4130 Hot Rolled SBQ Bar
Grade 4130 steel has many advantages including good weldability and good mechanical properties. Eaton Steel Bar Company stocks many diameters of 4130 hot rolled steel bar available to meet the market demand.
Applications
This grade of steel has applications in the oil and gas, and firearms industries. Typical applications for 4130 steel bar stock include parts that are used under high stress such as pumps, valve bodies, fittings, chassis, and more.
Shapes and Sizes
Eaton Steel Bar Company supplies 4130 steel bar stock in a variety of sizes ranging from 1¼”- 15”. Other sizes may be available, contact Eaton Steel for more information. The shapes available for this grade include:
- Rounds
- Rounded Cornered Square
Standard "4130 Grade" Chemical Composition
| Carbon | 0.28-0.33 |
| Manganese | 0.40-0.60 |
| Phosphorus (max) | 0.035 |
| Sulfur (max) | 0.040 |
| Silicon | 0.15-0.35 |
| Chromium | 0.80-1.10 |
| Molybdenum | 0.15-0.25 |
Estimated Mechanical Property Ranges for "Grade 4130"
| Tensile strength (psi) | 85,000 - 95,000 |
| Yield strength (psi) | 55,000 - 65,000 |
| Elongation in 2” (%) | 25 - 35 |
| Reduction of area (%) | 45 - 55 |
| Brinell Hardness (BHN) | 180 - 210 |
Interested in Eaton Steel's Hot Rolled Catalog?
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