HYT specializes in providing welded steel pipes and seamless steel pipes for various applications such as structural applications, fluid transportation, drilling and mining for customers from all walks of life. HYT’s steel pipes have high strength and corrosion resistance, and can maintain excellent mechanical properties even under special working conditions of high and low temperatures. Therefore, the steel pipes we provide often have a long service life, which can help your project operate normally and efficiently, and effectively improve the long-term return on investment of your project. The following are the main types of steel pipes provided by HYT.
Wide Range of Steel Pipe Types
HYT is a professional steel pipe supplier with 15 years of experience in production and customized solution design. The steel pipes provided by our company support a variety of customized options, including materials, production processes, cross-sections, surface treatments, heat treatments, etc. HYT’s steel pipes have passed multiple international standards, such as ASTM, EN, Din, JIS, etc., so they have high and reliable product quality. The following are the main types of steel pipes provided by HYT.
HYT’s carbon steel pipes are known for their high structural strength and impact resistance, and are ideal products for boiler equipment, high-pressure equipment, and oil and gas transportation.
The stainless steel pipes provided by HYT have excellent corrosion resistance, so they have a long service life, which can help you significantly reduce the cost of facility maintenance and pipeline replacement for your project.
HYT’s alloy steel pipes have excellent strength and wear resistance. By adding a variety of alloying elements, HYT’s alloy steel pipes can maintain excellent mechanical properties under high temperature and high pressure.
Compared with the seamless steel pipe product series, HYT’s welded steel pipe has a relatively simple production process, fast production speed, more cost-effectiveness, and a certain degree of flexibility in processing, so it is suitable for larger-scale engineering projects.
HYT’s precision pipe has a higher dimensional accuracy, and the tolerance range is controlled within ±0.05mm. HYT’s precision steel pipe has a higher surface finish and higher mechanical properties, so it is a product that combines beauty and strength.
HYT’s seamless steel pipe adopts a weld-free structural design. Its complete and uniform surface structure can avoid common pipeline problems such as cracks and pores. And because of its excellent pressure bearing capacity and mechanical properties, HYT’s seamless steel pipe is an ideal choice for high-demand fields such as automobile manufacturing, aerospace, drilling and mining.
Specialty pipe is HYT’s customized product series. For some very extreme working conditions, such as highly corrosive environments, extremely low temperature environments, high temperature and high pressure environments, etc. HYT combines materials, cross-sections, production processes, surface treatments and other aspects to provide you with customized targeted solutions to help you cope with extreme industry challenges.
Wide Range of Steel Pipe Sections
HYT provides steel pipes with standard cross-sectional shapes and highly customized cross-sectional shapes. Choosing a steel pipe cross-sectional shape suitable for the project can use less material to make the mechanical properties of the steel pipe meet the requirements of the project, while also meeting good decorative and aesthetic requirements. Welcome to send us an inquiry and we will discuss the steel pipe shape suitable for your project.







Advanced Manufacturing Aligned with International Standards
HYT’s customization capabilities are supported by comprehensive and modern production lines. 15 years of steel pipe production has made HYT’s steel pipe production line more and more complete. The HYT factory now has 50 professional production lines for seamless and welded steel pipes. The seamless steel pipe production line covers hot processing processes such as hot rolling, hot expansion, hot extrusion, and cold processing processes such as cold rolling, cold drawing, and honing. The welded steel pipe production line can use welding processes such as ERW, SSAW, LSAW to produce steel pipes. All HYT production lines are highly automated to reduce human errors, thereby achieving high-quality and efficient production. The HYT factory produces 60,000 tons of steel pipes per year, with fast production and fast delivery, helping you start your project as soon as possible.

HYT uses hot expansion technology to expand the diameter of steel pipes while maintaining good mechanical properties, which is suitable for industries with large diameter requirements.

HYT’s hot extruded seamless steel pipes have uniform wall thickness, high precision and high strength, and can produce steel pipes with various special cross-sectional shapes.

HYT’s cold drawing process can achieve highly accurate dimensional tolerance control, and cold drawn seamless steel pipes have good strength and deformation resistance.

Cold rolled seamless steel pipes are HYT’s solutions for the automotive manufacturing and precision machinery industries. Because cold rolled seamless steel pipes often have higher precision and finish, and superior mechanical properties, higher strength and hardness.

HYT rolls steel pipes at high temperatures to make them have higher toughness and strength, which is suitable for industries with high requirements for structural strength and pressure bearing capacity.

