标准号:ISO 4231-1987
中文标准名称:圆柱管螺纹的手动和机动圆板牙 G系列
英文标准名称:Hand- and machine-operated circular screwing dies for parallel pipe threads - G series
标准类型:J41
发布日期:1999/12/31 12:00:00
实施日期:1999/12/31 12:00:00
中国标准分类号:J41
国际标准分类号:25.100.50
适用范围:This secind edition cancels and replaces the first edition (ISO 4231:1977). Is a supplement to ISO 2568 and ISO 4230 and lys down the diemensions of these screwing dies intended for production of parallel pipe threads in accordance with ISO 228-1. Diameter, thickness and fixing dimensions are accordance with ISO 2568 so as to permit the driving of and-oprated dies with the aid of the die stocks defined in that document.