天津隆凯来加工1.66英寸j55钢级加厚扣油管短接 油管短接 1.315'EU 37.3mm 48.26 mm API-5CT/5B;油管短接 1.66' NU 42.2mm 52.17 mm API-5CT/5B; 油管短接 1.66' EU 46 mm 55.88 mm API-5CT/5B;油管短接 1.9' NU 48.26mm 55.88 mm API-5CT/5B; 油管短接 1.9' EU 53.25mm 63.5 mm API-5CT/5B;油管短接 2 3/8'NU 60.32mm 73.02 mm API-5CT/5B; 油管短接 2 3/8'EU 65.9mm 77.8 mm API-5CT/5B;油管短接 2 7/8'NU 73.03mm 88.9 mm API-5CT/5B; 油管短接 2 7/8'EU 78.6mm 93.17 mm API-5CT/5B;油管短接 3 1/2'NU 88.9mm 107.95mm API-5CT/5B; 油管短接 3 1/2'EU 95.2mm 114.3 mm API-5CT/5B;油管短接 4' NU 101.6mm 120.65mm API-5CT/5B; 油管短接 4' EU 108mm 127 mm API-5CT/5B;油管短接 4 1/2'NU 114.3mm 132.08mm API-5CT/5B; 油管短接 4 1/2'EU 120.6mm 141.3 mm API-5CT/5B 执行标准:API-5CT API-5L API-5B 石油油管类: 规格:1.66”,1.9”,2-3/8”,2-7/8”,3-1/2”,4”,4-1/2”,端部加工形式NUE,EUE. 并可根据订单加工 2FT,4FT,6FT等各种尺寸的油管提升短节,油管双公短节,转换接头,变扣接箍,油管加厚短节,变径短节等。