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The SAE system uses a basic four-digit system to designate the chemical composition of carbon and alloy steels. The first digit (1), of this designation indicates a carbon steel; i.e., carbon steels comprise 1xxx groups in the SAE-AISI system and are subdivided into four categories due to the variance in certain fundamental properties among them.
For many years, certain grades of carbon and alloy steels have been designated by a four-digit AISE/SAE numerical index system that identified the grades according to standard chemical compositions. Since the American Iron and Steel Institute (AISI) ceased writing material specifications, the relationship between AISI and grade designations has been discontinued. 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.
The following article gives information on lists of standards relating to the following material categories:
For more information on the AISI-SAE designation system see our related article: Introduction to the AISI-SAE Designation System.
The list of standards below covers a wide range of materials and applications a few of which are:
| Standard Number | Last version | Description | Status |
| A 1008/A 1008M | 2009 | Steel, Sheet, Cold-Rolled, Carbon, Structural, High-Strength Low-Alloy, High-Strength Low-Alloy with Improved Formability, Solution Hardened, and Bake Hardenable | |
| A 1011/A 1011M | 2009 | Steel, Sheet and Strip, Hot-Rolled, Carbon, Structural, High-Strength Low-Alloy, High-Strength Low-Alloy with Improved Formability, and Ultra-High Strength | |
| A 1018/A 1018M | 2008 | Steel, Sheet and Strip, Heavy-Thickness Coils, Hot-Rolled, Carbon, Commercial, Drawing, Structural, High-Strength Low-Alloy, High-Strength Low-Alloy with Improved Formability, and Ultra-High Strength Steel | |
| A 1020/A 1020M | 2007 | Steel Tubes, Carbon and Carbon Manganese, Fusion Welded, for Boiler, Superheater, Heat Exchanger and Condenser Applications | |
| A 1031 | 2005 | Steel, Sheet and Strip, Heavy-Thickness Coils, Alloy, Drawing Steel and Structural Steel, Hot-Rolled | |
| A 1043/A 1043M | 2005 | Structural Steel with Low Yield to Tensile Ratio for Use in Buildings | |
| A 108 | 2007 | Steel Bar, Carbon and Alloy, Cold-Finished | |
| A 109/A 109M | 2008 | Steel, Strip, Carbon (0.25 Maximum Percent), Cold-Rolled | |
| A 131/A 131M | 2008 | Structural Steel for Ships | |
| A 21 | 2003 | Carbon Steel Axles, Non-Heat-Treated and Heat-Treated, for Railway Use | |
| A 242/A 242M | High-Strength Low-Alloy Structural Steel | ||
| A 285/A 285M | 2007 | Pressure Vessel Plates, Carbon Steel, Low- and Intermediate-Tensile Strength | |
| A 308/A 308M | 2006 | Steel Sheet, Terne (Lead-Tin Alloy) Coated by the Hot-Dip Process | |
| A 311/A 311M | 2004 | Cold-Drawn, Stress-Relieved Carbon Steel Bars Subject to Mechanical Property Requirements |
| Standard Number | Last version | Description | Status |
| A 1028 | 2009 | Stainless Steel Bars for Compressor and Turbine Airfoils | |
| A 167 | 2009 | Stainless and Heat-Resisting Chromium-Nickel Steel Plate, Sheet, and Strip | |
| A 176 | 2009 | Stainless and Heat-Resisting Chromium Steel Plate, Sheet, and Strip | |
| A 177 | 1989 | High-Strength Stainless and Chromium-Nickel Steel Sheet and Strip | |
| A 213/A 213M | 2009 | Seamless Ferritic and Austenitic Alloy-Steel Boiler, Superheater, and Heat-Exchanger Tubes | |
| A 263 | 2009 | Stainless Chromium Steel-Clad Plate | |
| A 264 | 2009 | Stainless Chromium-Nickel Steel-Clad Plate | |
| A 268/A 268M | 2005 | Seamless and Welded Ferritic and Martensitic Stainless Steel Tubing for General Service | |
| A 269 | 2008 | Seamless and Welded Austenitic Stainless Steel Tubing for General Service |
| Standard Number | Last version | Description | Status |
| A 128/A 128M | 2007 | Steel Castings, Austenitic Manganese | |
| A 148/A 148M | 2008 | Steel Castings, High Strength, for Structural Purposes | |
| A 216/A 216M | 2008 | Steel Castings, Carbon, Suitable for Fusion Welding, for High-Temperature Service | |
| A 297/A 297M | 2008 | Steel Castings, Iron-Chromium and Iron-Chromium-Nickel, Heat Resistant, for General Application | |
| A 352/A 352M | 2006 | Steel Castings, Ferritic and Martensitic, for Pressure-Containing Parts, Suitable for Low-Temperature Service | |
| A 353/A 353M | 2009 | Pressure Vessel Plates, Alloy Steel, 9 Percent Nickel, Double-Normalized and Tempered |
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