Seamless Fluid Pipe
Seamless tubes are integral components in industries requiring
efficient and reliable fluid transport. Manufactured without any
welded seams, these tubes are produced through an extrusion or
rotary piercing process, resulting in a uniform structure that
enhances their strength and durability.
Standards:
GB/T8163 —— China national standards
Uses:
For the seamless steel pipes for transmission of fluids
Steel pipes No. of main production:
10,20,Q345 ect.
Dimensional tolerance:
| Pipe types | Outer-caliber(D) | Thickness(S) |
| Pipe outer-caliber(mm) | Allowable warp(mm) | Pipe thickness(mm) | Allowable warp(mm) |
| Hot-rolled pipes | ＞219 | ±1.0％ | ＞20 | ±10％ |
Mechanical Properties:
| Standards | Steel pipes No. | Tensile strength(MPa) | Bend strength(MPa) | Elongation(％) |
| GB/T8163 | 10 | 335～475 | ≥205 | ≥24 |
| 20 | 410～550 | ≥245 | ≥20 |
| Q345 | 490～665 | ≥325 | ≥21 |
Chemical composition:
| Standards | Steel pipes No. | Chemical composition(％) |
| C | Si | Mn | P | S | Cr | Ni | Cu |
| GB/T8163 | 10 | 0.07～0.14 | 0.17～0.37 | 0.35～0.65 | ≤0.035 | ≤0.035 | ≤0.15 | ≤0.25 | ≤0.25 |
| 20 | 0.17～0.24 | 0.17～0.37 | 0.35～0.65 | ≤0.035 | ≤0.035 | ≤0.25 | ≤0.25 | ≤0.25 |
| Q345 | 0.12～0.20 | 0.20～0.55 | 1.20～1.60 | ≤0.045 | ≤0.045 | / | / | / |
Seamless Tubes for Fluid Transport:
Seamless tubes are integral components in industries requiring
efficient and reliable fluid transport. Manufactured without any
welded seams, these tubes are produced through an extrusion or
rotary piercing process, resulting in a uniform structure that
enhances their strength and durability.
Advantages:
- High Pressure Resistance: The absence of welds eliminates weak
points, making seamless tubes ideal for high-pressure applications.
- Superior Corrosion Resistance: Uniform material composition ensures
better resistance to corrosive fluids and environments.
- Consistent Flow Characteristics: Smooth internal surfaces minimize
friction, allowing efficient fluid flow and reducing energy
consumption.
- Reliability in Extreme Conditions: Suitable for high-temperature
and high-stress environments, including chemical processing, oil
and gas, and power generation.
Applications:
- Oil and gas pipelines
- Hydraulic systems
- Heat exchangers and boilers
- Chemical and petrochemical plants
- Automotive and aerospace industries
Why us?
We focus on the research, development, production and sales of
seamless steel pipes, special-shaped steel pipes and hydraulic
cylinders. We have a complete production chain and an advanced
equipment system, including piercing machines, cold drawing
machines, hot rolling machines, high-precision flaw detection and
testing equipment. The company has passed multiple authoritative
certifications such as ISO9001, API, SGS, CCS, DNV, ABS, CE, RoHS,
etc., ensuring that each product complies with international
standards. We are committed to providing customers with
high-quality, customizable solutions to meet diverse application
needs.
Relying on our own built processing base and modern workshops,
combined with multiple branches and storage centers across the
country, we have achieved sufficient inventory and efficient
logistics coordination, significantly shortening the delivery cycle
and ensuring the rapid delivery of orders.
We have established a complete service and support system. After
the order is signed, the professional after-sales team can provide
timely and safe on-site guidance and technical support to ensure
that customers are at ease throughout the process from procurement
to use.
FAQ:
1. Do you support customized design and production?
Sure. We have a professional engineering team that can conduct
customized design and production with special sizes, control
systems or OEM according to your requirements.
2. How fast can you deliver?
In stock sizes, it takes 3-5 days. For customized sizes, it takes
30-35 days.
3. What payment methods do you support?
We support TT payment. Generally, 30% to 50% of the payment is made
in advance, and the remaining amount is paid before shipment.
4. Can you provide material certification (MTC)?
Yes, we will provide MTC to you after production is completed to
ensure that the material quality meets the standards.
5. What is the minimum order quantity?
Generally, we accept trial orders. The minimum order quantity is
1-3 tons, which can be determined according to different products.
Certification:
Packaging and Transportation:
