Video
Petroleum and natural gas industries-Steel pipe for pipeline transportation systems
| Product material | A/B/X42/X46/X52 |
| Product specification | |
| Product applied standard | API 5L |
| Delivery status | |
| Finished products package | Steel belt hexagonal package/plastic film/woven bag/sling package |
Product Manufacturing Process
Tube blank
Inspection (spectral detection, surface inspection, dimensional inspection, and macro examination)
Sawing
Perforation
Thermal inspection
Pickling
Grinding inspection
Pickling
Lubrication
Cold drawing
Lubrication
Cold-drawing (the addition of cycled processes such as heat treatment, pickling and cold drawing should be subject to the specific specifications)
Normalization
Performance test (mechanical property, impact property, hardness, flattening, flaring, and flanging)
Straightening
Tube cutting
Non-destructive testing (eddy current, and ultrasonic)
Spectral detection
Drift diameter
Hydrostatic test
Groove
Product inspection
Packaging
Warehousing
Product Manufacturing Equipment
Shearing machine/sawing machine, walking beam furnace, perforator, high-precision cold-drawing machine, heat-treated furnace, and straightening machine
Product Testing Equipment
Outside micrometer, tube micrometer, dial bore gage, vernier caliper, chemical composition detector, spectral detector, tensile testing machine, Rockwell hardness tester, impact testing machine, eddy current flaw detector, ultrasonic flaw detector, and hydrostatic testing machine
Product Applications
Pipeline transmission in oil and gas industry
Seamless steel tubes
Seamless steel tubes for general use are also supplied according to chemical composition and mechanical properties and hydrotesting. Seamless steel tubes subjected to fluid pressure should pass the hydraulic test. Special Liaocheng seamless steel pipe for boiler, geological exploration, bearing, acid resistance, etc.
Such as petroleum geological drilling tubes, petrochemical cracking tubes, boiler tubes, bearing tubes, automotive, tractor, aviation high-precision structural steel tubes.
Testing：
1．Observe the logo, specification, factory name and related information on the steel pipe.
2. Check the quality certificate provided by the seamless steel pipe manufacturer.
3．When buying seamless steel pipe, observe whether there are cracks, scars and other hard injuries on the surface of the steel pipe.
4. Observe whether the paint on the surface of the seamless steel pipe is even.
5. In order to avoid purchasing inferior products, try to purchase products from large and well-known brand companies.
Package of carbon steel seamless pipe
Plastic caps plugged at the two sides of pipe ends
Should be avoided by the steel strapping and transport damage
Bundled sians should be uniform and consistent
The same bundle(batch) of steel pipe should be came from the same furnace
The steel pipe has the same furnace number,the same steel gradethe same specification
