Alro Steel was established in 1948 by Al and Robert Glick. Today, Alro is comprised of Alro Steel, Alro Metals, Alro Plastics and Alro Metals Outlet.

A513 Square Carbon Steel Tube

A513 Square Carbon Steel Tube
Chemical Composition

Manganese .30-.60
Carbon   .05-.25
Phosphorus   .035 max
Sulphur .035 max

A-513 Square Carbon Steel Tube

ASTM A513 Carbon Steel Tube is in as welded condition and furnished in 1008 to 1015 steel ASTM A-513 is the lowest cost mechanical tubing available. 
Wall thicknesses for A513 tubes 18 gauge and lighter are produced from cold rolled steel. A513 tube heavier than 18 gauge is typically produced from hot rolled steel.  Welding of these tubes is usually done as ERW, Electric Resistance Weld. 
Alro stocks ASTM A513 in hot rolled black or hot rolled P&O (Pickeled and Oiled).

Click here to learn more about all the carbon steel pipe and tube Alro stocks.

General Characteristics of A513 Steel Tube Include:
  • As welded condition
  • Weldable by ERW 
  • Available in Hot or cold rolled (depending on thickness)
  • Pickeled and Oiled
Typical Uses
A513 mechanical tube is used in environments where cosmetically appealing surfaces and light weight are required. Examples include display racks, furniture, greenhouses, and exercise equipment.