Name: China Round Pipes Manufacturers Suppliers Factory - Made in China - Huayang Steel Pipe
Brand: Huayang
SKU: 297594370

Hebei Huayang Steel Pipe Co., Ltd is one of the most experienced manufacturers and suppliers of round pipes in China. Welcome to buy discount round pipes made in China here from our factory. Quality products and low price are available.

Product introduction

Round pipes (circular pipes/tubes) are hollow cylindrical products with concentric circular cross-sections, open at both ends, and are the most widely used pipe type across industries, valued for their even stress distribution, efficient fluid flow, and cost-effectiveness.

Classification & Manufacturing Processes

Seamless Round Pipes: Made by piercing and rolling a solid billet (no weld seam). Superior pressure resistance, used in high-pressure/high-temperature systems (oil & gas, power plants). Processes include hot rolling (HR) and cold drawing (CD).

Welded Round Pipes: Formed by welding steel strips/coils, with common subtypes:

ERW (Electric Resistance Welded): High efficiency, suitable for water/gas pipelines, construction structures.

Spiral Welded: Good for large-diameter, thick-wall pipes in long-distance transmission lines.

LSAW (Longitudinal Submerged Arc Welded): High strength for heavy structural and pressure applications.

Key Advantages

Uniform stress distribution: Round cross-section evenly disperses internal/external pressure, outperforming square/rectangular pipes in pressure-bearing scenarios.

Optimal fluid dynamics: Minimal flow resistance, no dead corners, reducing energy loss in liquid/gas transmission.

Easy fabrication & connection: Simple to cut, bend, weld, and connect via flanges, threads, or socket joints.

Material efficiency: Maximum internal area per unit perimeter, saving raw materials.

Typical Applications

Fluid transmission: Water supply, gas pipelines, oil & gas gathering/transmission, chemical process pipelines, HVAC systems.

Structural use: Building frames, bridge supports, scaffolding, railings, offshore platforms, vehicle roll cages.

Mechanical & industrial: Heat exchangers, boiler tubes, machinery parts, hydraulic systems.

Selection Tips

Clarify pressure, temperature, and medium corrosivity to choose between seamless/welded and the right material/grade.

Verify compliance with industry standards (e.g., API 5L for pipelines, ASTM A312 for stainless steel pipes).

Consider wall thickness, dimensional tolerances, surface treatment, and delivery conditions (length, end preparation).

About us

Hebei Huayang Steel Pipe Co., Ltd. was founded in 2005, with a registered capital of 500 million yuan. The company covers an area of more than 1,000 mu, with annual sales of 10 billion yuan, more than 600 employees and an annual productivity of 2.75 million tons. The company has 17 new automatic steel pipe production lines and 14 high-frequency production lines, with a diameter of 73-660 mm; Three double-sided submerged arc welded steel pipe production lines with diameters of 406.4-1422.4mm;; 24 hot tube expanding production lines, with a diameter of 230-820mm; Two anticorrosion steel pipe production lines with a diameter of 73-1626 mm; 2 automatic painting production lines. With 3 branches and 5 offices, the products are sold to various cities and exported to more than 80 countries such as Southeast Asia, Middle East, Europe and America.

Packaging, transportation and delivery

Packaging, transportation and delivery

At Hebei Huayang Steel Pipe Co., Ltd., we apply standardized and reliable packaging solutions for all our steel pipe products. Our pipes can be securely packed by hexagonal bundling or circular bundling according to product diameter, wall thickness and customer requirements. Each pipe end is protected with high‑strength plastic pipe caps to avoid collision damage, dust and moisture during transportation and storage. The whole bundle is firmly wrapped with durable woven bags to enhance stability and prevent scratches or deformation.

We support a complete range of transportation methods to satisfy global customers, including road transportation, railway transportation, sea freight and container shipping. Based on our strategic location in Cangzhou, Hebei Province, we enjoy convenient access to major ports such as Tianjin Port, which greatly improves logistics efficiency and reduces transportation costs.

For standard specifications and normal order quantities, the general delivery time is about 30 days after order confirmation and deposit receipt. For large‑scale orders, special sizes or customized processing requirements, our production and sales team will formulate a detailed production plan and provide an accurate delivery schedule accordingly to ensure on‑time supply and stable performance for projects and clients worldwide.

Strict quality control

1. During and after the production, experienced quality inspectors randomly check the products to ensure that each steel pipe is qualified for production and application.

2. A nationally recognized laboratory with CNAS certification and certification by French Classification Society.

3. Have CNOOC access certificate, KOC oil company access network, ADNOC Abu Dhabi oil company access network, Petrobras access network, etc.

4. Accept the inspection by the third party designated/paid by the buyer, such as SGS and BV.