|Typical Hardness||241 Max|
|Standards||ASTM A108, ASTM A29, UNS #G41400|
- Precision 4140 (heat treated) centerless rounds have highly consistent dimensions with guaranteed tolerances. Machine-ready material increases throughput by helping to minimize preparation and setup times.
- 4140 (heat treated) meet ASTM A108, ASTM A29, ASTM A193-B7, UNS# G41400, AISI 4140 standards 4140 (annealed) meet ASTM A108, ASTM A29, UNS# G41400, AISI 4140 standards 8620 meet ASTM A108, ASTM A29, SAE 8620, AISI 86200, UNS# G86200 standards