Cryogenic vessels - Toughness requirements for materials at cryogenic temperature - Part 2: Temperatures between -80 degrees C and -20 degrees C (ISO 21028-2:2018); German version EN ISO 21028-2:2018— 34 стр.
Metallic materials - Charpy pendulum impact test - Part 2: Verification of testing machines (ISO 148-2:2016); German version EN ISO 148-2:2016— 48 стр.
Metallic materials - Charpy pendulum impact test - Part 3: Preparation and characterization of Charpy V-notch test pieces for indirect verification of pendulum impact machines (ISO 148-3:2016); German version EN ISO 148-3:2016— 27 стр.
Cryogenic vessels - Toughness requirements for materials at cryogenic temperature - Part 2: Temperatures between -80 °C and -20 °C (ISO/DIS 21028-2.2:2016); German and English version prEN ISO 21028-2:2016