They both fall under astm a 653 a 653m.
G60 galvanized sheet steel.
Cold rolled steel gains its strength from the cold rolling process in which the steel is formed into sheets at room temperature.
For example a40 tells you that the metal contains 0 40 ounces of coating per square foot.
Use at temperatures above this level will result in peeling of the zinc at the intermetallic layer.
The most common method of galvanizing steel is the hot dip galvanized process.
The number in that code refers to the thickness of the zinc coating on the product.
Others available upon request.
And galvanized designated with a g g40 g60.
Camden yards steel carries a wide variety of galvanized steel products including galvanized steel sheet galvanized steel coil and galvanized steel slit coil in g30 g40 g60 and g90 coating weights chem treat dry.
The number call out for both is the weight of the coating.
G60 has 0 60 ounces of coating per square foot.
Galvanized steel is suitable for high temperature applications of up to 392 f 200 c.
G60 0 60 183 g90 0 90 275 g115 1 15 351 g140 1 40 427.
2003 this entry appended to this thread by editor in lieu of spawning a duplicative thread.
Custom coil and or sheet.
Evaluation of g60 vs g90 galvanizing with respect to cold formed metal framing studs in exterior wall construction and interior metal stud or other architectural components.
A 924 a 924m for metal coated sheet steel including all the types discussed below.
This specification is for hot dip galvanizing steel sheet using the continuous high speed galvanizing process.
G60 or a60 is 0 60 ounces per square foot resulting in an average thickness of about 0 0005 inches.
Astm a123 standard specification of zinc hot dip galvanized coatings on iron and steel products refers to products fabricated and then hot dip galvanized.
The hot dip process a653 a653m.
For example g60 is galvanized with a two side triple spot coating weight of at least 0 60 oz ft 2.
Galvanized steel sheet plates are intended for use where greater corrosion protection is required without painting a lower cost alternative to stainless steel galvanized sheet and plates have a rust free protection for up to 30 years while maintaining strength with a durable surface coating.
G90 is not a galvanizing specification.
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.
Each of the steel sheet designations is associated with unique.
Hot dip coating baths react with the steel adding low levels of.
Our galvanized sheet metal is g60 and we use a40 galvanneal.
Astm a 924 discusses steel composition tests for mechanical properties.
Metals depot stocks many sizes in precut sizes full mill sizes or we can hot dip virtually any.
Also for use in sheet metal work directly exposed to the elements.
The galvannealed is designated with an a a40 a60.
Galvanized sheet steel is commonly used in automotive manufacture to enhance corrosion performance of exterior body panels of some models.