It is one of the indexes of metal strength.
Galvanised sheet metal properties.
Of these materials the corrosion protection of steel is most challenging even if iron is more noble than zinc or aluminum 2 fig.
The properties of galvanized steel are a unique combination that make it ideal for use in interior and exterior applications such as car bodies appliances nuts and bolts roofs and rebar.
1 shows a schematic of the corrosion process on iron along with the possible half cell reactions depending on the type of environment 12.
According to the american galvanizers association galvanized steel resists corrosion up to 100 times better than uncoated steel.
It is the maximum stress that the cross section is subjected to when the load is applied between the two points of the specimen.
N mm2 or mpa the symbol is σb.
This is the most common use for galvanized metal and hundreds of thousands of tons of steel products are galvanized annually worldwide.
In developed countries most larger cities have several galvanizing factories and many items of steel manufacture are galvanized for protection.
The top countries of supplier is china from which the.
1 t bends in many of the steels were embrittled by galvanizing but galvanized 2 t and 3 t bends in all steels could be completely straightened.