9310 steel specializes in high core strength applications. It also exhibits good strength, high toughness, hardenability, core strength, and very high fatigue strength. When annealed, 9310 has good ductility, machinability, and cold working properties. Additionally, 9310 is easily welded. It is typically used in gears, crankshafts, heavy-duty gears, the automotive, trucking, and aerospace industries.
Physical Properties 9310 | |||
VAR | |||
|---|---|---|---|
| Density | 0.284 lb/in3 | ||
| Ultimate Tensile Strength | 155 ksi | ||
| Yield Tensile Strength | 130 ksi | ||
| Hardness Rockwell | Brinell | B109 | 331 | ||
| Elongation at Break Percentage | 15.5% | ||
| Modulus of Elasticity | 29,000 ksi | ||
| Reduction of Area Percentage | 52% | ||
| Melting Point | 2,580-2,650 °F | ||
| Specific Heat | 1.1 x 10^-1 BTU/lb-°F | ||
| Thermal Conductivity | 336 BTU-in/hr-ft^2-°F | ||
Chemistry Information | |
Element | Percentage |
| C | 0.07 - 0.13 |
| Cr | 1 - 1.4 |
| Mn | 0.4 - 0.7 |
| Mo | 0.08 - 0.15 |
| Ni | 3 - 3.5 |
| P | 0.025 |
| Si | 0.15 - 0.35 |
| S | 0.025 |
| Cu | 0.35 |