GB/T 18658-2018 (English Version) PDF

Standard No.: GB/T 18658-2018
Language: Chinese, Available in English version
Release Date: 2018
Published By: General Administration of Quality Supervision, Inspection and Quarantine of the People‘s Republic of China
Latest: GB/T 18658-2018
Replace: GB/T 18658-2002

Scope: This standard specifies the technical requirements, preparation and identification methods of standard samples for indirect inspection of pendulum impact testing machines according to GB/T 3808. The notched specimens and their nominal dimensions described in this standard have stricter tolerances than the specimens specified in GB/T 229. This standard is applicable to standard samples for indirect inspection of pendulum impact testing machines according to GB/T 3808.

GB/T 18658-2018 Referenced Document

GB/T 229 Metallic materials—Charpy pendulum impact test method*， 2020-09-29 Update
GB/T 3808 Verification of pendulum-type impact testing machines

2018 GB/T 18658-2018 Charpy V-notch reference test pieces for indirect verification of pendulum impact testing machines
2002 GB/T 18658-2002 Charpy V reference test pieces for verification of pendulum-type impact testing machines (ISO 148-3:1998,Metallic materials--Charpy pendulum impact test--Part 3: Preparation and characterization of charpy V reference test pieces for verification of test