Dellok Grade X52 X56 X60 X65 X70 Line Pipe API 5L Carbon Steel Seamless Pipe
About Us
Dellok(YONGHUI Radiating Pipe Manufacturing Co.,Ltd) was established in 2002, which is located in Nanjing, China.We joined HARBIN AIR CONDITIONING CO., LTD. in 2022 and became the most professional industry manufacturer in China. After many years of development, the company now has 66 million yuan in fixed assets, more than 200 employees, and 33 technical staffs. We have 4 aluminum processing production lines, with the annual processing capacity of more than 20,000 tons; And we have 5 tube-drawing production lines; 47 fintube production lines, 1 imported production line from American with the brand of McElroy , with the annual production capacity of 12 million meters the above.
Quality is the theme of eternal pursuit of winner.
-Quality Control-
In order to ensure that the quality exceeds the standard, Dellok(YONGHUI) has perfect product management monitoring equipment in the facility, mainly including advanced equipment such as spectrometer, material testing machine, thermal performance tester, and water pressure and air pressure testing machine, Webster hardness meter and so on.
-Perseverance and trust-
Dellok(YONGHUI) products are widely used in petroleum, chemical, natural gas, metallurgy, electric power, grain and oil machinery, food freezing and automobile industries. High-quality products and perfect after-sales service have been praised, favored and supported by users in China and abroad. Dellok(YONGHUI) promises that we regard customers' needs and opinions as work goals, and serve customers with a conscious behavior and potential consciousness at the base of 100% sincerity, quality, and service. Dellok(YONGHUI) has now developed into a professional manufacturing enterprise integrating scientific research, manufacturing and sales. Dellok(YONGHUI) people will, as always, use advanced high-tech products and dedicated business philosophy to serve the whole society.
Application
1.Pipes for pipelines, water, gas pipes .
2.For chemical engineering, electricity and other projects.
3.Building structure tube.
4.Tubing, casing and oil and gas pipelines, structural tubes, slurry, brine pipelines and other
Size
Related Standard & Specification: API 5CT, ISO 11960, API 5B, GOST
Related Grade: J55, K55, N80, L80-1, L80-9Cr, L80-13Cr, P110, Q125, K55 D10, L80 D10.
Available Approved Marine: ABS / BV / LR / DNV / GL / KR, EN10204 3.2 MTC
Special Service: Sweet Service, Sour Service, Anti-H2S, NACE MR0175/ISO15156
Produce Process: Hot Rolled, Cold Drawn, Hot Expanded.
Accessories: Pup Joint, Coupling (Coupling Stock), Blast Joint, Crossover etc.
Connection: API connection and Premium connection, like TPCQ, HSM etc.
| API Casing | |||||||||||
