NZS 2218-1968 标准详情
- 标准号:NZS 2218-1968
- 中文标题:
- 英文标题:Specification for pulley blocks for use with wire rope for a maximum lift of 25 tonf in combination
- 标准类别:其他国内外OTHERSS
- 发布日期:
(=BS 4018-1966) Rope speed up to 100 ft/min; sheave diameter up to 12 in (300 mm). Design based on breaking load of ropes to BS 302 in the 6 x 37 group 100/110 tonf/in2 tensile strength. Materials and heat treatment, block shell, head fittings, beck
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