□標準:API SPEC 5CT□ 用處: 用於石油、自然氣產業中的氣、水、油輸送用於油井中抽取石油或自然氣 。套管用作油氣井的井壁。API 5CT尺寸偏差項目許可偏差外徑管體D≤101.60mm±0.79mmD≥114.30mm +1.0% -0.5%壁厚-12.5%重量單根+6.5%+3.5%車載量-1.75機械性能綱級屈服強度(MPa)抗拉強度(MPa)延伸率最低最高最低最低PsiMpaPsiMpaPsiMpaHRCHBWJ-55550003798000055275000517--K-55550003798000055295000655--N-808000055211000758100000689--L-80-180000552950006559500065523241C-909000062110500072410000068925.4255C-9595000655110000758105000724--T-959500065511000075812500072425.4255P-110110000758140000965100000862--M-6565000448850005861000006892223580 SS830005709900068010000068923241BG80T80000552110000758100000689--BG110T110000758140000965125000862--化學成份鋼級CMnMoCrNiCuPSSiminmaxminmaxminmaxminmaxJ-55 K-55 N-80 L-80-1 C-90-1 C-90-2 C-95 T-95-1 T-95-2 P-110 M-65 80 SS BG80T BG110T 長度項目範圍1範圍2範圍3油管6.10-7.32m8.53-9.75m-套管4.88-7.62m7.62-10.36m10.36-14.63m
