G60 Galvanized Sheet Steel
Use at temperatures above this level will result in peeling of the zinc at the intermetallic layer.
G60 galvanized sheet steel. The most common method of galvanizing steel is the hot dip galvanized process. Others available upon request. For example g60 is galvanized with a two side triple spot coating weight of at least 0 60 oz ft 2. A 924 a 924m for metal coated sheet steel including all the types discussed below.
Also for use in sheet metal work directly exposed to the elements. The number call out for both is the weight of the coating. G60 0 60 183 g90 0 90 275 g115 1 15 351 g140 1 40 427. Custom coil and or sheet.
Astm a123 standard specification of zinc hot dip galvanized coatings on iron and steel products refers to products fabricated and then hot dip galvanized. 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. Galvanized sheet steel is commonly used in automotive manufacture to enhance corrosion performance of exterior body panels of some models. Astm a 924 discusses steel composition tests for mechanical properties.
The number in that code refers to the thickness of the zinc coating on the product. Hot dip coating baths react with the steel adding low levels of. And galvanized designated with a g g40 g60. 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. Galvanized steel is suitable for high temperature applications of up to 392 f 200 c. 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. Each of the steel sheet designations is associated with unique.
Hot dipped galvanized coatings. The galvannealed is designated with an a a40 a60. This specification is for hot dip galvanizing steel sheet using the continuous high speed galvanizing process. The hot dip process a653 a653m.
Galvanized steel is the result of applying a protective zinc coating to steel to prevent it from rusting. G60 or a60 is 0 60 ounces per square foot resulting in an average thickness of about 0 0005 inches. 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. 2003 this entry appended to this thread by editor in lieu of spawning a duplicative thread.
They both fall under astm a 653 a 653m. For example a40 tells you that the metal contains 0 40 ounces of coating per square foot. It is a coating thickness designation in the galvanizing specification astm a653. Cold rolled steel gains its strength from the cold rolling process in which the steel is formed into sheets at room temperature.