A36 Steel Plate | Precision Grinding, Inc.
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A36 Steel Plate


A36 Steel Plate

A36 Burnouts

A36 steel general information

The A36 carbon steel specification was first issued in 1960. Today, engineers specify ASTM A36 for more structural steel fabrications than any other type of plate. Consequently, A36 plate is the most purchased hot-roll steel plate in the world and the least expensive of the commercial carbon steels. The heat ability of A36 creates very good welding properties, and the 36 ksi yield strength makes A36 acceptable for most applications. A36 is considered a mild steel due to it’s relatively moderate hardness.

A-36 is a structural-quality mild carbon steel used in general construction applications including bolted or welded construction of buildings and bridges and common machine parts.

Common Uses of A36 Steel Plate

Common uses of A36: Shim plates, Gusset plates, bridge plates, bearing plates, robot bases, column base plates, press parallels, press platens, tooling plates, machine plates, machine frames and pedestals, steel table tops, base plates, mold & die, machine mounting plates, etc.

Precision Grinding Inc. capabilities:

Mill Certifications or Material Test Reports (MTR’s) are available upon request.  Material Test Reports (MTR’s) include plate specifications, heat numbers, chemical and physical properties listed by the manufacturer or producing mill.  Precision Grinding stores an electronic file copy of each MTR, indefinitely.

A36 steel physical properties table  
Steel Type Mild Carbon/Low Carbon
ASTM Designation A36
Common PGI Inventory 0.25” – 6.00″ inquire for thicker plate
Minimum Yield Stress (ksi) 36.3
Average Tensile Strength (ksi) 58 – 80
Elongation at Breakage 23% minimum in 2” (for plate 24” and wider)
OR  20% minimum in 8”
Approximate Hardness (Rc)
Approximate Hardness (Rb)
Brinell Hardness
% Machinability 72
Average surface cutting speed (ft/min) 120

A36 steel chemical composition table  
% Carbon (C) 0.250 – 0.290
% Copper (Cu) 0.200
% Iron (Fe) 98.0
% Manganese (Mn) 1.030
% Phosphorus (P) 0.040
% Silicon (Si) 0.280
% Sulfur (S) 0.050

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