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Full Description

1.1 These test methods2 cover procedures and definitions for the mechanical testing of steels, stainless steels, 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.

1.2 The following mechanical tests are described:

 

Sections

               Tension

6 to 14

               Bend

15

               Hardness

16

                    Brinell

17

                    Rockwell

18

                    Portable

19

               Impact

20 to 30

               Keywords

32

1.3 Annexes covering details peculiar to certain products are appended to these test methods as follows:

 

Annex

     Bar Products

Annex A1

     Tubular Products

Annex A2

     Fasteners

Annex A3

     Round Wire Products

Annex A4

     Significance of Notched-Bar Impact Testing

Annex A5

     Converting Percentage Elongation of Round Specimens to
          Equivalents for Flat Specimens

Annex A6

     Testing Multi-Wire Strand

Annex A7

     Rounding of Test Data

Annex A8

     Methods for Testing Steel Reinforcing Bars

Annex A9

     Procedure for Use and Control of Heat-Cycle Simulation

Annex A10

1.4 The values stated in inch-pound units are to be regarded as the standard.

1.5 When this document is referenced in a metric product specification, the yield and tensile values may be determined in inch-pound (ksi) units then converted into SI (MPa) units. The elongation determined in inch-pound gauge lengths of 2 or 8 in. may be reported in SI unit gauge lengths of 50 or 200 mm, respectively, as applicable. Conversely, when this document is referenced in an inch-pound product specification, the yield and tensile values may be determined in SI units then converted into inch-pound units. The elongation determined in SI unit gauge lengths of 50 or 200 mm may be reported in inch-pound gauge lengths of 2 or 8 in., respectively, as applicable.

1.5.1 The specimen used to determine the original units must conform to the applicable tolerances of the original unit system given in the dimension table not that of the converted tolerance dimensions.

Note 1: This is due to the specimen SI dimensions and tolerances being hard conversions when this is not a dual standard. The user is directed to Test Methods A1058 if the tests are required in SI units.

1.6 Attention is directed to ISO/IEC 17025 when there may be a need for information on criteria for evaluation of testing laboratories.

1.7 This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibility of the user of this standard to establish appropriate safety, health, and environmental practices and determine the applicability of regulatory limitations prior to use.

1.8 This international standard was developed in accordance with internationally recognized principles on standardization established in the Decision on Principles for the Development of International Standards, Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade (TBT) Committee.

 

Document History

  1. ASTM A370-19e1

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    Standard Test Methods and Definitions for Mechanical Testing of Steel Products

    • Most Recent
  2. ASTM A370-19


    Standard Test Methods and Definitions for Mechanical Testing of Steel Products

    • Historical Version
  3. ASTM A370-18


    Standard Test Methods and Definitions for Mechanical Testing of Steel Products

    • Historical Version
  4. ASTM A370-17a


    Standard Test Methods and Definitions for Mechanical Testing of Steel Products

    • Historical Version
  5. ASTM A370-17


    Standard Test Methods and Definitions for Mechanical Testing of Steel Products

    • Historical Version
  6. ASTM A370-16


    Standard Test Methods and Definitions for Mechanical Testing of Steel Products

    • Historical Version
  7. ASTM A370-15


    Standard Test Methods and Definitions for Mechanical Testing of Steel Products

    • Historical Version
  8. ASTM A370-14


    Standard Test Methods and Definitions for Mechanical Testing of Steel Products

    • Historical Version
  9. ASTM A370-13


    Standard Test Methods and Definitions for Mechanical Testing of Steel Products

    • Historical Version
  10. ASTM A370-12a


    Standard Test Methods and Definitions for Mechanical Testing of Steel Products

    • Historical Version
  11. ASTM A370-12


    Standard Test Methods and Definitions for Mechanical Testing of Steel Products

    • Historical Version
  12. ASTM A370-11a


    Standard Test Methods and Definitions for Mechanical Testing of Steel Products

    • Historical Version
  13. ASTM A370-11


    Standard Test Methods and Definitions for Mechanical Testing of Steel Products

    • Historical Version
  14. ASTM A370-10


    Standard Test Methods and Definitions for Mechanical Testing of Steel Products

    • Historical Version
  15. ASTM A370-09a


    Standard Test Methods and Definitions for Mechanical Testing of Steel Products

    • Historical Version
  16. ASTM A370-09ae1


    Standard Test Methods and Definitions for Mechanical Testing of Steel Products

    • Historical Version
  17. ASTM A370-09


    Standard Test Methods and Definitions for Mechanical Testing of Steel Products

    • Historical Version
  18. ASTM A370-08b


    Standard Test Methods and Definitions for Mechanical Testing of Steel Products

    • Historical Version
  19. ASTM A370-08a


    Standard Test Methods and Definitions for Mechanical Testing of Steel Products

    • Historical Version
  20. ASTM A370-08


    Standard Test Methods and Definitions for Mechanical Testing of Steel Products

    • Historical Version
  21. ASTM A370-07b


    Standard Test Methods and Definitions for Mechanical Testing of Steel Products

    • Historical Version
  22. ASTM A370-07a


    Standard Test Methods and Definitions for Mechanical Testing of Steel Products

    • Historical Version
  23. ASTM A370-07


    Standard Test Methods and Definitions for Mechanical Testing of Steel Products

    • Historical Version
  24. ASTM A370-06


    Standard Test Methods and Definitions for Mechanical Testing of Steel Products

    • Historical Version
  25. ASTM A370-05


    Standard Test Methods and Definitions for Mechanical Testing of Steel Products

    • Historical Version
  26. ASTM A370-03


    Standard Test Methods and Definitions for Mechanical Testing of Steel Products

    • Historical Version
  27. ASTM A370-03a


    Standard Test Methods and Definitions for Mechanical Testing of Steel Products

    • Historical Version
  28. ASTM A370-02e1


    Standard Test Methods and Definitions for Mechanical Testing of Steel Products

    • Historical Version
  29. ASTM A370-02


    Standard Test Methods and Definitions for Mechanical Testing of Steel Products

    • Historical Version
  30. ASTM A370-01


    Standard Test Methods and Definitions for Mechanical Testing of Steel Products

    • Historical Version
  31. ASTM A370-97a


    Standard Test Methods and Definitions for Mechanical Testing of Steel Products

    • Historical Version
  32. ASTM A370-94


    Standard Test Methods and Definitions for Mechanical Testing of Steel Products

    • Historical Version
  33. ASTM A370-68


    Standard Methods And Definitions For Mechanical Testing Of Steel Products

    • Historical Version