API 5CT Tubing/ Oil Tubing/ Oil Pipeline/ Petroleum Tubing
1) Size: O. D. 1.900", 2-3/8", 2-7/8", 3-1/2", 4-1/2" (EUE/NUE)
2) Steel Grade: J55, K55, N80, L80, C90, T95, P110
3) Wall Thickness: 3.18 -16 mm
4) Length: R1, R2, R3
5) Thread: 8RD, 10RD
Certificate, Standard&Logo: API 5CT
Product: API 5CT oil casing pipe
Material: H40.J55.K55.N80.C75.L80.C90.T95.P110.Q125
OD: 114.3mm to 508mm
Wall thickness: 5.12mm to 16.13mm
length: R1(4.86-7.62M). R2(7.62-10.36M). R3(10.36-13Meters)
Thread: STC.BTC.LTC
STANDARD: API 5CT
Technical: Hot Rolled
Type: Seamless alloy API pipe
Surface treatment: blank oil painting+green/red/white/brown painting
Packing: 3tons in a bundle packed by steel strip
Third party inspection: BV_SGS_ISO
Usage: oil pipeline, oil natural gas, industrial gas, water transportation
| Grade | Mfg.Process | Technique | C | Si | Mn | P | S | Ni | Cr | Mo | Others |
| J55 | SMLS | Hot rolled/Cold drawn | - | - | - | 0.030 | 0.030 | - | - | - | - |
| N80 | - | - | - | 0.030 | 0.030 | - | - | - | - | ||
| K55 | - | - | - | 0.030 | 0.030 | - | - | - | - | ||
| L80 | 0.43 | 0.45 | 1.90 | 0.030 | 0.030 | 0.25 | - | - | Cu 0.25 | ||
| P-110 | - | - | - | 0.030 | 0.030 | - | - | - | - | ||
| C90 | 0.35 | - | 1.00 | 0.20 | 0.010 | 0.99 | 1.20 | 0.75 | - | ||
| C95 | 0.45 | 0.45 | 1.90 | 0.030 | 0.030 | - | - | - | - | ||
| T95 | 0.35 | - | 1.20 | 0.20 | 0.010 | 0.99 | 0.40~1.50 | 0.25~0.85 | - |
Mechanical Properties:
| Grade | Test Min MPa or N/mm2 | |
| Yield point | Tenslie Strength | |
| J55 | 379~552 | 517 |
| N80 | 552~758 | 689 |
| K55 | 379~552 | 655 |
| L80 | 522~655 | 655 |
| P-110 | 758~965 | 862 |
| C90 | 620-724 | 690 |
| C95 | 655~758 | 724 |
| T95 | 655~758 | 724 |
| Size in | Weight | Outer Diameter | Wall Thickness | Type of End | ||||||||
| Grade | ||||||||||||
| T&C Non-Upset | T&C External Upset | in | mm | in | mm | J55 K55 | L80 | N80 | C90 | T95 | P110 | |
| 1.900 | 2.40 | - | 1.900 | 48.26 | 0.125 | 3.18 | PI | - | - | - | - | - |
| 2.75 | 2.90 | 0.145 | 3.68 | PNUI | PNUI | PNUI | PNUI | PNUI | - | |||
| 3.65 | 3.73 | 0.200 | 5.08 | PU | PU | PU | PU | PU | PU | |||
| 4.42 | - | 0.250 | 6.35 | - | P | - | P | P | - | |||
| 5.15 | - | 0.300 | 7.62 | - | P | - | P | P | - | |||
| 2 3/8 | 4.00 | - | 2.375 | 60.3 | 0.167 | 4.24 | PN | PN | PN | PN | PN | - |
| 4.00 | 4.70 | 0.190 | 4.83 | PNU | PNU | PNU | PNU | PNU | PNU | |||
| 5.80 | 5.95 | 0.254 | 6.45 | - | PNU | PNU | PNU | PNU | PNU | |||
| 6.60 | - | 0.259 | 7.49 | P | P | P | P | P | - | |||
| 7.35 | 7.45 | 0.336 | 8.53 | PU | PU | PU | PU | PU | - | |||
| 2 7/8 | 6.40 | 6.50 | 2.875 | 73.02 | 0.217 | 5.51 | PNU | PNU | PNU | PNU | PNU | PNU |
| 7.80 | 7.90 | 0.276 | 7.01 | - | PNU | PNU | PNU | PNU | PNU | |||
| 8.60 | 8.70 | 0.308 | 7.82 | - | PNU | PNU | PNU | PNU | PNU | |||
| 9.35 | 9.45 | 0.340 | 8.64 | - | PU | - | PU | PU | - | |||
| 10.50 | - | 0.392 | 9.96 | - | P | - | P | P | - | |||
| 11.50 | - | 0.440 | 11.18 | - | P | - | P | P | - | |||
| 3 1/2 | 7.70 | - | 3.500 | 88.9 | 0.216 | 5.49 | PN | PN | PN | PN | PN | - |
