:≥13
L0=200mm: ≥19
-40°C
≥27

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