5.5" Alloy Steel Round Bar 4340-Normalized Rough Turned -Part #: 7415
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- Diameter: 5.5 "
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Product Details, Specifications, and Technical Information
Alloy Steel Round Bar 4340 Normalized Rough Turned has high strength, toughness, wear resistance, and fatigue strength. It can be machined in all states other than hardened and it is easily welded. Additionally, 4340 can be cold worked easily in the annealed state. It is typically used in military aircraft, automotive systems, hydraulic parts, machine tools, and a steel crankshafts.
| Dimension Name | Specification |
| Diameter | 5.5 |
| Max Length | 144 |
| Alloy | 4340 |
| Temper | Normalized |
| Production Method | Rough Turned |
| MTR Availability | Yes |
| Material | Alloy Steel |
| Shape | Bar-Round |
| Custom Cut Warehouse | 1 |
| Weight/Lineal Foot | ||
| 80.65 pounds |
Please note that this data is to be used ONLY FOR REFERENCE, NOT FOR DESIGN, and by using it,you agree that any decisions you make regarding materials for your project are at your own discretion.
| Mechanical Properties | |
| Property | Value |
| Ultimate Tensile Strength KSI | 186 |
| Yield Tensile Strength KSI | 125 |
| Density g/cm^3 | 8 |
| Elongation % in 2 in. | 12 |
| Rockwell Hardness C Scale | 100 |
| Melting Point °F | 2580 - 2650 |
| Shear Strength KSI | 110 |
| Brinell Hardness 3000 kg load | 363 |
| Electrical Conductivity % IACS | 8 |
| Chemistry Information: 4340 Alloy Steel | |
| Element | Percentage |
| C | 0.37 - 0.43 |
| Cr | 0.8 |
| Fe | 96 |
| Mn | 0.7 |
| Ni | 1.83 |
| P | 0.035 max |
| S | 0.04 max |
| Si | 0.23 |
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