BS 639:1976被替代
Specification. Covered electrodes for the manual metal-arc welding of carbon and carbon manganese steels
出版：British Standards Institution
專家解讀視頻
基本信息
標準編號： BS 639:1976
發布時間：1976/2/27 0:00:00
標準類別：Standard
出版單位：British Standards Institution
標準頁數：0
標準簡介
Electrode classification, dimensions, covering, identification, initial tests, quality control, periodic check tests, packing, storage, marking, manufacturer's certificate. Appendices on characteristics of coverings and methods of test.
標準備注
? British Standards Institution 2013
Replaces notes:
Replaces BS 639:1972 and BS 1719:Part 1:1969.
