Model NO.: API 5ct Oil Casing Pipe
Cross-Section Shape: Round
Connection Type: Seamless
Standards: API 5CT
Trademark: lcsh
Transport Package: as Per Customers′ Requirements
Specification: AISI, ASTM, JIS, GB, DIN, etc.
Origin: China
Model NO.: API 5ct Oil Casing Pipe
Cross-Section Shape: Round
Connection Type: Seamless
Standards: API 5CT
Trademark: lcsh
Transport Package: as Per Customers′ Requirements
Specification: AISI, ASTM, JIS, GB, DIN, etc.
Origin: China
Seamless casing pipe with coupling and thread protectorStandard: API 5ct (certificate no. 5ct 023)
Outside diameter: 4-1/2''--------20''
Steel grade: H40, J55, K55, N80, L80, P110, C90, C95, T95, Q125
Thread type: LTC, STC, BTC, PREMIUM CONNECTION
Length range: R1, R2, R3
Mainly product: Seamless casing, seamless tubing, seamless oil pipe(casing), natural gas pipe(casing), seamless steel pipe(casing) etc.
| OD | Theoretical weight | Wall thickness |
ID | size | Collar diameter | Thread    Type | Grade | Lenght |
| 139.7(5-1/2) | 20.85(0.244) | 6.20(0.244) | 127.3(5.012) | 124.1(4.887) | 153.7(6.050) | Round thread slant ladder | j55 | 8m-12m(2602-39.4) |
| 23.09(15.50) | 6.98(0.275) | 125.7(4.950) | 122.6(4.825) | n80 | ||||
| 25.32(17.00) | 7.72(0.304) | 124.3(4.892) | 121.1(4.767) | Â | ||||
| 29.79(20.00) | 9.17(0.361) | 121.4(4.778) | 118.2(4.653) | Â | ||||
| 34.26(23.00) | 10.54(0.415) | 118.6(4.670) | 115.4(4.545) | p110 | ||||
| 177.8(7) | 25.52917.00) | 5.87(0.231) | 166.1(6.538) | 162.9(6.413) | 194.5(7.656) | Round thread slant ladder | j55 | 8m-12m(2602-39.4) |
| 29.79(20.00) | 6.91(0.272) | 164.2(6.456) | 160.8(6.331) | n80 | ||||
| 34.26(23.00) | 8.05(0.317) | 161.7(6.366) | 158.5(6.204) | Â | ||||
| 38.73(26.00) | 9.19(0.362) | 159.4(6.276) | 156.2(6.151) | Â | ||||
| 43.20(29.00) | 10.36(0.408) | 157.1(6.180) | 153.9(6.059) | Â | ||||
| 47.66(32.00) | 11.51(0.453) | 154.8(6.090) | 151.6(5.969) | Â | ||||
| 52.13(35.00) | 12.65(0.498) | 152.5(6.004) | 149.3(5.879) | Â | ||||
| 56.60(38.00) | 13.72(0.540) | 150.4(5.430) | 147.2(5.795) | p110 | ||||
| 219.1(8-5/8) | 35.75(24.00) | 6.71(0.264) | 205.7(8.093) | 202.5(7.972) | 244.5(9.625) | Round thread slant ladder | j55 | 8m-12m(2602-39.4) |
| 41.71(28.00) | 7.72(0.304) | 203.7(8.020) | 200.5(7.894) | n80 | ||||
| 47.66(32.00) | 8.94(0.352) | 201.2(7.927) | 198.0(7.795) | Â | ||||
| 53.62(36.00) | 10.16(0.400) | 198.8(7.827) | 195.6(7.701) | Â | ||||
| 59.58(40.00) | 11.43(0.450) | 196.2(7.724) | 193.0(7.598) | p110 | ||||
| 244.5(9-5/8) | 48.11(32.30) | 7.92(0.312) | 228.7(9.001) | 244.7(8.845) | 269.6(10.6250 | Round thread slant ladder | j55 | 8m-12m(2602-39.4) |
| 53.62(36.00) | 8.94(0.352) | 226.6(8.921) | 222.6(8.765) | n80 | ||||
| 59.58(40.00) | 10.03(0.395) | 224.4(8.835) | 220.4(8.679) | Â | ||||
