নাম:API SPEC 5CT无缝钢管应用:它被广泛用于石油套管和油管油井模型:J55,N80,L80,P110等。尺寸公差:钢材类型的管外径壁厚冷轧管管径大小(মিমি)সহনশীলতাই(মিমি)সহনশীলতাই(মিমি)<114.3±0.79 -12.5%-0.5≥114.3%,+ 1%力学性能:钢管的标准编码模式Tensite强度(MPa)屈服强度(MPa)延伸率(%)硬度API 5CT SPEC J55≥517379〜552检查表K55≥517≥655≥689N80〜552 758 L80(13CR)≥655552〜655≤241HBP110≥862758〜965 SEAMLESS油管1.আয়তন:থেকে:1.05“TO41/2“,26.87MM们114.3MM W.T:2.87MM 16mm的长度:[...]