Byline: Kearn, Roy Volume: 145 Number: 4 ISSN: 10417958 Publication Date: 04-01-2001 Page: 94 Type: Periodical Language: English
A hard question
Q We are looking for a replacement of E521 00 spherodized annealed blade round bars. We flame harden these to 62-65 Re and they are used as paper slitting and cutting anvils.
These bars are 35 to 55 in. in diameter by way of 75-in. long and 16 in. in diameter at 56-in. long.
Besides the puzzle of occasional microcracks in the raw forgings, we want to increase the surface hardness to 80+ Re if