HYT’s honed seamless steel pipe has a smooth and solid inner wall, so it has excellent sealing performance and is very suitable for high-precision applications such as hydraulic equipment and pneumatic equipment.

Resistance welding forming, neat welds, suitable for medium and low pressure transportation and structural purposes.

Through spiral forming welding, it is suitable for large-diameter and long-distance pipelines, with good strength and economy.

Straight seam welding process, high welding quality, suitable for high-strength and long-distance transportation needs.
Why Choose HYT Stainless Steel Pipe

The steel pipe is not easy to break and is durable

High strength and toughness, suitable for various structures

Not easy to oxidize, avoiding thermal expansion and deformation at high temperatures

Not easy to cause system failure, ensuring the safety of personnel and projects
Selected Raw Materials
We firmly believe that the raw materials of high-quality steel pipe products must first be high-quality. We maintain long-term cooperation with first-line brand metal raw material suppliers to ensure the quality of materials from the source. At the same time, we also sample the raw materials and conduct chemical composition analysis and mechanical property tests before each production to ensure that the selection of raw materials meets international standards.


Advanced Production Technology And Professional Production Team
Advanced production technology has always been achieved by advanced production equipment and professional technical personnel. HYT’s 15 years of experience in steel production has made the factory production line complete. HYT has also formed a professional technical team of 100 people. They continue to optimize the process flow of steel pipes, improve production efficiency, improve the quality of steel pipes, and provide professional customized solutions for the world.
Strict Quality Control
HYT always believes that even the most advanced technology will have defective products, so we always insist on strict quality review of each batch of steel pipes. HYT’s steel pipes will undergo multiple quality control review processes before shipment, including chemical composition analysis, tensile, compressive, bending and other mechanical property tests, eddy current flaw detection, ultrasonic flaw detection, etc. HYT’s commitment to all customers is to never slack off in quality control.


Customized Service
Customization is a business card of HYT factory production capacity. Highly complex project engineering requires highly customized steel pipe design to provide solutions. HYT’s technical team can provide targeted professional solutions and suggestions based on the specific application environment of the steel pipe provided by the customer, such as the pressure range and temperature range in the system, whether highly corrosive substances are involved, etc., to avoid the waste of project budget caused by the purchased pipes not being suitable for pipeline facilities.
Certification and Third-Party Inspection Report


Certified by Several International Standards
HYT’s steel pipe production strictly adheres to multiple international standards, including ASTM, JIS, DIN, and EN. This means that whether the steel pipes you procure are intended for high-pressure boilers, structural applications, automotive manufacturing, precision applications, or other complex industry needs, HYT’s pipes are perfectly suited to meet the stringent performance requirements of these uses. With HYT, your project can run smoothly, efficiently, and safely.
Third-Party Inspection Report
The assurance of quality doesn’t just come from HYT’s own confidence but also from the recognition of professional third-party organizations. High-quality products stand up to the most rigorous quality inspections. HYT’s products undergo testing by renowned institutions such as SGS, TÜV, BV, and DNV GL. These tests include chemical composition analysis, mechanical performance tests, and non-destructive testing, providing additional reliability for the smooth operation of your projects.
HYT Does More, You Earn More

The steel pipes produced by HYT are produced in accordance with international standards, so they often have excellent corrosion resistance, high temperature and high pressure resistance, and mechanical properties. Our steel pipes can ensure the safety and structural integrity of the pipeline system, and provide all-round safety protection for personnel, projects, and buildings.

We can make targeted cost-optimized solutions for you. Through strict monitoring of the design of the solution, product quality control, and production process, we can save you time costs, secondary processing costs, and subsequent maintenance costs.

HYT guarantees and improves the operating efficiency of your project from two aspects: technical support and product quality. HYT’s technical team can achieve rapid response and provide targeted solutions. At the same time, the modern factory enables these solutions to be implemented quickly, helping you start the project faster. At the same time, HYT’s steel pipes have good performance, which can enable your project to operate efficiently and for a long time.

The effect measurement standard and ultimate goal of HYT’s quality control work are always the success of your project. We not only pay attention to whether the steel pipes in the project are produced and inspected in accordance with international standards, but also pay attention to the actual operation of steel pipes in customer projects. Only when the customer’s project can run efficiently, smoothly, safely and successfully, we have completed the task of quality control.

