What Are 1045 steel round bars?
1045 steel round bars are a medium carbon steel that are designed for applications calling for a steel superior to cold rolled or hot rolled bars, but at an economical price.
Tolerances
Standard Diameter tolerances
- Hot roll – ASTM A29
- Cold finished – ASTM A108
- Can be furnished to customer specifications
- Can be turned, ground, and polished
1045 STEEL ROUND BAR SPECIFICATIONS
All 1045 steel round bars supplied meets ASTM A29 standards
Typical Chemical Composition
| Carbon | 0.43 - 0.50 |
| Manganese | 0.60 - 0.90 |
| Phosphorus | 0.040 max |
| Sulfur | 0.050 max |
Typical Mechanical Properties
| Tensile Strength | 91 ksi |
| Yield Strength | 77 ksi |
| Elongation (% in 2") | 12% |
Sizes
| 1" through 8 1/2" Diameter |
| Lengths 20 - 24 feet |
Hardness
180 BHN