Why is the absolute roughness of galvanized steel pipes so high? !
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In this table, the absolute roughness of the galvanized steel pipe is 0.15 mm. Isn’t galvanized pipe quite smooth? Is it that rough?
Most galvanized pipes are seam-welded steel pipes, with a high roughness at the welds.
The weld area is quite high, but if we calculate everything in this way, isn’t that a bit too high?
It’s related to the manufacturing process; your watch must be an earlier model. The surface roughness of current electroplating processes has decreased
A decrease is expected, but I’m wondering why galvanized pipes have a higher roughness than ordinary steel pipes
The inner surface of ordinary steel pipes is very smooth; take a look at galvanized pipes as well
Not all steel pipes are stainless steel
Generally, the roughness of pipes is relatively high. Theoretically, the roughness of hot-dip galvanized pipes should be even higher, as when the zinc layer adheres to the original pipe, it further increases the roughness
Oh, okay. Actually, galvanized pipes feel quite smooth to the touch. .