In the composition of Q125 Material Steel Pipe , which is a seamless carbon steel pipe, are carbon, manganese, phosphorus, silicon, sulphur, chromium, and nickel. The API 5CT Q125 Casing Pipe can be made out of a variety of materials, including grade B, ST52, ST42, and others. The pipes' sizes vary along with their grades. The outside diameter of the API 5CT Gr. Q125 Oilfield Casing Pipes ranges from 14 inches to 24 inches. These pipes must adhere to a variety of standards, including API 5L, ASTM A106 Grade B, and ASTM A53 Grade B. Specific certificates are also required for the Grade Q125 Oil Well Drilling Casing Pipes to demonstrate its high calibre and standards. The certificates might be from organisations like API 5L, SGC, and ISO 9001: 2008. Depending on the pipe diameter, the API 5CT Gr. Q125 Tubing can have a variety of wall thicknesses and schedules. Scheduling options include sch10 through XXS. These pipes can also have various surface treatments as black paint, varnish, calvinized metal, or corrosion coating. Additionally, the pipes have the usual markings. There are various pipe end types available for the API 5CT Gr. Q125 Casing Pipes. Pipes with a diameter less than 2 inches have simple ends. Pipe ends up to 2 inches can have bevels. The API 5CT Q125 Oilfield Tubing is available in fixed lengths, single random lengths, double random lengths, and bespoke diameters. The Q125 Material is primarily used in industrial oil and gas applications to transfer fluids from oil rigs to refineries.
API 5CT Q125 Casing Pipes
Grade Q125 Steel Tubing
API 5CT grade Q125 Seamless Pipes
| Product Name | Seamless Oil Pipe |
| Material | GR.B,ST52, ST35, ST45, X42, ST42, X46, X56, X52, X60, X65, X70,SS304, SS316 etc. |
| Size | Size 1/4" to 24" Outside Diameter 13.7 mm to 610 mm |
| Standard | API 5L, ASTM A106 Gr.B, ASTM A53 Gr.B, ANSI A210-1996, ANSI B36.10M-2004, ASTM A1020-2002, ASTM A179-1990, BS 3059-2, DIN 1630, DIN 17175, DIN 2448 |
| Wall thickness | SCH10, SCH20, SCH30, SCH40, SCH60, STD, SCH80, SCH100 XS, SCH120, SCH160, XXS |
| Surface Treatment | Black paint, oil, galvanized, varnish, anti corrosion coatings |
| Pipe Ends | Under 2 inch plain end. 2 inch and above Beveled. Plastic caps (small OD) ,Iron protector (large OD) |
| Model in Common Use |
|
| Application | Oil pipe, Gas pipe |
| Test | Chemical Component Analysis, Technical Properties, Mechanical Properties, Exterior Size Inspection, hydraulic testing, X-ray Test. |
| Advantages |
|
| Length Range | R1 (6.10-7.32m), R2 (8.53-9.75m), R3 (11.58-12.80m) |
| Model in Common Use | 2-3/8", 2-7/8", 3-1/2", 4", 4-1/2" |
| Specialties |
|
| C | Mn | Mo | Cr | Ni | Cu | Ti | P | S | Si | V | Al | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Min | - | - | - | - | - | - | - | - | - | - | - | - |
| Max | 0.350 | 1.350 | 0.850 | 1.500 | 0.990 | - | - | 0.020 | 0.010 | - | - | - |
| Tensile Strength | 931 MPa min | 135,000 psi min |
| Yield Strength | 862 MPa min | 1,034 MPa max |
| 125,000 psi min | 150,000 psi max | |
| Total Elongation Under Load | 0.650 % | - |
| Hardness | - | - |
API 5CT OCTG Q125 Seamless Steel Oil Well Casing
Q125 Grade API 5CT Oilfield Casing and Tubing
API 5CT Q125 oil and gas casing pipe welded tube
