BS EN ISO 21028-2:2018规定了在-20°C和-80°C之间使用的金属材料的韧性要求，以确保其适用于低温容器。本文件适用于具有规定屈服强度的细晶粒和低合金钢≤ 460 N/mm2，铝和铝合金、铜和铜合金以及奥氏体不锈钢。交叉引用:ISO 9016ISO 148EN 13480-2:2012EN 13445-2:2014ASME BPVC-III-2017购买本文件时可获得的所有当前修改件均包含在购买本文件中。

BS EN ISO 21028-2:2018 specifies the toughness requirements of metallic materials for use at temperatures between -20 °C and -80 °C to ensure their suitability for cryogenic vessels. This document is applicable to fine-grain and low-alloyed steels with specified yield strength ≤ 460 N/mm2, aluminium and aluminium alloys, copper and copper alloys and austenitic stainless steels.Cross References:ISO 9016ISO 148EN 13480-2:2012EN 13445-2:2014ASME BPVC-III-2017All current amendments available at time of purchase are included with the purchase of this document.