4145 Hot Rolled Bar

Capital Steel & Wire is a leading distributor of 4145 grade hot rolled steel bar stock.

4145 is a low alloy chromium-molybdenum steel that has many uses particularly in the oil and gas industries.

The following is the mechanical and chemical properties and composition of 4145 hot rolled bar.

4145 Chemical Properties

Carbon, C 0.430-0.480%
Manganese, MN 0.750-1.00%
Phosphorus, P (max) 0.0350%
Sulphur, S (max) 0.0400%

4145 Mechanical Properties

Tensile Strength 140 ksi
Hardness HRc  30
Elongation in 2" 14%
Reduction in Area 40%
Brinell Hardness  286

We can supply your business with 4145 steel in various shapes including but not limited to the following:

  • Round Bar
  • Square Bar
  • Flat Bar
  • Hex Bar

We are able to cut the 4145 bar to any specified length. To learn more about our machining and distribution capabilities, call us toll free at (866) 773-7800 or use the contact form to your right.