ASTM A370 Test Method and Definition for Mechanical Testing
ASTM A370 Test Methods and Definitions for Mechanical Testing of Steel Products. The temperature range of the transition from one type of behavior to the other varies according to the material being tested. This transition behavior may be defined in various ways for specification purposes.
The specification may require a minimum test result for absorbed energy, fracture appearance, lateral expansion, or a combination thereof, at a specified test temperature.
The specification may require the determination of the transition temperature at which either the absorbed energy or fracture appearance attains a specified level when testing is performed over a range of temperatures. Alternatively the specification may require the determination of the fracture appearance transition temperature (FATT) as the temperature at which the required minimum percentage of shear fracture (n) is obtained.
Further information on the significance of impact testing appears in Annex A5.
These test methods cover procedures and definitions for the mechanical testing of steels, stainless steel, and related alloys. The various mechanical tests herein described are used to determine properties required in the product specifications. Variations in testing methods are to be avoided, and standard methods of testing are to be followed to obtain reproducible and comparable results. In those cases in which the testing requirements for certain products are unique or at variance with these general procedures, the product specification testing requirements shall control.
Referenced Documents
ISO Standard
ISO/IEC17025 General Requirements for the Competence of Testing and Calibration Laboratories
ASME Document
ASTM Standards
ASTM A623 Specification for Tin Mill Products, General Requirements
ASTM A623M Specification for Tin Mill Products, General Requirements [Metric]
ASTM A703/A703M Specification for Steel Castings, General Requirements, for Pressure-Containing Parts
ASTM A781/A781M Specification for Castings, Steel and Alloy, Common Requirements, for General Industrial Use
ASTM A833 Practice for Indentation Hardness of Metallic Materials by Comparison Hardness Testers
ASTM E4 Practices for Force Verification of Testing Machines
ASTM E6 Terminology Relating to Methods of Mechanical Testing
ASTM E8/E8M Test Methods for Tension Testing of Metallic Materials
ASTM E10 Test Method for Brinell Hardness of Metallic Materials
ASTM E18 Test Methods for Rockwell Hardness of Metallic Materials
ASTM E23 Test Methods for Notched Bar Impact Testing of Metallic Materials
ASTM E29 Practice for Using Significant Digits in Test Data to Determine Conformance with Specifications
ASTM E83 Practice for Verification and Classification of Extensometer Systems
ASTM E110 Test Method for Indentation Hardness of Metallic Materials by Portable Hardness Testers
ASTM E190 Test Method for Guided Bend Test for Ductility of Welds
ASTM E290 Test Methods for Bend Testing of Material for Ductility
 ASTM A370 - 17 Standard Test Methods and Definitions for Mechanical Testing of Steel Products
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