HYT tends to provide customized solutions for each of our customers. HYT has 15 years of experience in the production and export of steel pipes. During this process, HYT has improved the factory’s production line, production team and technical team, which can make every complex customized solution quickly implemented, helping your project to start quickly and run efficiently.

HYT’s efforts have always been to provide you with solutions with long-term benefits. We provide the most professional steel pipe selection, steel pipe design, steel pipe production and installation and maintenance solutions to help you extend the service life of pipeline equipment and help your project run stably for a long time.
Wide Range of Applications

HYT’s scaffolding pipe is generally made of carbon steel pipes such as Q235 and Q345, which have good weldability and processability, and are often used to build support platforms and temporary structures to ensure the safety of workers.

HYT’s steel conduit is generally made of carbon steel and stainless steel, with good strength, corrosion resistance and electrical safety, and can effectively protect wires and cables in residential, commercial and industrial land.

HYT’s pile tube is made of high-quality carbon steel, with high compressive strength and toughness, and can be used in some bridge projects and road and railway projects.

HYT’s boiler tubing has good high temperature and high pressure resistance, is not easy to produce thermal expansion deformation, and can adapt to extreme working conditions inside the boiler system.

HYT’s line pipe is generally made of carbon steel such as API 5L Grade A, B, X42, X52, X60, etc., with high strength and corrosion resistance, and is an ideal material for applications such as oil and gas transportation and chemical transportation.

HYT’s Structural Pipe is a steel pipe solution designed for structural applications. By using some high-strength alloy steel and stainless steel pipes and other high-quality materials, HYT’s structural steel pipe can withstand higher pressure and load, so it can be used in heavy equipment such as cranes, conveyor belt brackets, container racks, etc.

HYT’s Instrument Tubing is a pipe used to connect instruments. Considering the possible high pressure, high temperature, and corrosion problems in the pipeline system, HYT will use 304, 316 and other stainless steel materials to ensure the stable operation of the project.

HYT’s Mechanical Tubing is often produced with 4130, 4140, 304, 316 and other alloy steel and stainless steel materials, which can improve the strength and wear resistance. HYT’s mechanical tubing is an ideal material for many automotive industries, agricultural machinery, and aerospace equipment.

HYT’s Sanitary Tubing is often used for sanitary 304 and 316 stainless steel pipes. HYT’s Sanitary Tubing is easy to clean and maintain, and is non-toxic and harmless, so it is very suitable for video processing, medical and health industries.