| 9.20 | 9.30 | 0.254 | 6.45 | PUN | PUN | PUN | PNU | PNU | PUN | |||
| 10.20 | - | 0.289 | 7.34 | PN | PN | PN | PN | PN | - | |||
| 12.70 | 12.95 | 0.375 | 9.53 | - | PUN | PUN | PNU | PNU | PUN | |||
| 14.30 | - | 0.430 | 10.92 | - | P | - | P | P | - | |||
| 15.50 | - | 0.476 | 12.00 | - | P | - | P | P | - | |||
| 17.00 | - | 0.530 | 13.46 | - | P | - | P | P | - | |||
| 4 | 9.50 | - | 4.00 | 101.6 | 0.226 | 5.74 | PN | PN | PN | PN | PN | PN |
| 10.70 | 11.00 | 0.262 | 6.65 | PU | PU | PU | PU | PU | PU | |||
| 4 1/2 | 12.60 | 12.75 | 4.500 | 114.3 | 0.271 | 6.88 | PNU | PNU | PNU | PNU | PNU | - |
| 15.20 | - | 0.337 | 8.56 | - | P | - | P | P | - | |||
| 17.00 | - | 0.380 | 9.65 | - | P | - | P | P | - | |||
| 18.90 | - | 0.430 | 10.92 | - | P | - | P | P | - | |||
| 21.50 | - | 0.500 | 12.70 | - | P | - | P | P | - | |||
| 23.70 | - | 0.560 | 14.22 | - | P | - | P | P | - | |||
| 26.10 | - | 0.630 | 16.00 | - | P | - | P | P | - | |||
Cangzhou Qiancheng Steel-Pipe Co., Ltd. is located in Yanshan County of Hebei Province. As one of the largest scale enterprises in North China, our company specializes in producing steel pipes and pipe fittings. We are only 200km away from Tianjin City, enjoying convenient transportation.
Our company covers an area of 80,000 square meters and has total assets of 90 million RMB. There are 360 staff members, including 80 technicians. We have established an effective and complete quality control and assurance system. In 2003, our company attained ISO9001 Quality System certification. We control product quality in accordance with API 5L and API 5CT standards.
Our company is equipped with sophisticated manufacturing and testing equipment, including X-ray detectors, ultrasonic wave detectors, hydrostatic testers, tension testers, metallurgical analyzers and a physical & chemical lab. These equipment and technology guarantee that production and testing processes comply with relevant standards. Our products can meet customers' requirements doubtlessly.
Our main products include seamless steel pipes, hot-finished pipes, stainless steel pipes,elbow,reducer, flange,cap,TEE and supporting tubing. They sell well not only in thermal power, chemical engineering and electric power markets in China, but also in the USA, Italy, Germany, Malaysia, Thailand, South Korea, Kuwait, Czech, Indonesia, Hong Kong, India, Iran, Singapore and other countries and regions.
With powerful financial strength, advanced managerial concept, excellent marketing service, strict quality control system and integrated marketing team, we would like to develop together with you hand in hand. Adhering to the operation principle of "faith first and clients foremost", we always supply high quality products, complete after-sales service and favorable prices. We sincerely hope to establish long-term cooperation with you on the basis of mutual benefits, reciprocity and common development.
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