国产精品久久久在线观看_亚洲免费观看视频网站_国产盗摄视频一区二区三区_久久久国产一级 - 日本在线观看一区

歡迎來到寰標網! 客服QQ:772084082 加入會員
當前位置: 首頁 > 標準詳情頁

BS 4871-2(1982) : 1982被替代

SPECIFICATION FOR APPROVAL TESTING OF WELDERS WORKING TO APPROVED WELDING PROCEDURES - TIG OR MIG WELDING OF ALUMINIUM AND IT'S ALLOYS

出版:British Standards Institution

獲取原文 如何獲取原文?問客服 獲取原文,即可享受本標準狀態變更提醒服務!

專家解讀視頻

基本信息
標準編號: BS 4871-2(1982) : 1982
發布時間:1982/1/1 0:00:00
標準類別:Standard
出版單位:British Standards Institution
標準頁數:16
標準簡介

Specifies requirements for the approval testing of welders to be engaged on the mechanized or manual TIG or MIG welding of wrought aluminium and its alloys, for which an approved welding procedure needs to be used. This standard's principles may be applied, subject to agreement between the contracting parties, in approval tests for welding castings. BS 4870 : Part 2 applies where the approval of a welder and a welding procedure are to be covered in one test. Covers Information to be given to the welder; Extent of approval and Items to be recorded. Also gives detailed definitions.

本標準替代的舊標準

BS 4871-2(1979) : LATEST

替代本標準的新標準

BS EN 287-2 : 1992