DIN EN ISO 9692-2-1999 焊接和相关工艺.接头的预处理.第2部分:钢的埋弧焊(ISO 9692-2-1998,包括技术勘误AC-1999)
Welding and allied processes - Joint preparation - Part 2: Submerged arc welding of steels (ISO 9692-2:1998, includes Corrigendum AC:1999); German version EN ISO 9692-2:1998 + AC:1999
The document pertains to type of joint preparation for submerged arc welding with wire electrodes (process 121 according to ISO 4063) on steel. It applies only to the welding positions PA and PB according to ISO 6947. In case PC is used, special preparation will be necessary.#,,#