BS 3111-1(1987) : 1987被替代
STEEL FOR COLD FORGED FASTENERS AND SIMILAR COMPONENTS - SPECIFICATION FOR CARBON AND LOW ALLOY STEEL WIRE
出版：British Standards Institution
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基本信息
标准编号： BS 3111-1(1987) : 1987
发布时间：1987/1/1 0:00:00
标准类别：Standard
出版单位：British Standards Institution
标准页数：16
标准简介
Describes requirements for steel wire up to and including 30 mm diameter for use in the manufacture of low, medium and high tensile, cold forged fasteners in low carbon steel, medium carbon steel, carbon molybdenum steel, 1 % chromium steel, 1 % chromium molybdenum steel, 1/2 % nickel chromium steel, low carbon manganese boron steel and medium carbon manganese boron steel. Covers designation, steelmaking process, freedom from defects, decarburization, chemical composition, mechanical tests, hardenability, grain size, tolerances on diameter, marking and test certificate.
