British Standards Institution

Sector: Manufacturing

Categories: Metal testing. Mechanical | Welded joints and welds

Overview: Under the direction of ISE/101, is responsible for the UK input to ISO/TC 164/SC 4/WG 2, ISO/TC 164/SC 4/WG 3 and ECISS/TC 101 and the preparation, revision and amendment of British Standards for toughness testing of metals including; impact tests, and fracture mechanics testing procedures

Committee standards activity

In Progress (10)

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Reference	Standards description	Status ? The standards development process is divided into chronological stages: Proposal; Drafting; Public comment; Comment resolution; Approval; Published standard.
ISO/NP 20198	Metallic materials -- Steel -- Method of test for the determination of brittle crack arrest temperature (CAT) Categories: Information management \| Standardization. General rules \| Manufacturing \| Metallurgy \| Metal testing. Mechanical Proposal begins : 2022-12-01	Proposal
BS ISO 26843	Metallic materials — Measurement of fracture toughness at impact loading rates using precracked Charpy-type test pieces Categories: Unclassified documents Drafting begins : 2025-10-22	Drafting
BS ISO 20198	Metallic materials — Steel — Method of test for the determination of brittle crack arrest temperature (CAT) Categories: Metal testing. Mechanical Public comment begins : 2025-03-06	Public comment
BS ISO 148-4	Metallic materials — Charpy pendulum impact test —. Part 4: Testing of miniature Charpy - type V-notch test pieces Categories: Metal testing. Mechanical Public comment begins : 2025-04-02	Public comment
BS EN ISO 15653	Metallic materials — Method of test for the determination of quasistatic fracture toughness of welds Categories: Unclassified documents Drafting begins : 2024-05-08	Drafting
BS EN ISO 148-3	Metallic materials — Charpy pendulum impact test — Part 3: Preparation and characterization of Charpy V-notch test pieces for indirect verification of pendulum impact machines Categories: Unclassified documents Drafting begins : 2025-02-25	Drafting
BS EN ISO 148-2	Metallic materials — Charpy pendulum impact test — Part 2: Verification of testing machines Categories: Unclassified documents Drafting begins : 2024-06-12	Drafting
BS EN ISO 148-2	Metallic materials — Charpy pendulum impact test — Part 2: Verification of testing machines Categories: Unclassified documents Drafting begins : 2025-02-25	Drafting
BS EN ISO 148-1	Metallic materials — Charpy pendulum impact test — Part 1: Test method Categories: Unclassified documents Drafting begins : 2025-02-25	Drafting
BS 8571:2018	Method of test for determination of fracture toughness in metallic materials using single edge notched tension (SENT) specimens Categories: Information management \| Standardization. General rules Proposal begins : 2025-04-01	Proposal

Published (12)

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Reference	Standards description	Status ? The standards development process is divided into chronological stages: Proposal; Drafting; Public comment; Comment resolution; Approval; Published standard.
BS ISO 27306:2016	Metallic materials. Method of constraint loss correction of CTOD fracture toughness for fracture assessment of steel components Categories: Metal testing. Mechanical Published standard begins : 2016-11-07	Published standard
BS ISO 26843:2015	Metallic materials. Measurement of fracture toughness at impact loading rates using precracked Charpy-type test pieces Categories: Metal testing. Mechanical Published standard begins : 2015-12-11	Published standard
BS ISO 22889:2013	Metallic materials. Method of test for the determination of resistance to stable crack extension using specimens of low constraint Categories: Metal testing. Mechanical Published standard begins : 2013-09-24	Published standard
BS ISO 20064:2019	Metallic materials. Steel. Method of test for the determination of brittle crack arrest toughness, <i>K</i><sub>ca</sub> Categories: Metal testing. Mechanical Published standard begins : 2019-07-26	Published standard
BS ISO 12135:2021	Metallic materials — Unified method of test for the determination of quasistatic fracture toughness Categories: Metal testing. Mechanical Published standard begins : 2021-08-04	Published standard
BS EN ISO 3785:2023	Metallic materials. Designation of test specimen axes in relation to product texture Categories: Metal testing. Mechanical Published standard begins : 2023-06-07	Published standard
BS EN ISO 15653:2018	Metallic materials. Method of test for the determination of quasistatic fracture toughness of welds Categories: Welded joints and welds Published standard begins : 2018-02-22	Published standard
BS EN ISO 148-3:2016	Metallic materials. Charpy pendulum impact test. Preparation and characterization of Charpy V-notch test pieces for indirect verification of pendulum impact machines Categories: Metal testing. Mechanical Published standard begins : 2016-12-05	Published standard
BS EN ISO 148-2:2016	Metallic materials. Charpy pendulum impact test. Verification of testing machines Categories: Metal testing. Mechanical Published standard begins : 2016-12-05	Published standard
BS EN ISO 148-1:2016	Metallic materials. Charpy pendulum impact test. Test method Categories: Metal testing. Mechanical Published standard begins : 2016-12-05	Published standard

Withdrawn (9)

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Reference	Standards description	Status ? The standards development process is divided into chronological stages: Proposal; Drafting; Public comment; Comment resolution; Approval; Published standard.
BS ISO 27306:2009	Metallic materials. Method of constraint loss correction of CTOD fracture toughness for fracture assessment of steel components Categories: Metal testing. Mechanical Withdrawn begins : 2016-11-07	Withdrawn
BS EN ISO 3785:2006	Metallic materials. Designation of test specimen axes in relation to product texture Categories: Metal testing. Mechanical Withdrawn begins : 2023-06-07	Withdrawn
BS EN ISO 15653:2010	Metallic materials. Method of test for the determination of quasistatic fracture toughness of welds Categories: Welded joints and welds Withdrawn begins : 2018-02-22	Withdrawn
BS EN ISO 148-1:2010	Metallic materials. Charpy pendulum impact test. Test method Categories: Metal testing. Mechanical Withdrawn begins : 2016-12-05	Withdrawn
BS EN ISO 14556:2015	Metallic materials. Charpy V-notch pendulum impact test. Instrumented test method Categories: Metal testing. Mechanical Withdrawn begins : 2023-06-06	Withdrawn
BS EN ISO 14556:2000	Steel. Charpy V-notch pendulum impact test. Instrumented test method Categories: Metal testing. Mechanical Withdrawn begins : 2006-09-19	Withdrawn
BS EN ISO 12737:2010	Metallic materials. Determination of plane-strain fracture toughness Categories: Metal testing. Mechanical Withdrawn begins : 2012-06-06	Withdrawn
BS 8571:2014	Method of test for determination of fracture toughness in metallic materials using single edge notched tension (SENT) specimens Categories: Welded joints and welds Withdrawn begins : 2018-11-29	Withdrawn
BS 7448-3:2005	Fracture mechanics toughness tests. Method for determination of fracture toughness of metallic materials at rates of increase in stress intensity factor greater than 3.0 MPa m0.5 s-1 Categories: Metal testing. Mechanical Withdrawn begins : 2007-08-09	Withdrawn

Standards Development

ISE/101/4 - Toughness testing

Committee standards activity