DIN EN ISO 15614-1 : 2020 Title: Specification and qualification of welding procedures for metallic materials - Welding procedure test - Part 1: Arc and gas welding of steels and arc welding of nickel and nickel alloys (ISO 15614-1:2017 + Amd 1:2019) (includes Amendment A1:2019) Year: 2020 Publisher: DIN Media GmbH Availability: Within 1-2 working days