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That particular photograph is probably edited. The grains you see in a steel item are just grains of steel. Each grain has a particular crystalline structure,
by db48x 5y ago
That particular photograph is probably edited.
The grains you see in a steel item are just grains of steel. Each grain has a particular crystalline structure, and neighboring grains have different structures or different orientations.
Most other metals lack a visible grain structure because they are purer (and therefore less likely to crystallize) or the metals in the alloy do not produce as many variations in grain structure.
- rhn_mk1 5y agoI've just noticed that the patterns are suspiciusly regular on this picture. Nice catch!
- rnvannatta 5y agoI don't think it's edited. It's just hot dipped galvanized steel, those are zinc crystals on the surface.
- db48x 5y agoI suspect the colors were manipulated though. Some of the zinc crystals appear to be reflecting a cyan light placed somewhere else in the room, but look at the one cyan reflection under the guy’s thumb.