API 5CT C90 Casing Pipe
API 5CT C90 Welded Pipe
C90 Grade Seamless Steel Tubing
| Carbon | Manganese | Molybdenum | Chromium | Nickel | Copper | Titanium | Phosphorous | Sulfur | Silicon | Vanadium | Aluminium | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Minimum | - | - | 0.250 | - | - | - | - | - | - | - | - | - |
| Maximum | 0.350 | 1.200 | 0.850 | 1.500 | 0.990 | - | - | 0.020 | 0.010 | - | - | - |
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| Hardness | 25 Maximum | 255 Maximum |
| Tensile Strength | 689 Minimum | 100,000 Minimum |
| Elongation | 0.500 | - |
| Yield Strength | 621 Minimum | 724 Maximum |
| 90,000 Minimum | 105,000 Maximum |
| Grade | Type | Elongation | Yield strength | Tensile strength minimum | Hardness Maximum | wall thickness in Mm | hardness | ||
|---|---|---|---|---|---|---|---|---|---|
| Minimum | maximum | Hardness Rockwell C | Brinell Hardness | ||||||
| M 65 | - | 1/2 | 548 | 687 | 687 | 23 | 337 | - | - |
| Q 125 | 1 | 13/20 | 862 | 1034 | 931 | b | - | 12.70 to 19.05 | 4, 3, 5, 6 |
| L 80 | 1 | 1/2 | 548 | 687 | 687 | 23 | 337 | - | - |
| T 95 | 1 | 1/2 | 655 | 758 | 724 | 26 | 332 | 12.70 to 25.40 | 5, 3, 4, 6 |
| L 80 | 9 Cr | 1/2 | 552 | 655 | 655 | 23 | 241 | - | - |
| C 110 | - | 7/10 | 758 | 828 | 793 | 30 | 286 | 12.70 to 25.40 | 4, 3, 5, 6 |
| N 80 | Q | 1/2 | 552 | 758 | 689 | - | - | - | - |
| C 90 | 1 | 1/2 | 621 | 724 | 689 | 25.4 | 255 | 12.70 to 25.40 | 4, 3, 5, 6 |
| L 80 | 13 Cr | 1/2 | 552 | 655 | 655 | 23 | 241 | - | - |
| P 110 | - | 3/5 | 639 | 923 | 826 | - | - | - | - |
| H 40 | - | 1/2 | 276 | 552 | 414 | - | - | - | - |
| K 55 | - | 1/2 | 379 | 552 | 655 | - | - | - | - |
| J 55 | - | 1/2 | 379 | 552 | 517 | - | - | - | - |
| R 95 | - | 1/2 | 655 | 758 | 724 | - | - | - | - |
| N 80 | 1 | 1/2 | 552 | 758 | 689 | - | - | - | - |
Outer Diameter Size in inch: 2 3/8, 3.5, and 2 7/8
Grades: J55, P110, N80, J55-FBNAU, L80
Tubing size in inch: 1 1/4 To 2 1/16
End Finishing: Flush Joint, External Upset Ends, PH6, Integral Joint
| API Std | API-5CT |
| Sizes in inch | 2 To 3/8 Inch, 2 To 7/8 Inch, 3 To 1/2 Inch, 4 Inch, 4 To 1/2 Inch |
| Length in meter | 6.10 To 7.32 Meter / 8.53 To 9.75 Meter / 11.58 To 12.8 Meter) |
| Steel Grade | J55, N80-Q, K55, L80, N80-1, P110 |
| Thread | LTC, STC, BTC |
| Element | grades | Diameter | End Type |
|---|---|---|---|
| C90 CASING | L80 HC, J 55, P110 HC | 4.5 inch To 9.625 inch | STC, Plain End, BTC, LTC |
| C90 TUBING | P110, J55, L80, JFBNAU, 1% Chrome | 2.375 inch To 3.5 Inch | Plain End / EUE 8RD |
| Name | P 110 | K 55 | J 55 | N 80 1 | N 80 Q | L 80 1 |
|---|---|---|---|---|---|---|
| Coupling | white coupling | green coupling | green coupling/ white band | red coupling | red coupling/ green band | red coupling/ brown band |
| Casing | white band | Two bright green bands | bright green band | Bright red band | Bright red band/ green band | red band/ brown band |
| Outer Diameter | 4.5 Inch to 20 Inch, (114.3-508 MM) |
|---|---|
| Standard Size | 4.5 inch-20 inch, (114.3-508 MM) |
| Thread Casing Type | Long round, Short round, Buttress |
| Outer Diameter in inch | Wall Thickness | PE / feet | T and C / feet | Collar | API Drift | Grades |
|---|---|---|---|---|---|---|
| 2.875 | .217 | 6.17 | 6.5 | EUE, AB MOD |
2.347 | J55, L80, J-FBNAU, N80, P110 |
| 2.375 | .190 | 4.44 | 4.7 | EUE, AB MOD |
1.901 | J55, P110, N80, J-FBNAU, L80 |
| 3.5 | .254 | 8.81 | 9.3 | EUE, AB MOD |
2.867 | N80, J55, J-FBNAU, P110, L80 |
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