1.625" Alloy Steel Round Bar 4140-Annealed Cold Finish -Part #: 17849
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- Diameter: 1.625 "
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Product Details, Specifications, and Technical Information
Alloy Steel Round Bar 4140 Annealed Cold Finish, also referred to as Chromoly Steel, is known for strength, resistance to fracturing, abrasion, and impact in high stress applications. 4140 is popular for a wide range of applications and is ductile and easily machined in the annealed state. It is commonly used for gears, shafts, spindles, fixtures, bolts, valves, sprockets, pistons, and collars in various high-stress and heavy-duty applications.
| Dimension Name | Specification |
| Diameter | 1.625 |
| Max Length | 144 |
| MTR Availability | Yes |
| Material | Alloy Steel |
| Shape | Bar-Round |
| Custom Cut Warehouse | 1 |
| Alloy | 4140 |
| Temper | Annealed |
| Production Method | Cold Finished |
| Weight/Lineal Foot | ||
| 7.04 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 |
| Density g/cm^3 | 8 |
| Yield Tensile Strength KSI | 60 |
| Ultimate Tensile Strength KSI | 95 |
| Brinell Hardness 500 kg load | 197 |
| Rockwell Hardness B Scale | 92 |
| Elongation % in 2 in. | 26 |
| Shear Strength KSI | 69 |
| Machinability % | 66 |
| Electrical Conductivity % IACS | 7 |
| Melting Point °F | 2580 - 2650 |
| Chemistry Information: 4140 Alloy Steel | |
| Element | Percentage |
| C | 0.38 - 0.43 |
| Cr | 0.8 - 1.1 |
| Fe | 96.785 - 97.84 |
| Mn | 0.7 - 1 |
| Mo | 0.15 - 0.25 |
| P | 0.035 max |
| S | 0.04 max |
| Si | 0.15 - 0.3 |
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