Astm e10 18 standard test method for brinell hardness of. Jul 29, 2019 astm e10 brinell pdf astm e brinell hardness test. Hardness conversion table brinell hardness hb 10300015 rockwell hardness superficial hardness approx tensile dia mm hb a 60kg b 100kg c 150kg 15t 15kg 30t 30kg 45t 45kg ksi 2. The brinell test is an indentation hardness test consisting of two steps.
F test force in kgf, d diameter of the indenter ball in mm, and d measured mean diameter of the indentation in mm. Astm e10 standard test method for brinell hardness of. Astm e10 18 standard test method for brinell hardness of metallic materials. Mar 10, 2019 astm e10 brinell pdf astm e brinell hardness test. Mar 21, 2020 astm e10 brinell pdf astm e brinell hardness test. Astm e10 07 standard test method for brinell hardness of. Astm e10 brinell testing is among the most common processes we perform on a routine basis. The brinell hardness test is the oldest method of hardness testing commonly used today. The test force held for the specified time and then withdrawn. E1018 standard test method for brinell hardness of metallic materials. In former standards hb or hbs were used to refer to measurements made with steel indenters. E10 test method for brinell hardness of metallic materials e18 test methods for rockwell hardness of metallic materials.
This standard provides the requirements for a brinell testing machine and the procedures for performing brinell hardness tests. Active standard astm e10 developed by subcommittee. Each standardized brinell hardness test block is supplied with a traceable isoiec 17025 accredited certificate and meets the requirements of astm e10. Astm e110 14 standard test method for rockwell and. The above table is from astm e110 except values for escale and tensile strength which are not from or according to astm. Using astm e10 as our accredited test specification, brinell testing is a method of hardness testing using a tungsten carbide ball as the indenter. All bsi british standards available online in electronic and print formats. Standard test method for brinell hardness of metallic. Astme10 standard test method for brinell hardness of.
Purchase your copy of astm e10 18 as a pdf download or hard copy directly from the official bsi shop. Astm e10 18 standard test method for brinell hardness. Astm e10 is a method of determining hardness by pushing a ball into the surface of a metal and brinfll measuring the diameter of the indent left by the ball. Jul 03, 2019 astm e10 brinell pdf astm e brinell hardness test. Hardness values in brackets are outside the range recommended for brinell testing in astm e10. A brinell hardness result measures the permanent width of indentation produced by a carbide indenter applied to a test. Among brinell hardness, vickers hardness, rockwell hardness, super. Although the portable hardness testers are designed to employ the same test conditions as those defined in the standard test methods, the forces applied by the portable rockwell and brinell testers and the depth measuring systems of the portable rockwell testers may not meet the. A chart is then used to convert the averaged diameter measurement to a brinell hardness number. Astm e10 08 standard test method for brinell hardness of. Rockwell hardness test methods are standardized in astm e1820. The brinell hardness value is computed from the mean of the diameter measurements by the use of a mathematical formula designed for this purpose, or more frequently from a chart based on the formula. This document provides guidance for rockwell hardness machines and the procedures for performing rockwell hardness tests of metallic materials, detailing the necessary principles, procedures.
Portable electronic microscope reader for brinell hardness. Astm e1018 standard test method for brinell hardness of. Astm e1017 standard test method for brinell hardness of metallic materials tests the indentation of metal under force. Standard test method for brinell hardness of metallic materials1.
Halliwick method pdf advanced plastic and material testing, inc. Brinell hardness gives good results for nonuniform materials such as castings since it has a large indent size. Standard hardness conversion tables for metals relationship. Step two, the diameter of the indentation is measured in at least two directions perpendicular to each other. The brinell hardness test is not recommended for materials above 650 hbw. Standard test method for brinell hardness of metallic materials. Astm hardness conversion chart automation and metrology. An astm designation number identifies a unique version of an astm standard. Step one, the indenter is brought in contact with the tests specimen perpendicular to the surface and the specified test force is applied. Brinell hardness numbers shall be followed by thesymbol hbw, and be supplemented by an index indicating thetest conditions in the following order. Jul 07, 2017 as for the astm e10 18 standard, there is a heavy focus on the background of and actions taken throughout the brinell hardness test procedure.
Astm e10 is a method of determining hardness by pushing a ball into the surface of a metal and then measuring the diameter of the indent left by the bfinell. Aug 03, 2019 astm e10 is a method of determining hardness by pushing a ball into the surface of a metal and brinfll measuring the diameter of the indent left by the ball. This information may correlate to tensile strength, wear resistance, ductility, or other physical characteristics of metallic materials, and may. Astm e10 is a method of determining hardness by pushing a ball into the surface of a metal and then measuring the diameter of the indent left by the ball. T7086 standard test method for brinell hardness of metallic materials1 this standard is issued under the. Standard test methods for rockwell hardness of metallic materials. Brinell hardness blocks can also be supplied with a grid pattern that adhere to the spacing requirements as per astme10. This test method covers the determination of the brinell hardness of metallic materials by the brinell indentation hardness principle. Standard test methods for rockwell hardness of metallic.
Each standardized brinell hardness test block is supplied with a traceable isoiec 17025 accredited certificate and meets the requirements of astme10. Bhn is designated by the most commonly used test standards astm e1014 and iso 65061. This test method defines the requirements for portable instruments that are intended to be used to measure the rockwell or brinell hardness of metallic materials by performing indentation tests on the surface of materials in the field or outside of a test lab, or in cases where the size or weight of the test piece prevents it from being tested on a standard e10 or e18 hardness tester. The conversion values contained herein should be considered approximate only and may be inaccurate for specific applications. Hardness conversion per astm e140, strength per astm a370, see bottom half of table. E10 12 american association state highway and transportation officials standard aashto no t7086 standard test method for brinell hardness of metallic materials1 this standard is issued under the.