| 64.79(43.50) | 11.05(0.435) | 222.4(8.755) | 218.4(8.599) | Â | ||||
| 70.01(47.00) | 11.99(0.472) | 220.5(8.681) | 216.5(8.525) | Â | ||||
| 71.69(53.50) | 13.84(0.545) | 216.8(8.535) | 212.8(8.379) | p110 | ||||
| 273.0(10-3/4) | 48.78(32.75) | 7.09(0.279) | 258.9(10.192) | 254.9(10.035) | 298.5(11.752) | Round thread slant ladder | j55 | 8m-12m(2602-39.4) |
| 60.32(40.50) | 8.89(0.350) | 255.3(10.050) | 251.3(9.894) | n80 | ||||
| 67.77(45.50) | 10.26(0.400) | 252.7(9.950) | 248.8(9.794) | Â | ||||
| 75.96(51.00) | 11.43(0.450) | 250.2(9.850) | 246.2(9.694) | Â | ||||
| 82.67(55.50) | 12.57(0.495) | 247.9(9.760) | 243.9(9.604) | p110 | ||||
| 339.7(13-3/8) | 71.50(48.00) | 8.38(0.330) | 322.9(12.715) | 319.0(12.559) | 365.1(14.374) | Round thread slant ladder | j55 | 8m-12m(2602-39.4) |
| 81.18(54.50) | 9.65(0.380) | 320.4(12.615) | 316.5(12.459) | n80 | ||||
| 90.86(61.00) | 10.92(0.430) | 317.9(12.515) | 313.9(12.359) | Â | ||||
| 101.69(68.00) | 12.19(0.480) | 315.3(12.415) | 311.4(12.259) | p110 | ||||
| 73.0(2-7/8) | 9.53(6.40) | 5.51(0217) | 62.00(2.441) | 59.61(2.347) | 88.9(3.500) | Round thread | j55n80 | 8.5m-9.5m(27.9-31.2) |
| 11.62(7.90) | 7.01(0.276) | 59.00(2.323) | 56.62(2.229) | |||||
| 12.81(8.60) | 7.82(0.308) | 57.40(2.259) | 54.99(2.165) | |||||
| 88.9(3-1/2) | 11.47(7.70)15.19(10.20) | 5.49(0.216) 7.34(0.289) |
77.9(3.067)76.0(2.992) | 24.25(2.943) 21.04(2.797) |
107.95(4.250) | Round thread | j55n80 | 8.5m-9.5m(27.9-31.2) |
| 114.3(4-1/2) | 18.77(12.60) | 6.88(0.271) | 100.5(3.957) | 97.37(3.833) | 132.08(5.200) | Round thread | j55n80 | 8.5m-9.5m(27.9-31 Â |
 Seamless casing pipe with coupling and thread protector
Standard: API 5ct (certificate no. 5ct 023)
Outside diameter: 4-1/2''--------20''
Steel grade: H40, J55, K55, N80, L80, P110, C90, C95, T95, Q125
Thread type: LTC, STC, BTC, PREMIUM CONNECTION
Length range: R1, R2, R3
Mainly product: Seamless casing, seamless tubing, seamless oil pipe(casing), natural gas pipe(casing), seamless steel pipe(casing) etc.
| OD | Theoretical weight | Wall thickness |
ID | size | Collar diameter | Thread    Type | Grade | Lenght |
| 139.7(5-1/2) | 20.85(0.244) | 6.20(0.244) | 127.3(5.012) | 124.1(4.887) | 153.7(6.050) | Round thread slant ladder | j55 | 8m-12m(2602-39.4) |
| 23.09(15.50) | 6.98(0.275) | 125.7(4.950) | 122.6(4.825) | n80 | ||||
| 25.32(17.00) | 7.72(0.304) | 124.3(4.892) | 121.1(4.767) | Â | ||||
| 29.79(20.00) | 9.17(0.361) | 121.4(4.778) | 118.2(4.653) | Â | ||||
| 34.26(23.00) | 10.54(0.415) | 118.6(4.670) | 115.4(4.545) | p110 | ||||
| 177.8(7) | 25.52917.00) | 5.87(0.231) | 166.1(6.538) | 162.9(6.413) | 194.5(7.656) | Round thread slant ladder | j55 | 8m-12m(2602-39.4) |
| 29.79(20.00) | 6.91(0.272) | 164.2(6.456) | 160.8(6.331) | n80 | ||||
