API 5DP X95 oil and gas drill pipe for well drilling 4 1/2″ EU Grade X
ASTM/ASME A53/SA53 GR.B STD Seamless and Welded steel pipes
March 28, 2017
API Spec 5CT OCTG Pipe Couplings, EUE Tubing Pipe
March 30, 2017
1, Name:API 5DP drill pipe
2, Length:R1,R2,R3
3, OD: from 2-3/8″ to 6-5/8″
4, Grade:G105,R780,S135,E75,X95
Chemical Composition(%) of API 5DP:
| Grade | Chemical composition | |
| P | S | |
| E75 | <0.015 | <0.003 |
| X95 | <0.015 | <0.003 |
| G105 | <0.015 | <0.003 |
| S135 | <0.015 | <0.003 |
| Tool joint | <0.015 | <0.003 |
Mechanical Properties of API 5DP:
| Pipe body | Grade | Yield strength | Tensile strength | Elongation | Hardness | Full size charpy impact test(J) | ||||||
| min | max | min | min | |||||||||
| Psi | MPa | Psi | MPa | Psi | MPa | HBW | HRC | Average | Single | |||
| E75 | 75000 | 517 | 105000 | 724 | 100000 | 689 | 625000A0.2/U0.9 | – | – | 80 | 65 | |
| X95 | 95000 | 655 | 125000 | 862 | 105000 | 724 | – | – | 80 | 65 | ||
| G105 | 105000 | 724 | 135000 | 931 | 115000 | 793 | – | – | 80 | 65 | ||
| S135 | 135000 | 931 | 165000 | 1138 | 145000 | 1000 | – | – | 80 | 65 | ||
| Weld zone | Tool joint | 120000 | 827.4 | – | – | 140000 | 965.3 | =13% | =285 | – | 80 | 65 |
| E75 | 75000 | 517 | – | – | 100000 | 689 | – | ?37 | 40 | 27 | ||
| X95 | 88000 | 609 | – | – | 103000 | 712 | – | ?37 | 40 | 27 | ||
| G105 | 95000 | 655 | – | – | 105000 | 724 | – | ?37 | 40 | 27 | ||
| S135 | 105000 | 724 | – | – | 115000 | ?37 | 40 | 27 | ||||
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