| Size | Grade and Connection | Standards | |||||||||
| OD mm (in) | WT/mm | H40 | J55 K55 | M65 | L80-1 R95 | N80-1 N80Q | C90 T95 | C110 | P110 | Q125 | |
| 114.3(4.5') | 5.21 | S | S | S | API SPEC 5CT/ISO11960 | ||||||
| 5.69 | S/B | S/B | |||||||||
| 6.35 | S/L/B | L/B | L/B | L/B | L/B | L/B | |||||
| 7.37 | L/B | L/B | L/B | L/B | L/B | ||||||
| 8.56 | L/B | L/B | |||||||||
| 127(5') | 5.59 | S | S | ||||||||
| 6.43 | S/L/B | S/L/B | |||||||||
| 7.52 | S/L/B | L/B | S/L/B | S/L/B | L/B | S/L/B | |||||
| 9.19 | L/B | S/L/B | S/L/B | L/B | S/L/B | L/B | |||||
| 11.1 | L/B | L/B | L/B | L/B | L/B | L/B | |||||
| 12.14 | L/B | L/B | L/B | L/B | L/B | ||||||
| 12.7 | L/B | L/B | L/B | L/B | L/B | ||||||
| 139.7(5.5') | 6.2 | S | S | S | |||||||
| 6.98 | S/L/B | S/L/B | |||||||||
| 7.72 | S/L/B | L/B | S/L/B | S/L/B | L/B | S/L/B | |||||
| 9.17 | L/B | S/L/B | S/L/B | L/B | S/L/B | ||||||
| 10.54 | L/B | S/L/B | S/L/B | L/B | S/L/B | S/L/B | |||||
| 168.28(6.625') | 7.32 | S | S/L/B | S/L/B | |||||||
| 8.94 | S/L/B | L/B | S/L/B | S/L/B | L/B | S/L/B | |||||
| 10.59 | L/B | S/L/B | S/L/B | L/B | S/L/B | ||||||
| 12.06 | S/L/B | S/L/B | L/B | S/L/B | L/B | ||||||
| 177.8(7') | 6.91 | S | S | S | |||||||
| 8.05 | S/L/B | L/B | S/L/B | S/L/B | L/B | ||||||
| 9.19 | L/B | S/L/B | S/L/B | L/B | S/L/B | ||||||
| 10.36 | L/B | S/L/B | S/L/B | L/B | S/L/B | ||||||
| 11.51 | L/B | S/L/B | S/L/B | L/B | S/L/B | ||||||
| 12.65 | S/L/B | S/L/B | L/B | S/L/B | S/L/B | ||||||
| 13.72 | S/L/B | S/L/B | L/B | S/L/B | S/L/B | ||||||
| 193.68(7.625') | 8.33 | S/L/B | S/L/B | L/B | L/B | L/B | |||||
| 9.52 | L/B | L/B | L/B | L/B | L/B | ||||||
| 10.92 | L/B | L/B | L/B | L/B | L/B | ||||||
| 12.7 | L/B | L/B | L/B | L/B | L/B | ||||||
| 14.27 | L/B | L/B | L/B | L/B | L/B | ||||||
| 15.11 | L/B | L/B | L/B | L/B | L/B | ||||||
| 15.88 | L/B | L/B | L/B | L/B | L/B | ||||||
| 219.08(8.625') | 6.71 | S | S | S | |||||||
| 7.72 | S | S/L/B | S | ||||||||
| 8.94 | S | S/L/B | S/L/B | ||||||||
| 10.16 | S/L/B | L/B | L/B | L/B | L/B | ||||||
| 11.43 | L/B | L/B | L/B | L/B | L/B | ||||||
| 12.7 | L/B | L/B | L/B | L/B | |||||||
| 14.15 | L/B | L/B | L/B | L/B | L/B | ||||||
| 244.48(9.625') | 8.94 | S | S/L/B | S/L/B | |||||||
| 10.03 | S/L/B | S/L/B | L/B | L/B | L/B | L/B | |||||
| 11.05 | L/B | L/B | L/B | L/B | L/B | ||||||
| 11.99 | L/B | L/B | L/B | L/B | L/B | L/B | |||||
| 13.84 | L/B | L/B | L/B | L/B | L/B | ||||||
| 15.11 | L/B | L/B | L/B | L/B | |||||||
| 273.05(10.75') | 8.89 | S/B | S/B | ||||||||
| 10.16 | S/B | S/B | S/B | ||||||||
| 11.43 | S/B | S/B | S/B | S/B | S/B | S/B | S/B | ||||
| 12.57 | S/B | S/B | S/B | S/B | |||||||
| 13.84 | S/B | S/B | S/B | ||||||||
| 15.11 | S/B | S/B | S/B | ||||||||