API 5CT Gr. Q125 Oilfield Casing seamless Steel Pipe
API 5CT EUE Q125 seamless Oil Casing Line Tube/Pipe
API 5CT Q125 Tubing oil Casing pipe
| Pipe Casing Sizes, Oilfield Casing Sizes & Casing Drift Sizes | |
|---|---|
| Outer Diameter (Casing Pipe Sizes) | 4 1/2"-20", (114.3-508mm) |
| Standard Casing Sizes | 4 1/2"-20", (114.3-508mm) |
| Thread Type | Buttress thread casing, Long round thread casing, Short round thread casing |
| Function | It can protect the tubing pipe. |
| Name of Pipes | Specification | Steel Grade | Standard | ||
|---|---|---|---|---|---|
| D | (S) | (L) | |||
| (mm) | (mm) | (m) | |||
| Petroleum Casing Pipe | 127-508 | 5.21-16.66 | 6-12 | J55. M55. K55. L80. N80. P110. |
API Spec 5CT (8) |
| Petroleum Tubing | 26.7-114.3 | 2.87-16.00 | 6-12 | J55. M55. K55. L80. N80. P110. |
API Spec 5CT (8) |
| Coupling | 127-533.4 | 12.5-15 | 6-12 | J55. M55. K55. L80. N80. P110. |
API Spec 5CT (8) |
| Name | J55 | K55 | N80-1 | N80-Q | L80-1 | P110 |
|---|---|---|---|---|---|---|
| Casing | a bright green band | two bright green bands | a bright red band | a bright red band + a green band | a red band + a brown band | a bright white band |
| Coupling | entire green coupling + a white band | entire green coupling | entire red coupling | entire red coupling + a green band | entire red coupling + a brown band | entire white coupling |
| Codea | Outer Dia | Nominal weight (with thread and coupling) b,c |
Wall Thickness | End processing type | ||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| mm | kg/m | mm | H40 | J55 | M65 | L80 | N801 | C90d | P110 | Q125d | ||
| In | Lb/ft | K55 | C95 | N80Q | T95d | |||||||
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 |
| 4-1-2 | 9.5 | 114.3 | 14.14 | 5.21 | S | S | S | - | - | - | - | - |
| 4-1-2 | 10.5 | 114.3 | 15.63 | 5.69 | - | SB | SB | - | - | - | - | - |
| 4-1-2 | 11.6 | 114.3 | 17.26 | 6.35 | - | SLB | - | - | LB | LB | - | - |
| 4-1-2 | 13.5 | 114.3 | 20.09 | 7.37 | - | - | - | - | LB | LB | - | - |
| 4-1-2 | 15.1 | 114.3 | 22.47 | 8.56 | - | - | - | - | - | - | LB | LB |
| 5 | 11.5 | 127 | 17.11 | 5.59 | - | S | S | - | - | - | - | - |
| 5 | 13 | 127 | 19.35 | 6.43 | - | SLB | SLB | - | - | - | - | - |
| 5 | 15 | 127 | 22.32 | 7.52 | - | SLB | LB | - | LB | - | LB | - |
| 5 | 18 | 127 | 26.79 | 9.19 | - | - | LB | LB | - | LB | - | - |
| 5 | 21.4 | 127 | 31.85 | 11.1 | - | - | LB | - | - | LB | - | LB |
| 5 | 23.2 | 127 | 34.53 | 12.14 | - | - | - | LB | - | - | LB | - |
| 5 | 24.1 | 127 | 35.86 | 12.7 | - | - | - | LB | - | LB | - | - |
| 5-1-2 | 14 | 139.7 | 20.83 | 6.2 | S | S | S | - | - | - | - | - |
| 5-1-2 | 15.5 | 139.7 | 23.07 | 6.98 | - | SLB | SLB | - | - | - | - | - |
| 5-1-2 | 17 | 139.7 | 25.3 | 7.72 | - | SLB | LB | - | - | LB | - | - |
| 5-1-2 | 20 | 139.7 | 29.76 | 9.17 | - | - | LB | - | - | LB | LB | - |
| 5-1-2 | 23 | 139.7 | 34.23 | 10.54 | - | - | LB | - | LB | - | - | LB |
| 6-5-8 | 20 | 168.28 | 29.76 | 7.32 | S | SLB | SLB | - | - | - | - | - |
| 6-5-8 | 24 | 168.28 | 35.72 | 8.94 | - | SLB | LB | - | LB | - | - | - |
| 6-5-8 | 28 | 168.28 | 41.67 | 10.59 | - | - | - | LB | - | - | LB | - |
| 6-5-8 | 32 | 168.28 | 47.62 | 12.06 | - | - | - | LB | - | - | LB | - |
| 7 | 17 | 177.8 | 25.3 | 5.87 | S | - | - | - | - | - | - | - |
