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This SAE Recommended Practice defines and establishes mechanical property ranges for seven grades of continuously cast high strength automotive sheet steels that can be formed, welded, assembled, and painted in automotive manufacturing processes. The grade of steel specified for an identified part should be based on part requirements (configuration and strength) as well as formability. Material selection should also take into consideration the amount of strain induced by forming and the impact strain has on the strength achieved in the finished part. These steels can be specified as hot-rolled sheet, cold-reduced sheet, uncoated, or coated by hot dipping, electroplating, or vapor deposition of zinc, aluminum, and organic compounds normally applied by coil coating. The grades and strength levels are achieved through chemical composition and special processing. Not all combinations of strength and coating types may be commercially available. Consult your steel supplier for details.

This SAE Recommended Practice outlines a procedure for selecting the proper specification for carbon steel sheet and strip which are purchased to make an identified part. Specifications considered are: It also describes how codes or symbols for specifying certain characteristics may be used in electronic data processing systems. Characteristics covered are: (A) Hot or cold rolled. (B) Sheet or strip. (C) Severity of draw (quality of steel). (D) Surface condition (finish, etc.). (E) Edge condition. (F) Dimensions. It is intended that other characteristics and part identification be covered by a supplement to the specification, as necessary.

This SAE Recommended Practice outlines a procedure for selecting the proper specification for carbon steel sheet and strip which are purchased to make an identified part. Specifications considered are: It also describes how codes or symbols for specifying certain characteristics may be used in electronic data processing systems. Characteristics covered are: (A) Hot or cold rolled. (B) Sheet or strip. (C) Severity of draw (quality of steel). (D) Surface condition (finish, etc.). (E) Edge condition. (F) Dimensions. It is intended that other characteristics and part identification be covered by a supplement to the specification, as necessary.

This SAE Recommended Practice outlines a procedure for selecting the proper specification for carbon steel sheet and strip which are purchased to make an identified part. Specifications considered are: It also describes how codes or symbols for specifying certain characteristics may be used in electronic data processing systems. Characteristics covered are: a Hot or cold rolled. b Sheet or strip. c Severity of draw (quality of steel). d Surface condition (finish, etc.). e Edge condition. f Dimensions. It is intended that other characteristics and part identification be covered by a supplement to the specification, as necessary.

Zinc and zinc-alloy coated steel is used to enhance a structure’s protection against corrosion degradation. For the purpose of this SAE Recommended Practice, a galvanized coating is defined as a zinc or zinc-alloy metallic coating. The selection of the optimum galvanized steel sheet product depends on many factors, the most important being: desired corrosion protection, formability, weldability, surface characteristics, and paintability. The trade-offs of these product characteristics are more complex than is the case with uncoated steel sheet products.

Zinc and zinc-alloy coated steel is used to enhance a structure’s protection against corrosion degradation. For the purpose of this SAE Recommended Practice, a galvanized coating is defined as a zinc or zinc-alloy metallic coating. The selection of the optimum galvanized steel sheet product depends on many factors, the most important being: desired corrosion protection, formability, weldability, surface characteristics, and paintability. The trade-offs of these product characteristics are more complex than is the case with uncoated steel sheet products.

This SAE Recommended Practice covers seven levels of high strength carbon and low-alloy hot rolled sheet and strip, cold rolled sheet, and coated sheet steels. The strength is achieved through chemical composition and special processing.