8630 Hot Rolled SBQ Bar
HR 8630 steel bar is a grade that has contains nickel, chromium and molybdenum. It is characterized as having good hardenability, and good strength and toughness. Eaton Steel Bar Company stocks many diameters of 8630 hot rolled steel to meet the market demand. We also supply AISI 8630 steel bar to various industries like automotive, construction, and oil and gas.
Applications
Typical applications for this grade of steel include gears, shafts, forged connectors, hangers and block valves.
Shapes and Sizes
Eaton Steel Bar Company supplies 8630 steel bar in a variety of sizes ranging from 7/8”- 3”. The shapes available for this grade include:
- Rounds
- Rounded Cornered Square
Standard "8630 Grade" Chemical Composition
| Carbon | 0.28-0.33 |
| Manganese | 0.70-0.90 |
| Phosphorus (max) | 0.035 |
| Sulfur (max) | 0.040 |
| Silicon | 0.15-0.35 |
| Nickel | 0.40-0.70 |
| Chromium | 0.40-0.60 |
| Molybdenum | 0.15-0.25 |
Estimated Mechanical Property Ranges for "Grade 8630"
| Tensile strength (psi) | 85,000 - 95,000 |
| Yield strength (psi) | 60,000 - 70,000 |
| Elongation in 2” (%) | 20 - 30 |
| Reduction of area (%) | 37 - 47 |
| Brinell Hardness (BHN) | 170 - 200 |
Interested in Eaton Steel's Hot Rolled Catalog?
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