0.875" Alloy Steel Hex Bar 4130-Annealed -Part #: 21078
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- Across Flats: 0.875 "
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Product Details, Specifications, and Technical Information
Alloy Steel Hex Bar 4130 Annealed offers good strength and weldability without compromising steel abrasion or impact resistance. This material comes in the normalized condition and doesn't require further heat treatment. It is typically used in structural applications, gears, fasteners, and aircraft exteriors.
| Dimension Name | Specification |
| Max Length | 144 |
| Across Flats | 0.875 |
| Alloy | 4130 |
| Temper | Annealed |
| MTR Availability | Yes |
| Material | Alloy Steel |
| Shape | Bar-Hex |
| Custom Cut Warehouse | 1 |
| Weight/Lineal Foot | ||
| 5.55 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 | 81 |
| Yield Tensile Strength KSI | 67 |
| Density g/cm^3 | 8 |
| Brinell Hardness 500 kg load | 156 |
| Rockwell Hardness B Scale | 82 |
| Elongation % in 2 in. | 28 |
| Shear Strength KSI | 49 |
| Electrical Conductivity % IACS | 7 |
| Melting Point °F | 2590 - 2660 |
| Machinability % | 70 |
| Chemistry Information: 4130 Alloy Steel | |
| Element | Percentage |
| C | 0.28 - 0.33 |
| Cr | 0.8 - 1.1 |
| Fe | 97.3 - 98.22 |
| Mn | 0.4 - 0.6 |
| Mo | 0.15 - 0.25 |
| P | 0.035 max |
| Si | 0.15 - 0.35 |
| S | 0.04 max |
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