| 7 | 20 | 177.8 | 29.76 | 6.91 | S | S | S | - | - | - | - | - |
| 7 | 23 | 177.8 | 34.23 | 8.05 | - | SLB | LB | - | - | LB | - | - |
| 7 | 26 | 177.8 | 38.69 | 9.19 | - | SLB | - | - | LB | - | LB | - |
| 7 | 29 | 177.8 | 43.16 | 10.36 | - | - | LB | - | LB | - | - | - |
| 7 | 32 | 177.8 | 47.62 | 11.51 | - | - | - | - | LB | - | LB | - |
| 7 | 35 | 177.8 | 52.09 | 12.65 | - | - | - | LB | LB | - | - | LB |
| 7-5-8 | 24 | 193.68 | 35.72 | 7.62 | S | - | - | - | - | - | - | - |
| 7-5-8 | 26.4 | 193.68 | 39.29 | 8.33 | - | SLB | SLB | LB | - | LB | - | - |
| 7-5-8 | 29.7 | 193.68 | 44.2 | 9.52 | - | - | - | - | LB | - | LB | - |
| 7-5-8 | 33.7 | 193.68 | 50.15 | 10.92 | - | - | LB | - | - | LB | - | - |
| 7-5-8 | 39 | 193.68 | 58.04 | 12.7 | - | - | - | LB | LB | - | LB | - |
| 7-5-8 | 42.8 | 193.68 | 63.69 | 14.27 | - | - | - | LB | - | LB | - | - |
| 7-5-8 | 45.3 | 193.68 | 67.41 | 15.11 | - | - | - | LB | - | - | LB | LB |
| 7-5-8 | 47.1 | 193.68 | 70.09 | 15.88 | - | - | - | - | LB | - | LB | LB |
| 8-5-8 | 24 | 219.08 | 35.72 | 6.71 | - | S | S | - | - | - | - | - |
| 8-5-8 | 28 | 219.08 | 41.67 | 7.72 | S | - | S | - | - | - | - | - |
| 8-5-8 | 32 | 219.08 | 47.62 | 8.94 | S | SLB | SLB | - | - | - | - | - |
| 8-5-8 | 36 | 219.08 | 53.57 | 10.16 | - | SLB | SLB | LB | - | - | LB | - |
| 8-5-8 | 40 | 219.08 | 59.53 | 11.43 | - | - | LB | - | - | LB | LB | - |
| 8-5-8 | 44 | 219.08 | 65.48 | 12.7 | - | - | - | - | LB | - | LB | |
| 8-5-8 | 49 | 219.08 | 72.92 | 14.15 | - | - | - | LB | LB | - | - | LB |
| Codea | Outer diameter | Nominal weight (with thread and coupling) b,c |
Wall thickness | End processing type | ||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| mm | kg/m | mm | H40 | J55 | M65 | L80 | N80 | C90d | P110 | Q125d | ||
| In | Lb/ft | K55 | C95 | 1, Q | T95d | |||||||
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 |
| 9-5-8 | 32.3 | 244.48 | 48.07 | 7.92 | S | - | - | - | - | - | - | - |
| 9-5-8 | 36 | 244.48 | 53.57 | 8.94 | S | SLB | SLB | - | - | - | - | - |
| 9-5-8 | 40 | 244.48 | 59.53 | 10.03 | - | SLB | SLB | - | LB | - | - | - |
| 9-5-8 | 43.5 | 244.48 | 64.73 | 11.05 | - | - | LB | - | - | LB | - | - |
| 9-5-8 | 47 | 244.48 | 69.94 | 11.99 | - | - | - | LB | - | - | LB | LB |
| 9-5-8 | 53.5 | 244.48 | 79.62 | 13.84 | - | - | - | LB | LB | - | - | LB |
| 9-5-8 | 58.4 | 244.48 | 86.91 | 15.11 | - | - | - | LB | - | LB | - | LB |
| 10-3-4 | 32.75 | 273.05 | 48.74 | 7.09 | S | - | - | - | - | - | - | - |
| 10-3-4 | 40.5 | 273.05 | 60.27 | 8.89 | S | SB | SB | - | - | - | - | - |
| 10-3-4 | 45.5 | 273.05 | 67.71 | 10.16 | - | SB | SB | - | - | - | - | - |
| 10-3-4 | 51 | 273.05 | 75.9 | 11.43 | - | SB | - | - | SB | - | SB | - |
| 10-3-4 | 55.5 | 273.05 | 82.59 | 12.57 | - | - | SB | - | SB | SB | - | - |
| 10-3-4 | 60.7 | 273.05 | 90.33 | 13.84 | - | - | - | - | - | SB | SB | SB |
| 10-3-4 | 65.7 | 273.05 | 97.77 | 15.11 | - | - | - | - | - | SB | - | SB |
| 11-3-4 | 42 | 298.45 | 62.5 | 8.46 | S | - | - | - | - | - | - | - |
| 11-3-4 | 47 | 298.45 | 69.94 | 9.53 | - | SB | SB | - | - | - | - | - |
| 11-3-4 | 54 | 298.45 | 80.36 | 11.05 | - | SB | SB | - | - | - | - | - |
| 11-3-4 | 60 | 298.45 | 89.29 | 12.42 | - | SB | SB | - | SB | - | - | SB |
