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ASTM specifications represent a consensus among producers, specifiers, fabricators, and users of steel mill products. ASTM’s designation system for metals consists of a letter (A for ferrous materials) followed by an arbitrary sequentially assigned number. These designations often apply to specific products, for example A548 is applicable to cold-heading quality carbon steel wire for tapping or sheet metal screws.
This article contains a list of standards that gives specific details of the testing and determination of materials through clearly defined methodology. Key tests include physical, chemical and mechanical property testing for numerous different materials.
For more information on the ASTM designation system see our related article:
Introduction to the ASTM Standard Designation.
| Standard Number | Last version | Description | Status |
| A 33 | Methods of Chemical Analysis of Plain Carbon Steel | Replaced by E30 | |
| A 34/A 34M | 2006 | Standard Practice for Sampling and Procurement Testing of Magnetic Materials | |
| A 55 | Methods of Chemical Analysis of Alloy Steels | ||
| A 64 | Methods for Chemical Analysis of Steel, Cast Iron, Open-Hearth Iron, and Wrought Iron | Replaced by E 30 | |
| A 90/A 90M | 2009 | Standard Test Method for Weight [Mass] of Coating on Iron and Steel Articles with Zinc or Zinc-Alloy Coatings | |
| A 91 | Methods of Determining Weight of Casting on Tin, Terne, and Lead-Coated Sheets | Withdrawn 1940 | |
| A 110 | Test Method for Weight of Coating on Zinc-Coated (Galvanized) Iron or Steel Articles | Replaced by A90/A90M | |
| A 124 | Arbitration Test Bar and Tension Test Specimen for Cast Iron | Withdrawn 1940 | |
| A 130 | Methods for Chemical Analysis of Steel Cast Iron, Open-Hearth Iron, and Wrought Iron | Withdrawn 1930 | |
| A 191 | Test Method for Uniformity of CoatIng by the Preece Test (Copper Sulfate Dip) on Zinc-Coated (Galvanized) Iron or Steel Articles | Replaced by A239 | |
| A 219 | Methods of Test for Local Thickness of Electrodeposited Coatings | Replaced by B 244 | |
| A 224 | Recommended Practice for Conducting Plant Corrosion Tests | Replaced by G 4 | |
| A 247 | 2006 | Standard Test Method for Evaluating the Microstructure of Graphite in Iron Castings | |
| A 255 | 2007 | Standard Test Methods for Determining Hardenability of Steel | |
| A 256 | Method of Compression Testing of Cast Iron | Withdrawn 1990 | |
| A 257 | Methods of Permeability and Core Loss of Flat-Rolled Magnetic Materials using 28 cm Specimen [Replaced by A 34] | Replaced by A 34 | |
| A 258 | Methods of Testing Magnetic Materials | Replaced by A 34/A 34M | |
| A 259 | Methods of Testing Magnetic Materials | ||
| A 260 | Recommended Practice for Torsion Tests of Cast Iron | ||
| A 262 | 2008 | Standard Practices for Detecting Susceptibility to Intergranular Attack in Austenitic Stainless Steels | |
| A 272 | Method of Magnetic Particle Testing and Inspection of Commercial Steel Castings | Replaced by E 109 | |
| A 275/A 275M | 2008 | Standard Test Method for Magnetic Particle Examination of Steel Forgings | |
| A 279 | Method of Total Immersion Corrosion Test of Stainless Steels | Replaced by G 31 | |
| A 309 | Standard Test Method for Weight and Composition of Coating on Terne Sheet by the Triple-Spot Test | ||
| A 317 | Method of Macroetch Testing and Inspection of Steel Forgings | Replaced by E 381 | |
| A 318 | Method of Tension Testing and Inspection of Steel Spring Wire | Replaced by A 370 | |
| A 327 | Standard Test Methods for Impact Testing of Cast Irons | ||
| A 327M | Standard Test Methods for Impact Testing of Cast Irons (Metric) | ||
| A 330 | Methods and Definition for Mechanical Testing of Steel Products | Replaced by A 370 | |
| A 340 | 2003 | Standard Terminology of Symbols and Definitions Relating to Magnetic Testing | |
| A 341/A 341M | 2005 | Standard Test Method for Direct Current Magnetic Properties of Materials Using D-C Permeameters and the Ballistic Test Methods | |
| A 342/A 342M | 2004 | Standard Test Methods for Permeability of Feebly Magnetic Materials | |