HYT’s hydraulic tubing is a solution designed specifically for hydraulic systems. Considering the high-pressure environment in hydraulic systems, HYT uses materials with high strength and high fatigue resistance, such as 4130, 4140, 2205, etc., to help your piping system operate long-term, stably, and efficiently.
Size and Tolerance Range
- Seamless Pipe
- Welded Pipe
- Standards
| Process | Size Range | Tolerance | Length | Straightness | Concentricity | Surface Roughness | |||||||||
| OD | WT | ID | OD | ID | WT (Normal) | WT (High Precision) | |||||||||
| Hot Rolling | 25 mm ~ 530 mm | 3 mm ~ 130 mm | / | ±1% | / | +12.5%/-10% | ±10% | 6000 mm +0 ~ 10 mm, Cut-to-length over 6000 mm +0 ~ 15 mm | ≤3 mm/m | / | / | ||||
| Normal Cold Drawning | 4 mm ~ 325 mm | 0.5 mm ~ 30 mm | / | ±0.1 ~ 0.5 mm | ±0.1 ~ 0.5 mm | ±10% | ±7.5% | 6000 mm +0 ~ 5 mm, above 6000 mm +0 ~ 10 mm | 1 mm/m | ±7.5% | / | ||||
| High Precision Cold Drawing | / | / | / | ±0.05 mm ~ 0.3 mm | ±0.05 mm ~ 0.5 mm | ±0.05 ~ 0.3 mm (maximum ±7.5%) | 6000 mm +0 ~ 5 mm, above 6000 mm +0 ~ 10 mm | 0.5 ~ 1.0 mm/m | 0.05 mm ~ 0.3 mm (maximum ±7.5%) | 0.8 ~ 1.6 μm | |||||
| Cold Rolling | 4 mm ~ 273 mm | 0.3 mm ~ 25 mm | / | Two-roll Mill | Three-roll Mill | Two-roll Mill | Three-roll Mill | ±0.05 mm ~ 0.3 mm, maximum ±7.5% | 6000 mm +0 ~ 5 mm, above 6000 mm +0 ~ 10 mm | 0.5 mm ~ 1.0 mm/m | 0.05 ~ 0.3 mm, maximum ±7.5% | 0.8 ~ 1.2 μm | |||
| / | ±0.05 ~ 0.2 mm | ±0.025 mm ~ 0.1 mm | ±0.05 ~ 0.2 mm | ±0.025 mm ~ 0.1 mm | |||||||||||
| Hot Expansion | 245 ~ 1020 mm | 6 mm ~ 80 mm | / | ±1.25% | / | / | ±10 ~ 15% | 6000 mm +0 ~ 10 mm, above 6000 mm +0 ~ 15 mm | ≤3 mm/m | / | / | ||||
| Hot Extrusion | 530 mm ~ 1420 mm | 40 mm ~ 300 mm | / | ±1% | / | / | +12.5%/-10%, or ±10% | +0 ~ 15 mm | Less than or equal to 0.1% of the pipe length | / | / | ||||
| Honing | / | 3.5 mm ~ 40 mm | 30 mm ~ 400 mm | ±0.1 mm ~ ±0.5 mm | H8、H9、H10 | ≤ 120 mm | ±5% | / | 0.5 mm ~ 1.0 mm/m | / | 0.4 μm | ||||
| ≥ 120 – 210 mm | ±7.5% | ||||||||||||||
| > 210 mm | ±10% | ||||||||||||||
| Process | Size Range | Tolerance | Length | Straightness | Concentricity | Surface Roughness | ||||||
| OD | WT | ID | OD | ID | WT (Normal) | WT (High Precision) | ||||||
| Electric Resistance Welding(ERW) | 16 mm ~ 426 mm | 0.5 mm ~ 25 mm | / | ±0.1 mm ~ ±1% | / | / | ±0.05 mm ~ ±7.5% | +0 ~ 50 mm (depending on outer diameter) | / | / | / | |
| Longitudinal Submerged Arc Welding(LSAW) | 406 mm ~ 1420 mm | 8 mm ~ 50 mm | / | ±1% | / | / | ±7.5%-12.5% | +0 ~ 50 mm | 1.5 mm/m | / | / | |
| Spiral Submerged Arc Welded(SSAW) | 219 mm ~ 2450 mm | 5 mm ~ 25 mm | / | ±1% | / | / | ±10% | +0 ~ 50 mm | 1.0 – 1.5 mm/m | / | / | |
| Standards | Scope |
| ASTM A312 | Seamless, straight-seam welded, and cold worked welded austenitic stainless steel pipe intended for high-temperature and general corrosive service. |
| ASTM A213 | Seamless ferritic and austenitic steel boiler, superheater, and heat-exchanger tubes. |
| ASTM A269 | Seamless and welded austenitic steel tubing for general corrosion-resisting and low- or high-temperature service. |
| ASTM A789 | Stainless steel tubing for services requiring general corrosion resistance, with particular emphasis on resistance to stress corrosion cracking. |
| ASTM A790 | Seamless and straight-seam welded ferritic/austenitic steel pipe for general corrosive service, with particular emphasis on resistance to stress corrosion cracking. |
We provide a variety of specifications of steel pipe products, including customized steel pipe material selection, size, cross section, length, production process, etc. HYT has a rich inventory of steel pipe raw materials, including carbon steel, stainless steel, alloy steel, etc. After we communicate with you about the actual working conditions of the project by email or phone, we will give you the material selection and steel pipe production plan. Welcome to contact us.
The production and inspection of HYT’s steel pipes all follow international quality standards, such as ISO, API, ASTM, JIS and other certification standards. We will conduct strict quality inspections on steel pipes, including size testing, chemical composition analysis, tensile performance testing, mechanical performance testing, etc. At the same time, we will also issue corresponding test results reports to customers, and accept third-party testing to ensure that the products can 100% meet customer requirements.
The delivery time mainly depends on the specifications and quantity of the steel pipes in the order. Standard steel pipe orders are usually shipped within 2-4 weeks, and if it is a customized order, it will take longer. We will confirm the delivery time with you and ensure timely delivery according to the agreed time.
HYT’s steel pipes are widely used, which is mainly due to HYT’s rich steel pipe product line. HYT’s steel pipe products can be used in construction, oil and gas, machinery manufacturing, electricity, water treatment, chemical industry and other fields. Whether it is structural support or fluid transportation, we can provide you with reliable steel pipe solutions and choose the most suitable materials and steel pipe specifications for you.











