T/CSTM 01175-2026 Active Group standards

T/CSTM 01175-2026 Fracture toughness of hydrogen-charged pipeline materials Slow strain rate loading method

Publish Date: 2026-02-11 Implement Date: 2026-05-11 For services related to genuine standard inquiry, procurement, translation, and other related services in China, please Contact Us

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Basic Information

Standard Code: T/CSTM 01175-2026

Standard Type: Group standards

Standard Status: Active

is_force_gb: no

CCS Name: Dental instruments, equipment, and materials

ICS Name: Mechanical testing of metal materials

Publish Date: 2026-02-11

Implement Date: 2026-05-11

Scope

This document specifies the terms and definitions, principles, test conditions, reagents and materials, sample preparation, test procedures, test data processing, and test reports for evaluating the fracture toughness of pipeline materials under slow strain rate loading in hydrogen transport applications. This document is applicable to the determination of crack tip opening displacement under the combined conditions of slowly increasing displacement and hydrogen environment, as well as the evaluation of fracture toughness of pipeline materials in hydrogen-containing environments (under near-operational conditions) in the hydrogen transport field, where pipeline materials are widely used. This document specifies the terms and definitions, principles, test conditions, reagents and materials, sample preparation, test procedures, test data processing, and test reports for evaluating the fracture toughness of pipeline materials under slow strain rate loading. This document is applicable to the determination of crack tip opening displacement under the combined conditions of slowly increasing displacement and hydrogen environment, as well as the evaluation of fracture toughness of pipeline materials in hydrogen-containing environments (under near-operational conditions) in the hydrogen transport field, where pipeline materials are widely used.