A36 Steel Square Bar is a solid, hot rolled mild steel bar with radius corners, perfect for structural applications, ornamental ironwork, and general fabrication. Known for its easy machinability, this steel bar is simple to weld, cut, and form. A1 Industrial Supply stocks a variety of sizes ready for fast shipping or custom cut to meet your specific needs. Whether you need a single piece or bulk quantities, we’ve got you covered with competitive pricing and reliable service.

A36 Steel Square Bar is a solid, hot rolled mild steel bar with radius corners, perfect for structural applications, ornamental ironwork, and general fabrication. Known for its easy machinability, this steel bar is simple to weld, cut, and form. A1 Industrial Supply stocks a variety of sizes ready for fast shipping or custom cut to meet your specific needs. Whether you need a single piece or bulk quantities, we’ve got you covered with competitive pricing and reliable service.

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Steel Square Bar

A36 Steel Square Bar is a solid, hot rolled mild steel bar with radius corners, perfect for structural applications, ornamental ironwork, and general fabrication. Known for its easy machinability, this steel bar is simple to weld, cut, and form. A1 Industrial Supply stocks a variety of sizes ready for fast shipping or custom cut to meet your specific needs. Whether you need a single piece or bulk quantities, we’ve got you covered with competitive pricing and reliable service.

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Stock #
Item Size & Description
Weight / Ft.
Size
QTY
Price
Add to Cart
  • SQ138

    SQ138

    Hot Rolled A-36 Steel Square

    3/8" X 3/8"

    0.48 lb/ft

    $0.00

    Proceed To Cart

    ✅ Added To Cart

  • SQ112

    SQ112

    Hot Rolled A-36 Steel Square

    1/2" X 1/2"

    0.85 lb/ft

    $0.00

    Proceed To Cart

    ✅ Added To Cart

  • SQ158

    SQ158

    Hot Rolled A-36 Steel Square

    5/8" X 5/8"

    1.33 lb/ft

    $0.00

    Proceed To Cart

    ✅ Added To Cart

  • SQ134

    SQ134

    Hot Rolled A-36 Steel Square

    3/4" X 3/4"

    1.91 lb/ft

    $0.00

    Proceed To Cart

    ✅ Added To Cart

  • SQ178

    SQ178

    Hot Rolled A-36 Steel Square

    7/8" X 7/8"

    2.60 lb/ft

    $0.00

    Proceed To Cart

    ✅ Added To Cart

  • SQ11

    SQ11

    Hot Rolled A-36 Steel Square

    1" X 1"

    3.40 lb/ft

    $0.00

    Proceed To Cart

    ✅ Added To Cart

  • SQ1114

    SQ1114

    Hot Rolled A-36 Steel Square

    1-1/4" X 1-1/4"

    5.31 lb/ft

    $0.00

    Proceed To Cart

    ✅ Added To Cart

  • SQ1112

    SQ1112

    Hot Rolled A-36 Steel Square

    1-1/2" X 1-1/2"

    7.65 lb/ft

    $0.00

    Proceed To Cart

    ✅ Added To Cart

  • SQ1134

    SQ1134

    Hot Rolled A-36 Steel Square

    1-3/4" X 1-3/4"

    10.40 lb/ft

    $0.00

    Proceed To Cart

    ✅ Added To Cart

  • SQ12

    SQ12

    Hot Rolled A-36 Steel Square

    2" X 2"

    13.60 lb/ft

    $0.00

    Proceed To Cart

    ✅ Added To Cart

  • SQ1212

    SQ1212

    Hot Rolled A-36 Steel Square

    2-1/2" X 2-1/2"

    21.25 lb/ft

    $0.00

    Proceed To Cart

    ✅ Added To Cart

  • SQ13

    SQ13

    Hot Rolled A-36 Steel Square

    3" X 3"

    30.60 lb/ft

    $0.00

    Proceed To Cart

    ✅ Added To Cart

  • SQ14

    SQ14

    Hot Rolled A-36 Steel Square

    4" X 4"

    55.00 lb/ft

    $0.00

    Proceed To Cart

    ✅ Added To Cart

  • SQ16

    SQ16

    Hot Rolled A36 Steel Square

    6" X 6"

    122.50 lb/ft

    $0.00

    Proceed To Cart

    ✅ Added To Cart

Items -99 to 14 of 14 total