


Standards and Technical Conditions for Supply:API Spec 5CT  ISO13680
Uses:Tubing is used for extracting oil or gas from wells.
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Threeway Steel Co., Ltd
E-mail: sales@srtsteelpipe.com
Address: 22nd Floor, Royal Wing Tower, Long Champ International Building, No.9 Xiangfu Road, Changsha, Hunan, China, PC: 410116Phone:0086-731-8873-9521
	Seamless steel pipe oil tubing
 
Dimension:
| Label | D Outside diameter mm | Wall thickness t mm | C Type of end-finish | ||||||||||
| 1 | 2 | ||||||||||||
| NU T&C | EU T&C | IJ | |||||||||||
| H40 | J55 | L80 | N80 1?Q? | C90 | T95 | P110 | |||||||
| 1 | 2 | 3 | 4 | 5 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | |
| 1.9 | 2.75 | 2.9 | 2.76 | 48.26 | 3.68 | PNUI | PNUI | PNUI | PNUI | PNUI | PNUI | - | |
| 1.9 | 3.65 | 3.73 | - | 48.26 | 5.08 | PU | PU | PU | PU | PU | PU | PU | |
| 1.9 | 4.42 | - | - | 48.26 | 6.35 | - | - | P | - | P | P | - | |
| 2 3/8 | 4 | - | - | 60.32 | 4.24 | PU | PN | PN | PN | PN | PN | - | |
| 2 3/8 | 4.6 | 4.7 | - | 60.32 | 4.83 | PNU | PNU | PNU | PNU | PNU | PNU | PNU | |
| 2 3/8 | 5.8 | 5.95 | - | 60.32 | 6.45 | - | - | PNU | PNU | PNU | PNU | PNU | |
| 2 3/8 | 6.6 | - | - | 60.32 | 7.49 | - | - | P | - | P | P | - | |
| 2 3/8 | 7.35 | 7.45 | - | 60.32 | 8.53 | - | - | PU | - | PU | PU | - | |
| 2 7/8 | 6.4 | 6.5 | - | 73.02 | 5.51 | PNU | PNU | PNU | PNU | PNU | PNU | PNU | |
| 2 7/8 | 7.8 | 7.9 | - | 73.02 | 7.01 | - | - | PNU | PNU | PNU | PNU | PNU | |
| 2 7/8 | 8.6 | 8.7 | - | 73.02 | 7.82 | - | - | PNU | PNU | PNU | PNU | PNU | |
| 2 7/8 | 9.35 | 9.45 | - | 73.02 | 8.64 | - | - | PU | - | PU | PU | - | |
| 2 7/8 | 10.5 | - | - | 73.02 | 9.96 | - | - | P | - | P | P | - | |
| 3 1/2 | 7.7 | - | - | 88.9 | 5.49 | PN | PN | PN | PN | PN | PN | - | |
| 3 1/2 | 9.2 | 9.3 | - | 88.9 | 6.45 | PNU | PNU | PNU | PNU | PNU | PNU | PNU | |
| 3 1/2 | 10.2 | - | - | 88.9 | 7.34 | PN | PN | PN | PN | PN | PN | - | |
| 3 1/2 | 12.7 | 12.95 | - | 88.9 | 9.52 | - | - | PNU | PNU | PNU | PNU | PNU | |
| 3 1/2 | 14.3 | - | - | 88.9 | 10.92 | - | - | P | - | P | P | - | |
| 3 1/2 | 15.5 | - | - | 88.9 | 12.09 | - | - | P | - | P | P | - | |
| 4 | 9.5 | - | - | 101.6 | 5.74 | PN | PN | PN | PN | PN | PN | - | |
| 4 | 10.7 | 11 | - | 101.6 | 6.65 | PU | PU | PU | PU | PU | PU | - | |
| 4 | 13.2 | - | - | 101.6 | 8.38 | - | - | P | - | P | P | - | |
| 4 | 16.1 | - | - | 101.6 | 10.54 | - | - | P | - | P | P | - | |
| 4 1/2 | 12.6 | 12.75 | - | 114.3 | 6.88 | PNU | PNU | PNU | PNU | PNU | PNU | - | |
| 4 1/2 | 15.2 | - | - | 114.3 | 8.56 | - | - | P | - | P | P | - | |
	
