It is my understanding that class 2 316 and 304 bolts under the A193 and A320 specs are not to be hot forged because the material is strain hardened. We received some bolts that were hot forged from class 2 material and were full size axially tensile tested. The test show the bolts exceeding the...
There are few common ASTM specifications in our industry including A193 and F593. These spec call for a solution anneal after the hot forging process. We are using round bar that has already been through a solution anneal treatment, heating it to forging temp., forging, and then water quenching...