| A 343/A 343M | 2008 | Standard Test Method for Alternating-Current Magnetic Properties of Materials at Power Frequencies Using Wattmeter-Ammeter-Voltmeter Method and 25-cm Epstein Test Frame | |
| A 344 | Methods of Electrical and Mechanical Properties of Magnetic Materials | Replaced by A370 | |
| A 346 | Standard Test Method for Alternating-Current Magnetic Performance of Laminated Core Specimens Using the Dieterly Bridge Method | Withdrawn 1998 | |
| A 348/A 348M | 2005 | Standard Test Method for Alternating Current Magnetic Properties of Materials Using the Wattmeter-Ammeter-Voltmeter Method, 100 to 10 000 Hz and 25-cm Epstein Frame | |
| A 349 | Test Methods for Alternating-Current Magnetic Properties of Materials Using the Wattmeter-Ammeter-Voltmeter Method, 50 to 60 Hz and 50 cm Epstein Frame | Withdrawn 1984 | |
| A 359 | Methods and Definitions for Mechanical Testing of Structural Steel | Replaced by A 370 | |
| A 360 | Method of Testing Chilled and White Iron Castings | Withdrawn 1993 | |
| A 360M | Method of Testing Chilled and White Iron Castings [Metric] | Withdrawn 1993 | |
| A 367 | 2005 | Standard Test Methods of Chill Testing of Cast Iron | |
| A 370 | 2009 | Standard Test Methods and Definitions for Mechanical Testing of Steel Products | |
| A 388/A 388M | 2009 | Standard Practice for Ultrasonic Examination of Heavy Steel Forgings | |
| A 393 | Recommended Practice for Conducting Acidified Copper Sulfate Test for Intergranular Attack in Austenitic Stainless Steel | Replaced by A 262 | |
| A 418/A 418M | 2009 | Standard Test Method for Ultrasonic Examination of Turbine and Generator Steel Rotor Forgings | |
| A 428/A 428M | 2006 | Standard Test Method for Weight [Mass] of Coating on Aluminum-Coated Iron or Steel Articles | |
| A 435/A 435M | 2007 | Straight-Beam Ultrasonic Examination of Steel Plates | |
| A 438 | 1997 | Standard Test Method for Transverse Testing of Gray Cast Iron | Withdrawn 2003 |
| A 443 | Method of Notch Toughness of Turbine and Generator Steel Forgings | Replaced by A 370 | |
| A 472/A 472M | 2007 | Standard Test Method for Heat Stability of Steam Turbine Shafts and Rotor Forgings | |
| A 503/A 503M | 2006 | Ultrasonic Examination of Forged Crankshafts | |
| A 531/A 531M | 2006 | Standard Practice for Ultrasonic Examination of Turbine-Generator Steel Retaining Rings | |
| A 561 | 2008 | Standard Practice for Macrotech Testing of Tool Steel Bars | |
| A 566 | Test Method for Alternating-Current Magnetic Properties of Materials Using the Alternating Current Potentiometer and 25-cm Epstein framemed | Withdrawn 1984 | |
| A 577/A 577M | 2007 | Ultrasonic Angle-Beam Examination of Steel Plates | |
| A 578/A 578M | 2007 | Straight-Beam Ultrasonic Examination of Plain and Clad Steel Plates for Special Applications | |
| A 593 | Charpy V-nNtch Testing Requirements for Steel Plates for Pressure Vessel | Withdrawn 1976 | |
| A 596/A 596M | 2004 | Standard Test Method for Direct-Current Magnetic Properties of Materials Using the Ballistic Method and Ring Specimens | |
| A 598/A 598M | 2007 | Standard Test Method for Magnetic Properties of Magnetic Amplifier Cores | |
| A 604/A 604M | 2007 | Standard Test Method for Macroetch Testing of Consumable Electrode Remelted Steel Bars and Billets | |
| A 609/A 609M | 2007 | Standard Practice for Castings, Carbon, Low-Alloy, and Martensitic Stainless Steel, Ultrasonic Examination Thereof | |
| A 610 | 2004 | Standard Test Methods for Sampling and Testing Ferroalloys for Determination of Size | |
| A 627 | 2003 | Standard Test Methods for Tool-Resisting Steel Bars, Flats, and Shapes for Detention and Correctional Facilities | |
| A 630 | 2009 | Standard Test Methods for Determination of Tin Coating Weights for Electrolytic Tin Plate | |
| A 673/A 673M | 2007 | Sampling Procedure for Impact Testing of Structural Steel | |
| A 697/A 697M | 2008 | Standard Test Method for Alternating Current Magnetic Properties of Laminated Core Specimen Using Voltmeter-Ammeter-Wattmeter Methods | |
| A 698/A 698M | 2007 | Standard Test Method for Magnetic Shield Efficiency in Attenuating Alternating Magnetic Fields | |
| A 720/A 720M | 2007 | Standard Test Method for Ductility of Nonoriented Electrical Steel | |
| A 721/A 721M | 2007 | Standard Test Method for Ductility of Oriented Electrical Steel | |