| 298.45(11.75') | 9.65 | ||||||||||
| 10.92 | |||||||||||
| 12.19 | S/B | S/B | |||||||||
| 13.06 | S/B | S/B | S/B | ||||||||
| 339.72(13.375') | 8.38 | S | |||||||||
| 9.65 | S/B | S/B | |||||||||
| 10.92 | S/B | S/B | |||||||||
| 12.19 | S/B | S/B | S/B | S/B | S/B | ||||||
| 13.06 | S/B | S/B | S/B | S/B | S/B | ||||||
| 406.4(16') | 16.66 | ||||||||||
| 508(20') | 16.13 | S/L/B | |||||||||
| Note: S-SC;L-LC;B-BC. | |||||||||||
| API Tubing | |||||||||||
| Size | Grade and Connection | Standards | |||||||||
| OD mm (in) | WT/mm | H40 | J55 | L80-1 R95 | N80-1 N80Q | C90 | T95 | P110 | |||
| 42.16(1.66') | 3.18 | API SPEC 5CT/ISO11960 | |||||||||
| 3.56 | N/U | N/U | N/U | N/U | N/U | N/U | |||||
| 4.85 | U | U | U | U | U | U | U | ||||
| 48.26(1.9') | 3.18 | N/U | N/U | N/U | N/U | N/U | N/U | ||||
| 3.68 | N/U | N/U | N/U | N/U | N/U | N/U | |||||
| 5.08 | U | U | U | U | U | U | U | ||||
| 6.35 | |||||||||||
| 7.62 | |||||||||||
| 60.32(2.375') | 4.24 | ||||||||||
| 4.83 | |||||||||||
| 6.45 | |||||||||||
| 7.49 | |||||||||||
| 8.53 | |||||||||||
| 73.02(2.875') | 5.51 | N/U | N/U | N/U | N/U | N/U | N/U | N/U | |||
| 7.01 | N/U | N/U | N/U | N/U | N/U | ||||||
| 7.82 | N/U | N/U | N/U | N/U | N/U | ||||||
| 8.64 | U | U | |||||||||
| 9.96 | |||||||||||
| 11.18 | U | N | N | N | N | N | |||||
| 88.9(3.5') | 5.49 | ||||||||||
| 6.45 | N/U | N/U | N/U | N/U | N/U | N/U | N/U | ||||
| 7.34 | N | N | N | N | N | N | |||||
| 9.52 | N/U | N/U | N/U | N/U | N/U | ||||||
| 10.92 | |||||||||||
| 12.09 | |||||||||||
| 13.46 | |||||||||||
| 101.6(4') | 5.74 | N | N | N | N | N | N | N | |||
| 6.65 | U | U | U | U | U | U | U | ||||
| 8.38 | |||||||||||
| 10.54 | |||||||||||
| 12.7 | |||||||||||
| 15.49 | |||||||||||
| 114.3(4.5') | 6.88 | N/U | N/U | N/U | N/U | N/U | N/U | N/U | |||
| 8.56 | |||||||||||
| 9.65 | |||||||||||
| 10.92 | |||||||||||
| 12.7 | |||||||||||
| 14.22 | |||||||||||
| 16 | |||||||||||
| Note: N-NU; U-EU. | |||||||||||
| Chemical Analysis(%) For Part Standard | ||||||||||||||||
| Standard | Class | Grade | Type | C | Mn | Mo | Cr | Ni | Cu | P | S | Si | ||||
| min | max | min | max | min | max | min | max | max | max | max | max | max | ||||
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | |
| API 5CT | 1 | H40 | - | - | - | - | - | - | - | - | - | - | 0.03 | 0.03 | - | |
| J55 | - | - | - | - | - | - | - | - | - | - | 0.03 | 0.03 | - | |||
| K55 | - | - | - | - | - | - | - | - | - | - | 0.03 | 0.03 | - | |||
| N80 | 1 | - | - | - | - | - | - | - | - | - | 0.03 | 0.03 | - | |||
| N80 | Q | - | - | - | - | - | - | - | - | - | 0.03 | 0.03 | - | |||
| 2 | M65 | - | - | - | - | - | - | - | - | - | - | 0.03 | 0.03 | - | ||
| L80 | 1 | - | 0.43 | - | 1.9 | - | - | - | - | 0.25 | 0.35 | 0.03 | 0.03 | 0.45 | ||
