DIN EN 10213/4-1996 Steel Grades for Austenitic and Austenitic-Ferritic (Duplex) Steel
DIN EN 10213/4-1996 is a standard steel grade system for austenitic and austenitic-ferritic (duplex) steels. It is used for the steel forming process in order to give a uniform finish and improved physical properties.
DIN EN 10213/4-1996 covers steels with the following grades:
• Austenitic Stainless Steels: AISI 304, AISI 316, AISI 321, AISI 347, AISI 410, AISI 420, AISI 431, AISI 904L, AISI 17-4 PH, AISI 630
• Austenitic-Ferritic Stainless Steels (Duplex): AISI 329J3L, AISI 439L, AISI 446, AISI 926, AISI 2205, AISI 224L, AISI 330, AISI 632
The characteristics of these steels are determined by their chemical composition and physical properties, such as yield strength and ultimate tensile strength.
Austenitic stainless steels are highly corrosion-resistant and have a range of solderable, high temperature-resistant and machinable properties. They are also known to be weldable and cold-formable and are often used for pressure-containing equipment and other general applications.
Austenitic-ferritic stainless steels (duplex) have higher yield and ultimate tensile strengths than austenitic stainless steels, making them a popular choice for structural and engineering applications such as structural steel frames. Duplex steels are also often used for pressure-containing and -storing equipment in highly corrosive environments.
DIN EN 10213/4-1996 specifies the relevant production and testing of the designated steels and their characteristics. For example, it details the allowable limits for various elements, the required hardness and mechanical properties, the allowable limits for sulfur and oxygen, the minimum strength levels and other physical properties. It also provides details of the homogeneity of the materials, the chemical composition and the hot and cold forming.
In addition to these designations, DIN EN 10213/4-1996 also defines a system of steel grades for other steels, including carbon and alloy steels, as well as non-stainless steels like tool steels, heat-resistant steels and high-speed steels. It also covers certain plain, unalloyed steels that are intended for use in construction. DIN EN 10213/4-1996 also provides details of heat treatment, chemical composition and mechanical testing, as well as information on product specification and marking.
DIN EN 10213/4-1996 is an essential reference document for all those involved in the production and manufacture of steels. It provides an indispensable reference for those involved in the design and manufacture of components, parts and products made from these steels.
