Sae Stainless Steel Designation

This means that 1xxx groups within the sae aisi system represent carbon steels.

Sae stainless steel designation. 4 4 duplex stainless steel. In the 1930s and 1940s the american iron and steel institute aisi and sae were both involved in efforts to standardize such a numbering system for steels. Standard specification for ornamental fences employing galvanized steel tubular pickets. 4 stainless steel codes and groups.

The simplest system for designation of steel is schematically shown in figure 1. Sae society of automotive engineers. From point of edition of the 1995 iron and steel society iss strip steel manual the four digit designations are referred to solely as sae designations. F2453 f2453m 14 2019 standard specification for welded wire mesh fence fabric metallic coated or polymer coated for meshes of 6 in.

However to receive a given grade designation the alloy must adhere to a strict set of requirements set forth by the organization maintaining. Aisi american iron and steel institute. The first digit of aisi sae steel designation represents a general category grouping of steels. 3 1 carbon and alloy steel 2 stainless steel 3 high strength low alloy steel 4 see also 5 references 5 1 notes 5 2 bibliography main articles.

Older grades often feature a three digit identifier established by the society of automotive engineers sae. Sae designation uns designation cr ni c mn si p s n other. Because of the variations in some of the fundamental properties among the carbon steels they are further divided into four classes. Prior to 1995 the aisi was also involved and the standard was designated the aisi sae steel grades.

304 stainless steel by the sae standard might also be graded as. These efforts were similar and overlapped significantly. Carbon steel and. Stainless steels may also be idenfitied by their chromium nickel percentages.

The first number indicates the percentage of chromium added to the steel the second number the percent nickel. 2 3871 mm 2 or less in panels or rolls with uniform meshes f2548 20. The aisi stopped being involved because it never wrote any of the specifications. For welders the most common stainless steel filler rod you ll see is 304l used on austenitic grades.

4 3 martinistic stainless steel. You see designations like 18 8 15 5 17 7 etc. 4 1 austenitic stainless steel. Alloy steels and carbon steels can be designated with specific grades by a four digit aise sae numerical index system.

2 standard designation system for steel numbers 3 metal number specifications for steel. 4 2 ferritic stainless steel. The system is based on the chemical compositions of the steels and alloys.