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Recent content by DaRaj
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4140 Alternatives
The main problem is the lack of available sources for the material. As best I can determine, there is only one mill that makes 4140 hex in these sizes, and they have ENORMOUS tonnage minimums. The cost for this material is significantly higher that other hexes. I'm trying to find a lower cost...- DaRaj
- Post #3
- Forum: Material engineering general discussion
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4140 Alternatives
We are making a special design wrecking bar using 4140 hex (7/8"). It is a two piece bar (head and shaft) that is welded after forming. We hot forge the shapes. We do not heat treat the welded assembly, because it appears to be sufficiently strong as it. (No one has bent or broken one in...- DaRaj
- Thread
- Replies: 5
- Forum: Material engineering general discussion
