标准号:IS 2429 Pt.1-1970
发布日期:1971/9/1 12:00:00
实施日期:1999/12/31 12:00:00
适用范围:1.1 This standard covers the requirements for lifting chains, Grade 30 non-calibrated, for lifting purposes. These are electric resistance or flash butt welded round steel short link chains fully tested and heat-treated and comply with the general conditions of acceptance of IS : 5616-1970〓. The sizes from 6.3 mm to 45 mm are covered in this standard.1.1.1 Arc welded chains are not covered in this specification.