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25 Aug Commonwealth Drive, Warrendale, PA SURFACE VEHICLE STANDARDSTA NDARD J REV. DEC83 1 Dec Buy SAE J Hardness Tests And Hardness Number Conversions from SAI Global. SAE J Hardness Tests And Hardness Number Conversions. Be notified when this Standard is updated or amended – Add to StandardsWatch. General.

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Standardization of Rockwell Hardness Test Blocks.

Cart products product empty. However, sae j417 of the historical precedent and sae j417 common usage, force values in kgf units and ball diameters in inch units are provided for information and much of the discussion in this standard refers to these units. The significant differences between the two tests sae j417 that the test forces are smaller for the Rockwell superficial test than for the Rockwell test.

All numbers in these tables given in bold face type were j4177 jointly by the American Society for Testing and Materials, the American Society for Metals, and SAE from carefully checked data.

This standard sae j417 the requirements for Rockwell hardness machines and the procedures for performing Rockwell hardness tests. Historical Version s – view previous sae j417 of standard. Accordingly, throughout this standard, the term Rockwell will imply both Rockwell and Rockwell superficial unless stated otherwise. It is impossible to give exact relationships because of the inevitable influence of size, mass, composition, and method of heat treatment.


The tables in this sae j417 give the approximate relationship of Vickers Brinell, Rockwell, and Scleroscope hardness values and corresponding approximate tensile strengths of steels.

Verification of Rockwell Hardness Testing Machines. Standardization of Rockwell Indenters.

Strength and Ductility of Damaged Tempcore Rebars – ScienceDirect

Specials NAS Rev. Where more precise conversions are required, they should be developed specially for sae j417 steel composition, heat treatment, and part. The accompanying conversion tables for steel hardness numbers are based on extensive tests on carbon and alloy steels, mostly in the heat treated condition, but have been found to be reliable on practically all constructional alloy steels and tool steels in the as-forged, annealed, normalized, and quenched sae j417 tempered conditions, provided they are homogeneous.

This report lists approximate hardness conversion values; test methods u417 Vickers Hardness, Brinell Hardness, Rockwell Hardness Rockwell Superficial Hardness, Sae j417 Hardness; and information regarding surface preparation, n417 thickness, effect of curved surfaces, and recommendations for Rockwell sae j417 hardness testing for case hardened parts. Rockwell Hardness Standardizing Machines. Currency Dollar Euro J4117.


It is the responsibility of the user of this standard to establish appropriate safety and health practices and determine the applicability of regulatory limitations prior to use. Welcome, Log in Your Account Cart: This information sae j417 correlate to tensile strength, wear resistance, ductility, and other physical characteristics of metallic materials, sae j417 may be useful in quality control and selection of materials.

Link to Active This link will always route to the current Active version of the standard. The same type and size indenters may be used for either test, depending on the scale being employed. Work Item s sae j417 proposed revisions of this standard.

New products AWS C1. This standard specifies sae j417 units of force and length in sa International System of Units SI ; that is, force in Newtons N and length in millimeters mm. Referenced Documents purchase separately The documents listed sae j417 are referenced within the subject standard but are not provided as part of the standard.