Mechanical Properties:
	
| Group | Grade | Type | Total elongation under load % | Yield strength Mpa | Tensile strength min MPa | Hardness max | ||
| min | max | HRC | HBW | |||||
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 
| 2 | 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 | - | - | |
| 3 | 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?2 | 0.5 | 621 | 724 | 689 | 25.4 | 255 | |
| C95 | - | 0.5 | 655 | 758 | 724 | - | - | |
| T95 | 1?2 | 0.5 | 655 | 758 | 724 | 25.4 | 255 | |
| P110 | - | 0.6 | 758 | 965 | 862 | - | - | |
| 4 | Q125 | All | 0.65 | 862 | 1034 | 931 | - | - | 
| OD/mm | WT/mm | |||||||||||||||||||||||||||||||||||||
| 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | 31 | 32 | 33 | 34 | 35 | 36 | 37 | 38 | 39 | 40 | |
| 21.3 | √ | √ | √ | √ | √ | |||||||||||||||||||||||||||||||||
| 26.7 | √ | √ | √ | √ | √ | √ | ||||||||||||||||||||||||||||||||
| 33.4 | √ | √ | √ | √ | √ | √ | ||||||||||||||||||||||||||||||||
| 48.3 | √ | √ | √ | √ | √ | √ | √ | √ | ||||||||||||||||||||||||||||||
| 60.3 | √ | √ | √ | √ | √ | √ | √ | √ | ||||||||||||||||||||||||||||||
| 73 | √ | √ | √ | √ | √ | √ | √ | √ | √ | √ | ||||||||||||||||||||||||||||
| 88.9 | √ | √ | √ | √ | √ | √ | √ | √ | √ | √ | √ | |||||||||||||||||||||||||||
| 114.3 | √ | √ | √ | √ | √ | √ | √ | √ | √ | √ | √ | √ | ||||||||||||||||||||||||||
| 168.3 | √ | √ | √ | √ | √ | √ | √ | √ | √ | √ | √ | √ | √ | √ | √ | √ | ||||||||||||||||||||||
| 219.1 | √ | √ | √ | √ | √ | √ | √ | √ | √ | √ | √ | √ | √ | √ | √ | √ | √ | √ | ||||||||||||||||||||
| 273.1 | √ | √ | √ | √ | √ | √ | √ | √ | √ | √ | √ | √ | √ | √ | √ | √ | √ | √ | √ | √ | ||||||||||||||||||
| 323.3 | √ | √ | √ | √ | √ | √ | √ | √ | √ | √ | √ | √ | √ | √ | √ | √ | √ | √ | √ | √ | √ | √ | √ | √ | √ | √ | √ | |||||||||||
| 355.6 | √ | √ | √ | √ | √ | √ | √ | √ | √ | √ | √ | √ | √ | √ | √ | √ | √ | √ | √ | √ | √ | √ | √ | √ | √ | √ | √ | √ | √ | |||||||||
| 406.4 | √ | √ | √ | √ | √ | √ | √ | √ | √ | √ | √ | √ | √ | √ | √ | √ | √ | √ | √ | √ | √ | √ | √ | √ | √ | √ | √ | √ | √ | √ | √ | √ | ||||||
| 457.2 | √ | √ | √ | √ | √ | √ | √ | √ | √ | √ | √ | √ | √ | √ | √ | √ | √ | √ | √ | √ | √ | √ | √ | √ | √ | √ | √ | √ | √ | √ | √ | √ | ||||||
| 508 | √ | √ | √ | √ | √ | √ | √ | √ | √ | √ | √ | √ | √ | √ | √ | √ | √ | √ | √ | √ | √ | √ | √ | √ | √ | √ | √ | √ | √ | √ | √ | √ | ||||||
| 609.6 | √ | √ | √ | √ | √ | √ | √ | √ | √ | √ | √ | √ | √ | √ | √ | √ | √ | √ | √ | √ | √ | √ | √ | √ | √ | √ | √ | √ | √ | √ | √ | |||||||
| 660.4 | √ | √ | √ | √ | √ | √ | √ | √ | √ | √ | √ | √ | √ | √ | √ | √ | √ | √ | √ | √ | √ | √ | √ | √ | √ | √ | √ | √ | √ | √ | √ | |||||||
| 711.2 | √ | √ | √ | √ | √ | √ | √ | √ | √ | √ | √ | √ | √ | √ | √ | √ | √ | √ | √ | √ | √ | √ | √ | √ | √ | √ | √ | √ | √ | √ | ||||||||
| 762 | √ | √ | √ | √ | √ | √ | √ | √ | √ | √ | √ | √ | √ | √ | √ | √ | √ | √ | √ | √ | √ | √ | √ | √ | √ | √ | √ | √ | √ | √ | ||||||||