1 1/8" OD 4140 G&P Round Rod
Mechanical Properties
| Ultimate Tensile Strength |
140 psi |
| Yield Strength |
90 psi |
| Brinell Hardness |
300 |
| Elongation |
20% in 2 |
Machinibility and Weldability 4142 has a machinability rating at 63% of B1112. Average cutting speed 95 ft/min. 4142 Prehard is not recommended for welding. It is best suited for welding in the annealed state, with preheating prior to welding and stress relieving after the welding operation. |
Tolerances 4142 has a machinability rating at 63% of B1112. Average cutting speed 95 ft/min. 4142 Prehard is not recommended for welding. It is best suited for welding in the annealed state, with preheating prior to welding and stress relieving after the welding operation. |
4140 TG&P Technical Specifications
4140 TG&P Chemistry
| C |
0.4-0.45 |
| Mn |
0.75-1 |
| Si |
0.205-0.35 |
| Mo |
0.15-0.25 |
| P |
0.4 |
| S |
0.04 |
Standard Tolerance on cutting is +.125" -0" (+1/8" -0")
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