Radiator Material Selection | Header: Material ST14 (mild steel plate), supplied by Tianjin Zhengda Technology Co., Ltd. Vertical Tubes: High-quality low-carbon steel pipes, material SPCC, manufactured by Tianjin Zeao Metal Products Co., Ltd. | ||
Wall Thickness | Header | ≥ 1.8 mm, up to 2.5 mm | |
Vertical Tubes | Vertical pipes adopt Φ25 round tubes with a wall thickness of 1.5 mm, which can be maximally processed up to 2.0 mm. | ||
Threaded Connection | Minimum thickness 2.0 mm, thread length ≥ 6 turns | ||
Heat Dissipation Method | Radiation-convection combined type | ||
Welding Process | 1.Argon arc welding, single-side welding with double-side forming; smooth weld seams and stable quality. 2.Flash resistance welding without filler; high strength and stable quality. | ||
Pretreatment Process | Degreasing, rust removal, etc. | ||
Anti-Corrosion Material & Coating Process | TY-3318 anti-corrosion coating developed by Wuhan Research Institute of Materials Protection is adopted with the automatic vacuum filling process and applied twice, with a coating thickness of 145μm. | ||
Surface Coating Process | Epoxy resin hybrid powder electrostatic automatic spraying process is adopted with two coating passes on an automatic spraying line equipped with Swiss Gema spray guns, followed by baking at 180–200°C, and the surface coating thickness is 100–120 μm. | ||
Pressure Test | Three test cycles are conducted at a constant test pressure of 1.8 MPa | ||
Inlet/Outlet Thread | Internal thread, nominal diameters: DN15, DN20, DN25, etc. | ||
Connection Methods | It includes four connection modes: same-side top inlet and bottom outlet, opposite-side top inlet and bottom outlet, opposite-side bottom inlet and bottom outlet, and 90° vertical bottom inlet and outlet. | ||
Appearance | Straight type, curved type, or 90°bent | ||
Application Range | Applicable to hot water heating systems with medium temperature ≤ 95°C and water quality complying with national standard GB1576 (Low-Pressure Boiler Water Standard). | ||
Prohibited Applications | Steam systems, Geothermal water systems | ||
System Maintenance & Water Quality Requirements | Suitable for closed heating systems with a medium temperature not exceeding 120°C, a pH value of 9–12, chloride (Cl⁻) ≤ 300 mg/L, sulfate (SO₄²⁻) ≤ 150 mg/L and dissolved oxygen ≤ 0.1 mg/L, and it must be kept filled with water during non-heating periods. | ||
Accessories | Each unit is equipped with an air vent valve, a plug and mod el-matched mounting brackets. | ||
Packaging | It adopts EPS foam packaging, and customized non-returnable packaging is available on request. | ||
Service Life | Up to 15 years under normal operating conditions | ||
Warranty | The warranty period is 24 months from the delivery date, with free repair or replacement for manufacturing defects, while only material costs will be charged for non-quality issues. | ||
Test Reports & Certification Bodies | Thermal performance and full inspection reports are issued by the National Building Materials Hardware & Plumbing Quality Supervision and Testing Center and the National Radiator Quality Supervision and Inspection Center. | ||
Production & Delivery Capacity | Daily production capacity about 8,000 sections | ||
Annual Production Capacity | About 2.5 million sections per year | ||
Remarks | It features a smooth and aesthetic appearance, easy cleaning performance and non-directional design for convenient installation. | ||
The Difference Between Welded and Traditional Steel Radiators
Steel radiators are widely used in modern heating systems, but not all radiators are manufactured in the same way. One of the key differences in the market today is between welded steel radiators and traditional steel radiators. While both provide effective heating performance, they differ in manufacturing technology, appearance, durability, and efficiency.
Welded steel radiators, especially laser-welded models, are produced using advanced welding technology that creates smooth, precise, and nearly invisible joints. This process improves structural strength and gives the radiator a cleaner, more modern appearance. Laser welding also reduces the risk of weak connection points, making the radiator more durable and resistant to leaks over time. Because of the precise manufacturing process, welded radiators often feature slimmer profiles, seamless edges, and more refined finishes that suit contemporary interior designs.
Traditional steel radiators, on the other hand, are usually manufactured using standard welding methods. While they still offer reliable heating performance, the weld joints are often more visible and may not have the same level of precision as laser-welded models. Traditional radiators are generally more basic in appearance and are commonly used in standard residential or commercial heating systems where decorative design is less important.
