Grade SA841 Grade G
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 G Chemical Element Composition Content (%)
Component C Si Mn P S Cr Ni Mo Al
Minimum Value - 0.04 0.6 - - 0.3 6 - 0.008
Maximum Value 0.13 0.15 1.2 0.015 0.015 1 7.5 0.3 -
SA841 Grade G Mechanical Properties
thickness
t
mm
Mark
Tensile Strength
σb
Mpa
Yield Point
σs
Mpa
Elongation or Extension Rate
δ
%
t≤50 Class 9 690~825 ≥585 L0=50mm:≥20
t≤50 Class 10 750~885 ≥620 L0=50mm:≥20

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