Sae Tool Steel Grades

The society of automotive engineers sae designates sae steel grades.

Sae tool steel grades.

These standard grade steels are considered cold working steels that can hold their cutting edge at temperatures up to about 400 c. Outside of the us it is commonly known as a2 stainless steel in accordance with iso 3506 not to be confused with a2 tool steel. The second digit indicates there are no alloying elements. The classic 18 8 stainless steel.

The system is based on the chemical compositions of the steels and alloys. For several decades the systems were united into a joint system designated the aisi sae steel grades. In 1995 the aisi turned over future maintenance of the system to sae becaus. Ss 2260 united kingdom.

Alloy steels and carbon steels can be designated with specific grades by a four digit aise sae numerical index system. Steel and steel is introduced including chemical composition and mechanical performance data each steel grade property. Individual alloys within a grade are given a number. Afnor z 100 cdv 5 germany.

In the 1930s and 1940s the american iron and steel institute and sae were both involved in efforts to standardize such a numbering system for steels. Air hardening medium alloy cold work steel. The sae steel grades system is a standard alloy numbering system for steel grades maintained by sae international. Astm a681 fed qq t 570 sae j437 sae j438 uns t30102.

These are four digit numbers which represent chemical composition standards for steel specifications. The aisi sae general purpose grades of tool steel are o 1 a 2 and d 2. Table of steel equivalent grades en sae aisi uns din bs uni jis the table below compares steel equivalent grades of materials from various international specifications. Ba 2 united states.

Jis skd 12 sweden. The american iron and steel institute aisi originally started a very similar system. These efforts were similar and overlapped significantly. The aisi sae grades of tool steel is the most common scale used to identify various grades of tool steel.

They exhibit good hardness abrasion resistance and deformation resistance. Note that materials compared are the nearest available grade and may have slight variations in actual chemistry. Type 304l same as the 304 grade but lower carbon content to increase weldability. The last two digits indicates that the steel contains approximately 0 20 percent carbon.

If you are interested in the past and current steel trade volumes in various steel products around the globe this section is just for you. Individual alloys within a grade are given a number.