Apr 03, 2012 · 2000. a. hi, venky. hot dipped (galvanized) zinc coatings and electroplated zinc coatings would be similar in terms of corrosion resistance if the thickness were the same, but galvanized coatings on sheet metal are usually much thicker, maybe 5 or even 10 times as thick, and therefore significantly more corrosion resistant.
When assembling aluminum panels, you want to use the strongest fasteners possible to ensure that your project holds together in high winds and winter weather. despite the dissimilar metals and risk of corrosion, stainless steel screws are the recommended fastener for aluminum panels.
May 09, 2005 · the strength properties of sae j429 grade 5 bolts and astm a325 bolts are identical; likewise, sae j429 grade 8 bolts are the strength equivalent of astm a490 bolts. these material specifications differ, however, in that astm a325 and a490 specify thread length and head size, whereas sae j429 does not.
The force-transfer mechanism is based on friction mechanical interlock guaranteed by expansion forces. they can be furtherly divided into two categories: torque controlled: the anchor is inserted into the hole and secured by applying a specified torque to the bolt head or nut with a torque wrench.a particular sub-category of this anchor is called wedge type.
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