| 13-3-8 | 48 | 339.72 | 71.43 | 8.38 | S | - | - | - | - | - | - | - |
| 13-3-8 | 54.5 | 339.72 | 81.1 | 9.65 | - | SB | SB | - | - | - | - | - |
| 13-3-8 | 61 | 339.72 | 90.78 | 10.92 | - | - | SB | - | - | - | - | - |
| 13-3-8 | 68 | 339.72 | 101.19 | 12.19 | - | SB | SB | - | - | SB | - | - |
| 13-3-8 | 72 | 339.72 | 107.15 | 13.06 | - | - | - | SB | - | SB | - | - |
| 16 | 65 | 406.4 | 96.73 | 9.53 | S | - | - | - | - | - | - | - |
| 16 | 75 | 406.4 | 111.61 | 11.13 | - | SB | SB | - | - | - | - | - |
| 16 | 84 | 406.4 | 125.01 | 12.57 | - | - | SB | - | - | - | - | - |
| 18-5-8 | 87.5 | 473.08 | 130.21 | 11.05 | S | SB | SB | - | - | - | - | - |
| 20 | 94 | 508 | 139.89 | 11.13 | SL | SLB | SLB | - | - | - | - | - |
| 20 | 106.5 | 508 | 158.49 | 12.7 | - | SLB | SLB | - | - | - | - | - |
| 20 | 133 | 508 | 197.93 | 16.13 | - | SLB | - | - | - | - | - | - |
| S-Short round thread, L-Long round thread, B-Buttress thread | ||||||||||||
| a. Code is used for ordering reference. | ||||||||||||
| b. The nominal weight of threaded and coupled casing (column 2) is shown for reference only. | ||||||||||||
| c. Martensitic chromium steel (L80 9Cr and 13Cr) differs from carbon steel in density. The shown weight of martensitic chromium steel is not an exact value. The mass correction factor 0.989 can be used. | ||||||||||||
| d. C90, T95 and Q125 steel grade casing should be supplied according to specification, weight and wall thickness listed in the above table or order. | ||||||||||||
| Group | Grade | Type | Total elongation under load % | Yield strength MPa | Tensile strength min. MPa | Hardness a max. | Specified wall thickness mm | Allowable hardness variation b HRC | ||
|---|---|---|---|---|---|---|---|---|---|---|
| min. | max . | HRC | HBW | |||||||
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 |
| 1 | H40 | - | 0.5 | 276 | 552 | 414 | - | - | - | - |
| J55 | - | 0.5 | 379 | 552 | 517 | - | - | - | - | |
| K55 | - | 0.5 | 379 | 552 | 655 | - | - | - | - | |
| N80 | 1 | 0.5 | 552 | 758 | 689 | - | - | - | - | |
| N80 | Q | 0.5 | 552 | 758 | 689 | - | - | - | - | |
| R95 | - | 0.5 | 655 | 758 | 724 | - | - | - | - | |
| 2 | M65 | - | 0.5 | 448 | 586 | 586 | 22 | 235 | - | - |
| L80 | 1 | 0.5 | 552 | 655 | 655 | 23 | 241 | - | - | |
| L80 | 9Cr | 0.5 | 552 | 655 | 655 | 23 | 241 | - | - | |
| L80 | 13Cr | 0.5 | 552 | 655 | 655 | 23 | 241 | - | - | |
| C90 | 1 | 0.5 | 621 | 724 | 689 | 25.4 | 255 | ≤ 12.70 12.71 to 19.04 19.05 to 25.39 ≥ 25.40 | 3.0 4.0 5.0 6.0 | |
| T95 | 1 | 0.5 | 655 | 758 | 724 | 25.4 | 255 | ≤ 12.70 12.71 to 19.04 19.05 to 25.39 ≥ 25.40 | 3.0 4.0 5.0 6.0 | |
| C110 | - | 0.7 | 758 | 828 | 793 | 30 | 286 | ≤ 12.70 12.71 to 19.04 19.05 to 25.39. ≥ 25.40 | 3.0 4.0 5.0 6.0 | |
| 3 | P110 | - | 0.6 | 758 | 965 | 862 | - | - | - | - |
| 4 | Q125 | 1 | 0.65 | 862 | 1034 | 931 | b | - | ≤ 12.70 12.71 to 19.04 ≥ 19.05 | 3.0 4.0 5.0 |
| OD | Wall | PE # / ft | T&C # / ft | Collar | API Drift | Available Grades |
|---|---|---|---|---|---|---|
| 2.375″ | .190 | 4.44 | 4.7 | EUE, AB MOD |
1.901 | J55, J-FBNAU, N80, L80, P110 |
| 2.875″ | .217 | 6.17 | 6.5 | EUE, AB MOD |
2.347 | J55, J-FBNAU, N80, L80, P110 |
| 3.5″ | .254 | 8.81 | 9.3 | EUE, AB MOD |
2.867 | J55, J-FBNAU, N80, L80, P110 |