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1045 Cold Drawn Steel Bar

Cold rolled 1045 steel bar is a medium carbon steel grade with good weldability, formability, and better mechanical properties over other cold drawn grades. This grade is widely available and commonly stocked because of its excellent properties and cost. However, due to its low alloy content, this grade has limits on physical properties. Eaton Steel Bar Company stocks several diameters of this grade to meet your demands quickly and can meet A108 requirements. We also stock many sizes that are QL-2 certified. 1045 cold drawn steel bar provides greater dimensional control, improved straightness, and better surface condition to aid in machining. We also supply 1045 cold drawn steel bar to various industries like automotive, agriculture, ATV, construction, and motorcycle.

1045 cold-rolled-steel-bar

1045 Cold Drawn Steel Bar Applications

Typical applications for this grade include shafts and fasteners for hydraulic or pneumatic cylinders. 

Shapes and Sizes

Eaton Steel Bar Company supplies 1045 cold drawn steel bar in a variety of sizes ranging from - 1/4”-8”. The shapes available for this grade include:

  • Rounds
  • Hexagon
  • Square

Standard "1045 Grade" Chemical Composition

Carbon 0.43-0.50
Manganese 0.60-0.90
Phosphorus (max) 0.040
Sulfur (max) 0.050


Estimated Mechanical Property Ranges for "Grade 1045"

Tensile strength (psi) 115,000 - 125,000
Yield strength (psi) 105,000 - 115,000
Elongation in 2” (%) 10 - 15
Reduction of area (%) 30 - 40
Brinell Hardness (BHN) 230 - 260