18crmo4 Alloy Structural Steel Round Bar
High Quality Steel Rod Products Description
18CrMo4 round bar stock steel is a low carbon case NMened steel that contains at least a variety of alloying elements as strengthening elements according to the EN10084 standard.
18CrMo4 round stock metal has good process properties and high strength at 500-550°C. At the same time, the weldability of 18CrMo4 round bar is also very good and has excellent machining or cutting performance.
18CrMo4 solid round bar can be used in steel rollers, drill cutters, bushings, pinions, drill inserts, etc.
18crmo4 Alloy Structural Steel Round Bar Products Details
Chemical composition % of steel 18CrMo4 (1.7243):
| C | Si | Mn | P | S | Cr | Mo |
| 0.15 - 0.21 | max 0.4 | 0.6 - 0.9 | max 0.025 | max 0.035 | 0.9 - 1.2 | 0.15 - 0.25 |
Mechanical properties of steel 18CrMo4 (1.7243):
| Nominal thickness (mm): | to 16 |
| Rm - Tensile strength (MPa) NMening and tempering at 200 | 1100 |
| Nominal thickness (mm): | to 160 |
| Rm - Tensile strength (MPa) (+QT) | 485-660 |
| KV - Impact energy (J) (+QT) | +20° 50 |
| Nominal thickness (mm): | to 160 |
| A - Min. elongation at fracture (%) (+QT) | 20 |
| Z - Reduction in cross section on fracture (%) | 57-62 |
| Brinell NMness (HBW): (+A) | 207 |
| Brinell NMness (HBW): (+TH) | 156 - 207 |
| Brinell NMness (HBW): (+FP) | 140 - 187 |
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