| L80 | 9Cr | - | 0.15 | 0.3 | 0.6 | 0.9 | 1.1 | 8 | 10 | 0.5 | 0.25 | 0.02 | 0.01 | 1 | ||
| L80 | 13Cr | 0.15 | 0.22 | 0.25 | 1 | - | - | 12 | 14 | 0.5 | 0.25 | 0.02 | 0.01 | 1 | ||
| C90 | 1 | - | 0.35 | - | 1.2 | 0.25 | 0.85 | - | 1.5 | 0.99 | - | 0.02 | 0.01 | - | ||
| C90 | 2 | - | 0.5 | - | 1.9 | - | NL | - | NL | 0.99 | - | 0.03 | 0.01 | - | ||
| C95 | - | - | 0.45 | - | 1.9 | - | - | - | - | - | - | 0.03 | 0.03 | 0.45 | ||
| T95 | 1 | - | 0.35 | - | 1.2 | 0.25 | 0.85 | 0.4 | 1.5 | 0.99 | - | 0.02 | 0.01 | - | ||
| T95 | 2 | - | 0.5 | - | 1.9 | - | - | - | - | 0.99 | - | 0.03 | 0.01 | - | ||
| 3 | P110 | - | - | - | - | - | - | - | - | - | 0.03 | 0.03 | - | |||
| 4 | Q125 | 1 | - | 0.35 | - | 1.35 | - | 0.85 | - | 1.5 | 0.99 | - | 0.02 | 0.01 | - | |
| Q125 | 2 | - | 0.35 | - | 1 | - | NL | - | NL | 0.99 | - | 0.02 | 0.02 | - | ||
| Q125 | 3 | - | 0.5 | - | 1.9 | - | NL | - | NL | 0.99 | - | 0.03 | 0.01 | - | ||
| Q125 | 4 | - | 0.5 | - | 1.9 | - | NL | - | NL | 0.99 | - | 0.03 | 0.02 | - | ||
| Tensile Property For Part Standard | |||||||||||
| Standard | Class | Grade | Type | Elongation(%) | Yield Strengh(Mpa) | Tensile Strengh(Mpa) | Hardness(Max) | Required WT | Allowed Tolerance of Hardness | ||
| Min | Max | Min | HRC | HBW/- | mm | HRC | |||||
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | |
| API 5CT | 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 | - | - | - | - | ||
| 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 | 1,2 | 0.5 | 621 | 724 | 689 | 25.4 | 255 | ≤12.70 | 3 | ||
| C90 | 1,2 | 0.5 | 621 | 724 | 689 | 25.4 | 255 | 12.71~19.04 | 4 | ||
| C90 | 1,2 | 0.5 | 621 | 724 | 689 | 25.4 | 255 | 19.05~25.39 | 5 | ||
| C90 | 1,2 | 0.5 | 621 | 724 | 689 | 25.4 | 255 | ≥25.40 | 6 | ||
| C95 | - | 0.5 | 655 | 758 | 724 | - | - | - | - | ||
| T95 | 1,2 | 0.5 | 655 | 758 | 724 | 25.4 | 255 | ≤12.70 | 3 | ||
| T95 | 1,2 | 0.5 | 655 | 758 | 724 | 25.4 | 255 | 12.71~19.04 | 4 | ||
| T95 | 1,2 | 0.5 | 655 | 758 | 724 | 25.4 | 255 | 19.05~25.39 | 5 | ||
| T95 | 1,2 | 0.5 | 655 | 758 | 724 | 25.4 | 255 | ≥25.40 | 6 | ||
| 3 | P110 | - | 0.6 | 758 | 965 | 862 | - | - | - | - | |
| 4 | Q125 | 1~4 | 0.65 | 862 | 1034 | 931 | - | - | ≤12.70 | 3 | |
| Q125 | 1~4 | 0.65 | 862 | 1034 | 931 | - | - | 12.71~19.04 | 4 | ||
| Q125 | 1~4 | 0.65 | 862 | 1034 | 931 | - | - | ≥19.05 | 5 | ||
FAQ
Q: Can provide OEM/ODM service?
A: Yes. Please feel free to contact us for more details discuss.
Q: How is your Payment Term?
A:One is 30% deposit by TT before production and 70% balance against copy of B/L; the other is Irrevocable L/C 100% at sight.
Q: Can we visit your factory?
A: Warmly welcome. Once we have your schedule, we will arrange the professional sales team to follow up your case.
