Specification for aircraft material. Semi-free cutting carbon steel, bright bars for machining (40-50 tonf/sq in: maximum size ½ inch diameter or minor sectional dimension) (primarily intended for the manufacture of nuts)
飞机材料规范 半易切削碳钢 加工用光亮棒材(40-50吨/平方英寸:最大尺寸1/2英寸直径或较小截面尺寸)(主要用于制造螺母)
发布日期:
1964-01-31
交叉引用:BS 3503S 100代替BS 112:1950。
Cross References:BS 3503S 100Replaces BS S 112:1950.