钻铤
规范
编程规范下载gsp规范下载钢格栅规范下载警徽规范下载建设厅规范下载
（APISpec7和SY5144—86）钻铤及螺纹代号外径D水眼d长度±0.15L(m)倒角直径±0.15Df(m)抗弯强度比公称重量(Kg/m)(in)(mm)1/16-0(in)1/16-0(mm)NC23-3131/879.411/431.89.176.22.5732.8NC26-35(23/8IF)31/288.911/238.19.182.92.4240.2NC31-41(27/8IF)41/4104.8250.89.1100.42.4352.1NC35-4743/4120.7250.89.1114.72.5874.5NC38-50(31/2IF)5120.721/457.29.1121.02.3879.0NC44-606152.421/457.29.1或9.4144.52.49123.7NC44-606152.4213/1671.49.1或9.4144.52.84111.8NC44-6261/4158.821/457.29.1或9.4149.22.91135.6NC46-62(4IF)61/4158.8213/1671.49.1或9.4150.02.63111.8NC46-65(4IF)61/2165.121/457.29.1或9.4154.82.76147.5NC46-65(4IF)61/2165.1213/1671.49.1或9.4154.83.05135.6NC46-67(4IF)63/4171.521/457.29.1或9.4159.53.18160.9NC50-70(41/2IF)7177.821/457.29.1或9.4164.72.54174.3NC50-70(41/2IF)7177.8213/1671.49.1或9.4164.72.73163.9NC50-72(41/2IF)71/4184.2213/1671.49.1或9.4169.53.12177.3NC56-7173/4196.9213/1671.49.1或9.4185.32.70207.1NC56-808203.2213/1671.49.1或9.4190.13.02223.565/8REG81/4209.6213/1671.49.1或9.4195.72.93238.4NC61-909228.6213/1671.49.1或9.4212.73.17290.675/8REG91/2241.3376.29.1或9.4223.82.81321.8NC70-9793/4247.7376.29.1或9.4232.62.57341.2NC70-10010254.0376.29.1或9.4237.32.81362..0NC77-11011279.4376.29.1或9.4260.72.78445.5注：弯曲强度比：内螺纹危险断面抗弯截面模数与外螺纹危险断面抗弯截面模数之比。
浙公网安备 33021202002483