| A 745/A 745M | 2009 | Standard Practice for Ultrasonic Examination of Austenitic Steel Forgings | |
| A 751 | 2008 | Standard Test Methods, Practices, and Terminology for Chemical Analysis of Steel Products | |
| A 754/A 754M | 2008 | Standard Test Method for Coating Weight (Mass) of Metallic Coatings on Steel by X-Ray Fluorescence | |
| A 763 | 2004 | Standard Practices for Detecting Susceptibility to Intergranular Attack in Ferritic Stainless Steels | |
| A 770/A 770M | 2007 | Through-Thickness Tension Testing of Steel Plates for Special Applications | |
| A 772/A 772M | 2005 | Standard Test Method for ac Magnetic Permeability of Materials Using Sinusoidal Current | |
| A 773/A 773M | 2009 | Standard Test Method for dc Magnetic Properties of Materials Using Ring and Permeameter Procedures with dc Electronic Hysteresigraphs | |
| A 804/A 804M | 2004 | Standard Test Methods for Alternating-Current Magnetic Properties of Materials at Power Frequencies Using Sheet-Type Test Specimens | |
| A 833 | 2008 | Standard Practice for Indentation Hardness of Metallic Materials by Comparison Hardness Testers | |
| A 880 | 1995 | Standard Practice for Criteria for Use in Evaluation of Testing Laboratories and Organizations for Examination and Inspection of Steel, Stainless Steel, and Related Alloys | Withdrawn 2004 |
| A 883/A 883M | 2001 | Standard Test Method for Ferrimagnetic Resonance Linewidth and Gyromagnetic Ratio of Nonmetallic Magnetic Materials | Withdrawn 2006 |
| A 889/A 889M | 2008 | Standard Test Method for Alternating-Current Magnetic Properties of Materials at Low Inductions Using the Wattmeter-Varmeter-Ammeter-Voltmeter Method and 25-cm (250-mm) Epstein Frame | |
| A 893/A 893M | 2008 | Standard Test Method for Complex Dielectric Constant of Nonmetallic Magnetic Materials at Microwave Frequencies | |
| A 894/A 894M | 2005 | Standard Test Method for Saturation Magnetization or Induction of Nonmetallic Magnetic Materials | |
| A 898/A 898M | 2007 | Straight Beam Ultrasonic Examination of Rolled Steel Structural Shapes | |
| A 900 | 1996 | Standard Test Method for Lamination Factor of Amorphous Magnetic Strip | |
| A 900/A 900M | 2006 | Standard Test Method for Lamination Factor of Amorphous Magnetic Strip | |
| A 912/A 912M | 2004 | Standard Test Method for Alternating-Current Magnetic Properties of Amorphous Materials at Power Frequencies Using Wattmeter-Ammeter-Voltmeter Method with Toroidal Specimens | |
| A 923 | 2008 | Standard Test Methods for Detecting Detrimental Intermetallic Phase in Duplex Austenitic/Ferritic Stainless Steels | |
| A 926 | 2008 | Standard Test Method for Comparing the Abrasion Resistance of Coating Materials for Corrugated Metal Pipe | |
| A 927/A 927M | 2004 | Standard Test Method for Alternating-Current Magnetic Properties of Toroidal Core Specimens Using the Voltmeter-Ammeter-Wattmeter Method | |
| A 931 | 2008 | Standard Test Method for Tension Testing of Wire Ropes and Strand | |
| A 932/A 932M | 2006 | Standard Test Method for Alternating-Current Magnetic Properties of Amorphous Materials at Power Frequencies Using Wattmeter-Ammeter-Voltmeter Method with Sheet Specimens | |
| A 937/A 937M | 2006 | Standard Test Method for Determining Interlaminar Resistance of Insulating Coatings Using Two Adjacent Test Surfaces | |
| A 938 | 2007 | Standard Test Method for Torsion Testing of Wire | |
| A 939 | 2007 | Standard Test Method for Ultrasonic Examination from Bored Surfaces of Cylindrical Forgings | |
| A 966/A 966M | 2008 | Standard Test Method for Magnetic Particle Examination of Steel Forgings Using Alternating Current | |
| A 977/A 977M | 2007 | Standard Test Method for Magnetic Properties of High-Coercivity Permanent Magnet Materials Using Hysteresigraphs | |
| A 981 | 2007 | Standard Test Method for Evaluating Bond Strength for 15.2 mm (0.6 in.) Diameter Prestressing Steel Strand, Grade 270, Uncoated, Used in Prestressed Ground Anchors | |
| A 987 | 2009 | Standard Test Method for Measuring Shape Characteristics of Tin Mill Products | |
| A 993 | 1998 | Standard Test Method for Dynamic Tear Testing of Cast Irons to Establish Transition Temperature | Withdrawn 2004 |