1045 Round Steel Bar, 1045 steel, 1045 Steel Bar

1045 steel round bars are special turned, ground, and polished steel designed for applications calling for a steel superior to cold rolled or hot rolled bars, but at an economical price.

1045 round bars are produced to exacting specifications to assure close tolerances in diameter, straightness and concentricity.

1045 STEEL ROUND BAR SPECIFICATIONS

HARDNESS

180 BHN

TOLERANCES

1″ Diameter – 3″ Diameter: +.000″, -.002″

3″ Diameter – 4″ Diameter: +.000″, -.003″

4″ Diameter and above: +.000″,-.005″

Special lengths, diameters, and tolerances can be furnished to customer specifications.

Chemical Composition 
Carbon0.43 - 0.50
Manganese0.60 - 0.90
Phosphorus0.040 max
Sulfur0.050 max
Mechanical Properties 
Tensile Strength91,000 psi
Yield Strength77,000 psi
Elongation
(% in 2")
12
Sizes
1" through 8 1/2" Diameter
Lengths 20 - 24 feet

INDUSTRIES SERVED