Portland Bolt's website addresses welding of quenched and tempered fasteners in this FAQ: http://www.portlandbolt.com/faqs/welding-high-strength-anchor-bolts.
The same issues occur when flame cutting as they do when welding....heating a high strength bolt in an uncontrolled environment. There...
There are three different grades of F1554 anchor bolts....grade 36, 55, and 105. I assume grade 36 has been specified. F1554 grade 36 anchor rods (rods with thread on each end) are typically manufactured from A36 round bar. However, the F1554 anchor bolt specification contains a reduction of...