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
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基本信息
标准编号： BS 639:1976
发布时间：1976/2/27 0:00:00
标准类别：Standard
出版单位：British Standards Institution
标准页数：0
标准简介
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.
标准备注
© British Standards Institution 2013
Replaces notes:
Replaces BS 639:1972 and BS 1719:Part 1:1969.
