Approved Work Item
ISO/AWI 25715
Corrosion of metals and alloys — Fracture toughness testing in gaseous hydrogen environment
Reference number
ISO/AWI 25715
ISO/AWI 25715
Edition 1
© ISO 2026
Approved Work Item
Abstract
This test method specifies a procedure primarily for determining the fracture toughness of pipeline metals and alloys used in gaseous hydrogen or hydrogen-blended environments. It considers both constant and increasing loading modes. The procedure is applicable to steel pipeline systems transporting pure hydrogen or natural gas blended with hydrogen, operating at temperatures below 200°C. Other metallic materials used in containment vessel applications may also benefit from adherence to this standard.
General information
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Status: Under developmentStage: New project registered in TC/SC work programme [20.00]
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Edition: 1
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Technical Committee :ISO/TC 156
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