GB5639.1-85L质(钢)管子外径Ddd小SA型B型A型B型mmkg/100件35.25M10125.5公1353.5305.365.07M121.529.534.517.315108.617.32M141.535.520.8181113.216.3108M161.537.546.524.22118,022.9161210M181.53849.527.72422.】24.214M221.539.531.2272130,716gM241.541.539.634.6301815M271.54346.320公M302502771.541.6362219M332533082.22522M3625547.3u3395.90M39258.553.1361263227M422614114857.7503430M45262.546150技术条件按GB5653一85扩口式管接头技术条件的规定。2