Flatness Reference Guide for ASTM A36

Flatness Reference Guide for
ASTM A36 Stress Relieved Plate


Plate Burning
Plate Burning Table
A36 steel is a standard steel alloy that is a common structural steel in the United States. The A36 standard was established by the standards organization ASTM International. If flatness is critical, please contact our sales team. Several factors may affect flatness – thickness, shape, grade and others. This flatness guide is for reference only.

Each piece of metal has its own uniqueness.

For A36 steel general information, visit A36 Steel Plate.

Stress Relieved Material

GaugeBlanchard GrindSurface Grind
below 1/2″call our sales teamcall our sales team
1/2″ to 13/16″.006/ft.003/ft
7/8″ to 1 7/16″.004/ft.002/ft
1 1/2″ to 1 15/16″.003/ft.002/ft
2″ to 3 15/16″.002/ft.0015/ft
4″ to 6″.001/ft.001/ft
over 6″.001/ft.001/ft

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