Metals Depot B/W logo

A36 Steel Square Bar

A36 Steel Square Bar is a hot rolled, mild steel solid steel bar with radius corners that is ideal for all structural applications, general fabrication, manufacturing and repairs. Steel Squares are widely used in industrial maintenance, agricultural implements, transportation equipment, ornamental iron work, fencing, artwork, etc. This steel shape is easy to weld, cut, form and machine with the proper equipment and knowledge. Metals Depot stocks hundreds of sizes of steel square at wholesale prices in ready to ship precut and mill lengths or you can order online just what you need custom cut to size in small or large quantity.


SPECIFICATIONS: ASTM A36 Steel Square Bar

FINISH: Blue/Gray, slight scale, grainy

MECHANICAL PROPERTIES:

Yield Point = 36,000 psi
Tensile Strength = 58-80,000 psi
Elongation = 23% in 2" ; Elasticity = 29 ksi
Brinell Hardness = 119-158
Machinabilty Rate = 72%

CHEMICAL PROPERTIES:

Iron - 98%, Carbon - .25%-.29%, 
Copper - .20%, Silicon - .04% Max,
Manganese - .60%-.90% Max,
Phosphorous - .04% Max, 
Sulfur - .05% Max

AVAILABLE STOCK SIZES:
2ft, 4ft. 6ft, 8ft, 10ft, 20ft, or Cut to Size
Stock lengths may vary +/- 1/4"

HOW TO MEASURE:
Thickness (A) X Width (B) X Length

Steel Square Bar
Stock
Number
Product Type Item Size & Description
A x B (Inches)
Weight
(lbs. / ft.)
Click! Arrow to
Select Size
Qty Select / Price
SQ138 Hot Rolled A-36 Steel Square 3/8" x 3/8" 0.48
SQ112 Hot Rolled A-36 Steel Square 1/2" x 1/2" 0.85
SQ158 Hot Rolled A-36 Steel Square 5/8" x 5/8" 1.33
SQ134 Hot Rolled A-36 Steel Square 3/4" x 3/4" 1.91
SQ178 Hot Rolled A-36 Steel Square 7/8" x 7/8" 2.60
SQ11 Hot Rolled A-36 Steel Square 1" x 1" 3.40
SQ1114 Hot Rolled A-36 Steel Square 1-1/4" x 1-1/4" 5.31
SQ1112 Hot Rolled A-36 Steel Square 1-1/2" x 1-1/2" 7.65
SQ12 Hot Rolled A-36 Steel Square 2" x 2" 13.60
SQ1212 Hot Rolled A-36 Steel Square 2-1/2" X 2-1/2" 21.25
SQ13 Hot Rolled A-36 Steel Square 3" x 3" 30.60
Quantity Length in Feet, Inches and Fraction of Inch
PCS FT and IN  
Custom cut tolerances = plus / minus 1/16"
Call Us for Mitering and Large Quantities.
NOTICE: Custom Cut material is non-returnable and not cancelable once processing
begins. Custom cutting may require additional processing time.
Quantity Width in Inches Length in Inches
PCS and X and  
Custom cut tolerances = plus / minus 1/16"
Call Us for Mitering and Large Quantities.
NOTICE: Custom Cut material is non-returnable and not cancelable once processing
begins. Custom cutting may require additional processing time.