| 34.26(23.00) | 8.05(0.317) | 161.7(6.366) | 158.5(6.204) | Â | ||||
| 38.73(26.00) | 9.19(0.362) | 159.4(6.276) | 156.2(6.151) | Â | ||||
| 43.20(29.00) | 10.36(0.408) | 157.1(6.180) | 153.9(6.059) | Â | ||||
| 47.66(32.00) | 11.51(0.453) | 154.8(6.090) | 151.6(5.969) | Â | ||||
| 52.13(35.00) | 12.65(0.498) | 152.5(6.004) | 149.3(5.879) | Â | ||||
| 56.60(38.00) | 13.72(0.540) | 150.4(5.430) | 147.2(5.795) | p110 | ||||
| 219.1(8-5/8) | 35.75(24.00) | 6.71(0.264) | 205.7(8.093) | 202.5(7.972) | 244.5(9.625) | Round thread slant ladder | j55 | 8m-12m(2602-39.4) |
| 41.71(28.00) | 7.72(0.304) | 203.7(8.020) | 200.5(7.894) | n80 | ||||
| 47.66(32.00) | 8.94(0.352) | 201.2(7.927) | 198.0(7.795) | Â | ||||
| 53.62(36.00) | 10.16(0.400) | 198.8(7.827) | 195.6(7.701) | Â | ||||
| 59.58(40.00) | 11.43(0.450) | 196.2(7.724) | 193.0(7.598) | p110 | ||||
| 244.5(9-5/8) | 48.11(32.30) | 7.92(0.312) | 228.7(9.001) | 244.7(8.845) | 269.6(10.6250 | Round thread slant ladder | j55 | 8m-12m(2602-39.4) |
| 53.62(36.00) | 8.94(0.352) | 226.6(8.921) | 222.6(8.765) | n80 | ||||
| 59.58(40.00) | 10.03(0.395) | 224.4(8.835) | 220.4(8.679) | Â | ||||
| 64.79(43.50) | 11.05(0.435) | 222.4(8.755) | 218.4(8.599) | Â | ||||
| 70.01(47.00) | 11.99(0.472) | 220.5(8.681) | 216.5(8.525) | Â | ||||
| 71.69(53.50) | 13.84(0.545) | 216.8(8.535) | 212.8(8.379) | p110 | ||||
| 273.0(10-3/4) | 48.78(32.75) | 7.09(0.279) | 258.9(10.192) | 254.9(10.035) | 298.5(11.752) | Round thread slant ladder | j55 | 8m-12m(2602-39.4) |
| 60.32(40.50) | 8.89(0.350) | 255.3(10.050) | 251.3(9.894) | n80 | ||||
| 67.77(45.50) | 10.26(0.400) | 252.7(9.950) | 248.8(9.794) | Â | ||||
| 75.96(51.00) | 11.43(0.450) | 250.2(9.850) | 246.2(9.694) | Â | ||||
| 82.67(55.50) | 12.57(0.495) | 247.9(9.760) | 243.9(9.604) | p110 | ||||
| 339.7(13-3/8) | 71.50(48.00) | 8.38(0.330) | 322.9(12.715) | 319.0(12.559) | 365.1(14.374) | Round thread slant ladder | j55 | 8m-12m(2602-39.4) |
| 81.18(54.50) | 9.65(0.380) | 320.4(12.615) | 316.5(12.459) | n80 | ||||
| 90.86(61.00) | 10.92(0.430) | 317.9(12.515) | 313.9(12.359) | Â | ||||
| 101.69(68.00) | 12.19(0.480) | 315.3(12.415) | 311.4(12.259) | p110 | ||||
| 73.0(2-7/8) | 9.53(6.40) | 5.51(0217) | 62.00(2.441) | 59.61(2.347) | 88.9(3.500) | Round thread | j55n80 | 8.5m-9.5m(27.9-31.2) |
| 11.62(7.90) | 7.01(0.276) | 59.00(2.323) | 56.62(2.229) | |||||
| 12.81(8.60) | 7.82(0.308) | 57.40(2.259) | 54.99(2.165) | |||||
| 88.9(3-1/2) | 11.47(7.70)15.19(10.20) | 5.49(0.216) 7.34(0.289) |
77.9(3.067)76.0(2.992) | 24.25(2.943) 21.04(2.797) |
107.95(4.250) | Round thread | j55n80 | 8.5m-9.5m(27.9-31.2) |
| 114.3(4-1/2) | 18.77(12.60) | 6.88(0.271) | 100.5(3.957) | 97.37(3.833) | 132.08(5.200) | Round thread | j55n80 | 8.5m-9.5m(27.9-31 Â |
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