Another important difference is heat efficiency. Modern welded steel radiators are often engineered with optimized water flow and improved heat distribution, allowing them to heat rooms more quickly and efficiently. Traditional radiators can still provide strong heat output, but they may not respond as rapidly to temperature changes.
Durability is also a major factor. High-quality welded radiators typically have stronger seams and enhanced corrosion resistance due to advanced coating and production techniques. This can lead to a longer service life and lower maintenance requirements.
In summary, welded steel radiators offer a combination of modern aesthetics, improved durability, and efficient performance, while traditional steel radiators remain a practical and cost-effective heating solution for many standard applications.
How Laser-Welded Radiators Improve Durability and Performance
Laser-welded radiators have become increasingly popular in modern heating systems because they offer significant improvements in both durability and performance compared to traditionally manufactured radiators. By using advanced laser welding technology, manufacturers can produce radiators with stronger structures, cleaner finishes, and more efficient heating capabilities.
One of the biggest advantages of laser welding is precision. The laser creates extremely accurate and consistent weld joints, resulting in stronger connections between radiator components. This reduces the risk of weak points, cracks, or leaks developing over time. Because the welding process is highly controlled, the finished radiator has a more stable structure and can withstand long-term pressure and temperature changes within central heating systems.
Laser welding also improves the overall appearance of the radiator. Unlike traditional welding methods that may leave visible seams or uneven surfaces, laser welding creates smooth and nearly invisible joints. This gives the radiator a sleek, modern look that fits perfectly into contemporary homes, offices, hotels, and luxury interior designs.
In terms of heating performance, laser-welded radiators are designed for better heat transfer and improved efficiency. The precision manufacturing process allows for optimized internal water channels and more consistent heat distribution across the radiator surface. As a result, rooms can heat up faster and maintain stable temperatures more effectively. Improved thermal efficiency can also help reduce energy consumption and lower heating costs over time.
Durability is another key benefit. Laser-welded radiators are often combined with high-quality steel materials and advanced anti-corrosion coatings, which protect against rust, moisture, and everyday wear. This extends the product’s lifespan and minimizes maintenance requirements.
Additionally, the accurate production process allows manufacturers to create slimmer and lighter radiator designs without compromising strength. This makes installation easier while maintaining excellent heating output.
Overall, laser-welded radiators provide a perfect combination of strength, energy efficiency, durability, and modern aesthetics, making them an ideal choice for high-performance heating systems in both residential and commercial environments.
How to Match Steel Radiators with Minimalist Interiors
Steel radiators can perfectly complement minimalist interiors when chosen and styled correctly. With their clean lines, modern appearance, and functional design, steel radiators have become an important element in contemporary interior decoration rather than just a heating solution. In minimalist spaces, where simplicity and balance are essential, selecting the right radiator can enhance both comfort and visual harmony.
One of the most important factors is choosing a radiator with a simple and streamlined design. Flat-panel or round-column steel radiators work especially well in minimalist interiors because they feature smooth surfaces and understated shapes. Neutral colors such as white, black, anthracite grey, or matte metallic finishes are popular choices, as they blend naturally with minimalist color palettes and modern furnishings.
The radiator’s placement also plays a key role. In minimalist spaces, clutter should be minimized, so wall-mounted vertical radiators are often preferred because they save floor space and create a clean architectural look. Horizontal radiators installed beneath windows can also maintain symmetry and visual balance without overwhelming the room.
Another important consideration is proportion. A radiator should match the scale of the room and surrounding furniture. Oversized or overly decorative radiators may disrupt the simplicity of minimalist design, while slim and elegant steel radiators can become subtle design features that integrate seamlessly into the environment.
Texture and finish are equally important. Matte finishes often work better in minimalist interiors because they create a softer and more refined appearance. Smooth laser-welded steel radiators with seamless edges are especially suitable for modern spaces that focus on precision and simplicity.
In addition to aesthetics, steel radiators also support minimalist living through energy efficiency and functionality. Modern steel radiators heat quickly, respond efficiently to temperature adjustments, and require minimal maintenance, aligning with the minimalist principle of practical and purposeful design.
Overall, matching steel radiators with minimalist interiors involves balancing simplicity, proportion, color, and functionality. When selected carefully, a steel radiator can enhance the elegance and comfort of a minimalist home while maintaining a clean and modern atmosphere.









