4140 P110 Heat Treated SBQ Bar
Hot rolled 4140 P110 steel bar is a medium-carbon alloy steel that has a high hardenability. P110 refers to a heat-treated condition which has favorable mechanical properties and impact resistance. This makes it a widely used alloy in the energy market.
Applications
Typical applications for this grade of steel include tubes, collars, and couplings for use in the energy market.
Requirements
Eaton Steel Bar Company can meet the following specifications for this grade:
- API 6A
- API 5CT
Shapes and Sizes
Eaton Steel Bar Company supplies 4140 P110 steel bar in a variety of sizes ranging from 3”-12”. The shapes available for this grade include:
Standard "Grade 4140 P110" Chemical Composition
| Carbon | 0.40-0.43 |
| Manganese | 0.75-1.00 |
| Phosphorus (max) | 0.025 |
| Sulfur (max) |
0.025 |
| Chromium | 0.80-1.10 |
| Molybdenum |
0.15-0.30 |
Specified Mechanical Properties for "Grade 4140 P110"
| Tensile strength (psi) | 140,000 - 160,000 |
| Yield strength (psi) | 110,000 - 140,000 |
| Elongation in 2” (%) min | 14% |
| Reduction of area (%) min | 40% |
| Brinell Hardness (BHN) | 285 - 341 |
| Charpy Impact (min) | 20 ft-lbs @ -20°F |
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