Welding consumables — Rods for gas welding of non-alloy and creep-resisting steels — Classification
焊接耗材 - 用于非合金和抗蠕变钢的气体焊接的焊条 - 分类
发布日期:
2017-02-27
ISO 20378:2017规定了非合金和抗蠕变钢气焊用焊条的化学成分分类。
ISO 20378:2017 specifies a classification for the designation of rods for gas welding of non?alloy and creep-resisting steels in terms of the chemical composition of the rod.