This is a hot dipped process where the steel is heated after coating with zinc converting the zinc coating into a harder zinc iron alloy coating that is also smoother more scratch resistant and more paintable than a galvanized finish.
Galvanized sheet steel grades.
Commercial steel deep drawing steel and extra deep drawing steel are designations described in the astm specifications for steel sheet zinc coated galvanized or zinc iron alloy coated galvannealed by the hot dip process a653 a653m.
Welcome to galvanized steel supply.
Hansen steel holds all of the standard sheet metal sizes in stock in our 150 000 square foot facility so it s ready to go for immediate delivery.
The galvanized sheet coating parameters relate to the total for both sides of the sheet.
Hot dipped galvanized is produced to meet astm a 653 specifications general requirements for steel sheet zinc coated by the hot dip process.
For high quality sheet metal look to hansen steel.
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The standard product is class g90 which has 0 9 oz ft 2 of sheet total both sides or about 0 76 mils 18 µm thickness per side.
Both types a and g are available on a full range of steel grades from cs commercial steel through edds extra deep drawing steel.
We will be glad to help you select the exact grade for your galvanized steel sheet coil.
A60 and a40 are ratings for galvannealed steel.
Typical properties produced by ak steel for these grades.
These grades have varying ability to be formed.
Galvanized steel channel is a uniquely shaped hot rolled structural steel product with inner radius corners that is ideal for industries such as residential and commercial construction general fabrication repairs and manufacturing.
On the other hand in the case of sae j403 grade 1008 the spec allows for up to 0 10 percent carbon with no minimum.
While you can now make parts with thinner steels you have to be sure that they will not rust through.
As a registered iso 9001 2015 company rolled steel products state of the art equipment meets virtually any requirement in panel flat quality leveling precision slitting close tolerance sheet blanking strip quality edge conditioning precision shearing and complete cold reducing capabilities.
Zinc coatings protect the steel by a chemical reaction.
As we build our own products we can personalize your projects and offer you a unique product for your needs.
We hold all the following materials in stock in both standard sheet and coil form.
We are one of the leaders in galvanized steel sheets roofing panels and much more.