5.500 (5-1/2 inch) x 3 inches, 4340 QT Alloy Steel Round Rod, HR
USD 70.05 USD
Specifications
| MPN | 4340QTHRRRD5.5L3.1 |
| Brand | Online Metal Supply |
| Rod Outside Diameter | 5.500 (5-1/2 inch) |
| Rod Length | 3 inches |
| Metal/Alloy Type | 4340 |
| Temper | Prehard |
| Finish | Hot Rolled |
| Specifications Met | AISI 4340 |
4340 HR Q&T (Quenched and Tempered) is prehardend to 35-40 Rockwell C hardness. 4340 HR Q&T is primarily used for heavily stressed parts that must operate under strenuous conditions. The Quenching increases the hardness of the steel, while the tempering makes it less brittle.
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