Seamless pipe- China TUSPIPE smls pipe Manufacturer
TUSPIPE manufactures seamless carbon steel pipes in strict compliance with international and regional standards, including ASTM A53 and API 5L. We offer seamless carbon steel tubes with wall thicknesses ranging from 1 mm to 100 mm, complemented by custom sizing services. Leveraging extensive industry expertise, we deliver optimal quality seamless pipes tailored to your project requirements.
Tubo sem costura
SMLS pipe stands for tubo de aço sem costura. This carbon steel pipe is a kind of pipe that is extruded or rolled in one piece and has no welded joints and welding points. Seamless steel pipe because of its no weld manufacturing process, can greatly reduce the stress, which also creates its uniform wall thickness, the overall strength of high characteristics, so seamless steel pipe is very suitable for high temperature and high pressure environment, as well as corrosive environment applications.
SEAMLESS PIPE SPECIFICATION
TUSPIPE is a Chinese steel pipe manufacturer with over 20 years of experience. We operate three production lines, primarily SMLS steel pipe. TUSPIPE utilizes advanced resistance welding lines sourced from Germany, and our steel pipe production adheres strictly to international standards. The following are just a few of the sizes we produce. For a complete list of standards, please visit our product and standards pages, or email us for inquiries.
| Content | Classificação | Parameters |
| Definition | Hot-rolled | Suitable for DN15-600mm |
| Cold-drawn | Accuracy ±0.05mm, suitable for precision machinery | |
| Extrusion | Specialized for high-temperature resistant alloy tubes | |
| Dimension | Faixa de diâmetro | Hot-rolled (21.3-630mm) |
| Cold-drawn (6-325mm) | ||
| Espessura da parede | Hot-rolled (2.0-75mm) | |
| Cold-drawn (0.5-50mm) | ||
| Comprimento | Lengths 1-12 meters, customizable | |
| Tolerância | OD ±0.75% (cold-drawn tube) | |
| Material | Aço carbono | 10#-45#, 20G (boiler tube), 16Mn |
| Aço inoxidável | 304/316L (ASTM A312 TP316L) | |
| Alloys | P91 (ASME SA335) | |
| Testes | Nondestructive Testing | 100% ultrasonic flaw detection, magnetic flux leakage testing |
| Hydraulic Pressure Testing | Hydraulic pressure test ≥1.5 times the design pressure |
Seamless pipe has a very comprehensive range of specifications and sizes. The dimensions of these seamless steel pipes include nominal diameter, outer diameter, wall thickness, length and other aspects. Tuspipe offers seamless steel pipes that can also be customized to your project. Whether it is a large structural pipe or a small component, you can meet the size needs of your pipe.
Among them, wall thickness is a very important dimension parameter in the selection of steel pipes. The use of seamless steel pipes with different wall thicknesses is also very different. The wall thickness of seamless steel pipes usually ranges from 1 mm to 100 mm.
Common wall thickness specifications can be divided into the following three types:
- Thin-walled seamless steel pipe: usually 1 mm to 4 mm.
- Medium thickness seamless steel pipe: usually 5 mm to 10 mm.
- Thick wall seamless steel pipe: usually 12 mm to 30 mm, 30 mm and above.
SMLS PIPE STANDARDS
Seamless Pipes are manufactured in strict accordance with standards issued by several national and regional standardization organizations.
The following are some common seamless steel pipe standards and extreme requirements. Commonly used seamless steel pipe types: API 5CT/ ASTM A106/ ASTM A179/ ASTM A333/ ASTM A53/ EN 10255/ JIS G3444/ JIS G3454/ASTM A511 and so on.
ASTM A53
Carbon steel tubes for use in low pressure environments. Grade A and Grade B are the most common grades.
API 5L
Commonly used in the oil and gas industry. The two common grades are PSL1 and PSL2.
EN 10219
Seamless steel tubes for pressure vessels and piping systems. The two most common grades are P235TR1 and P265TR1.
SMLS PIPE SPPLICATION AREA
Seamless steel pipe has a very wide range of application markets, in the selection of seamless pipe, it is necessary to choose according to the environmental conditions of the project and the performance requirements of the pipe.
- Aerospace: ASTM B241 6061 Seamless steel pipe for light weight and high strength.
- Setor de petróleo e gás: API 5L seamless steel pipes are often used in pipe systems such as drill tubes.
- Reactor piping: ASTM A312 316L seamless steel pipe has good resistance to high temperature and corrosion.