Hot Roll Square Bar

A36 Steel Square Bar is a hot rolled, mild steel product featuring smooth radius corners and a solid core. It provides excellent strength and machinability, making it suitable for bracing, support frames, base plates, and other structural and manufacturing uses where weldability and formability are essential.

Hot Rolled Steel Square Bar is a durable and versatile metal bar designed for long-lasting performance in demanding applications. Its ease of machining, welding, and forming with standard equipment makes it ideal for industrial fabrication, reinforcement, and general construction where strength and reliability are required.

Specifications
Finishes
Blue/Gray, slightly scaly, grainy finish
Measurement Guide
Width X Width X Length
PageTitle
A36 Steel Square Bar, Hot Rolled Mild Steel, Structural and Machinable Support Stock
Specifications
ASTM A36 Steel, Hot Rolled
Material Properties
High strength and durability
Good weldability
Good machinability and grinding properties
Fair bending and forming capabilities
Poor corrosion resistance
Applications
Structural framework and support components
Machinery parts, frames, and fixtures
Automotive and agricultural equipment
Fencing, railings, and ornamental ironwork
Brackets, stakes, and forgings
Chemistry
Carbon: 0.26%
Copper: 0.2%
Iron: 99%
Manganese: 0.75%
Phosphorus: 0.04% max
Sulfur: 0.05% max
Mechanical Properties
Tensile Strength = 58,000 psi
Yield Strength = 36,000 psi
Elongation in 2" = 23%
Brinell Hardness = 133 - 140
Shear Strength = 43,500 psi
Melting Point = 2,590 - 2,670°F
Filter by
Clear Filters

Displaying 1 - 11 of 11 results

1/4" Steel Square Bar

Length: Select

Add Custom Cut Notes

Item#: Select

Login To Quote

Price Breaks
Quantity34 Price $/# $/FT

3/8" Steel Square Bar

Length: Select

Add Custom Cut Notes

Item#: Select

Login To Quote

Price Breaks
Quantity34 Price $/# $/FT

1/2" Steel Square Bar

Length: Select

Add Custom Cut Notes

Item#: Select

Login To Quote

Price Breaks
Quantity34 Price $/# $/FT

5/8" Steel Square Bar

Length: Select

Add Custom Cut Notes

Item#: Select

Login To Quote

Price Breaks
Quantity34 Price $/# $/FT

3/4" Steel Square Bar

Length: Select

Add Custom Cut Notes

Item#: Select

Login To Quote

Price Breaks
Quantity34 Price $/# $/FT

7/8" Steel Square Bar

Length: Select

Add Custom Cut Notes

Item#: Select

Login To Quote

Price Breaks
Quantity34 Price $/# $/FT

1" Steel Square Bar

Length: Select

Add Custom Cut Notes

Item#: Select

Login To Quote

Price Breaks
Quantity34 Price $/# $/FT

1-1/4" Steel Square Bar

Length: Select

Add Custom Cut Notes

Item#: Select

Login To Quote

Price Breaks
Quantity34 Price $/# $/FT

1-1/2" Steel Square Bar

Length: Select

Add Custom Cut Notes

Item#: Select

Login To Quote

Price Breaks
Quantity34 Price $/# $/FT

1-3/4" Steel Square Bar

Length: Select

Add Custom Cut Notes

Item#: Select

Login To Quote

Price Breaks
Quantity34 Price $/# $/FT

2" Steel Square Bar

Length: Select

Add Custom Cut Notes

Item#: Select

Login To Quote

Price Breaks
Quantity34 Price $/# $/FT