corrosion-resistant-hot-dip-galvanized-round-tube-q235b-for-greenhouse-bracing, corrosion-resistant-hot-dip-galvanized-round-tube-q235b-for-greenhouse-bracing, /secondary-steel-structure
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• Scenario: Essential for guardrail engineering and fire protection pipelines.
• Performance: Excellent torsional and impact resistance for structural use.
Product Description
Xingyuanxing Round Steel Pipe is a high-performance welded tubular profile made of superior carbon steel. Adopting advanced longitudinal welding and precise rounding technology, the round tube features round and smooth pipe body, uniform wall thickness and stable geometric size. Compared with square and rectangular pipes, round steel pipes have more uniform force distribution, stronger pressure resistance and better fluidity, which can adapt to both structural load-bearing and pipeline conveying scenarios
Our round pipe series includes hot rolled black welded round pipe and hot-dip galvanized round pipe. The black round pipe is cost-effective with stable welding performance, suitable for indoor structural supports, equipment frames and projects requiring secondary anti-corrosion spraying
With perfect circular section design, the round steel tube has excellent torsional resistance and impact resistance. It will not produce stress concentration during load-bearing and connection, effectively avoiding structural cracking and deformation
All round pipes are produced through automatic rolling forming, online welding flaw detection and precision sizing process. The pipe body is straight with neat pipe ends and small dimensional tolerance
As a versatile building steel profile, round steel pipe is widely used in steel structure supports, greenhouse frames, guardrail engineering, mechanical equipment accessories, water supply and fire protection pipelines. With stable physical properties and long service life, it is a universal essential material for industrial construction and municipal engineering
The Xingyuanxing round tube is produced using advanced forming and finishing techniques to ensure dimensional accuracy, surface integrity, and long-term durability. Available in a variety of materials, diameters, and wall thicknesses, the round tube family includes high-grade stainless steel round tube options, seamless round tube constructions, and precision tubing designed for critical tolerance applications. Each round tube is crafted with meticulous attention to metallurgical control and process optimization, resulting in a component that reliably serves as a backbone for structural, fluid, and mechanical systems
- Material variety: Xingyuanxing offers round tube in multiple metal grades and alloys, with stainless steel round tube being a flagship offering for corrosion resistance, hygiene, and aesthetic value. Materials range from common stainless grades to specialized alloys tailored for high-temperature or corrosive environments
- Seamless round tube options: For applications requiring superior strength, leak-free performance, and enhanced fatigue life, seamless round tube variants are manufactured through precision hot or cold drawing processes. The seamless round tube product minimizes weld defects and provides uniform mechanical properties across the cross-section
- Precision tubing: Xingyuanxing’s precision tubing is engineered for tight dimensional tolerances and smooth internal surfaces, making it ideal for instrumentation, hydraulic systems, medical equipment, and component manufacturing where fit and finish are critical. Precision tubing production employs calibrated drawing and finishing to achieve repeatable geometry
- Mechanical and chemical integrity: Through strict metallurgical testing and process control, each round tube meets specified tensile, yield, elongation, and hardness parameters. Chemical composition testing ensures material traceability and compliance with industry standards for stainless steel round tube and other alloyed option
Xingyuanxing invests in process innovation and quality systems to elevate the performance of its round tube offerings. Key advantages include
- Process control and traceability: Real-time monitoring and statistical process control ensure each round tube batch conforms to strict specifications. Full material traceability accompanies shipments to meet regulatory and client requirements, particularly for critical stainless steel round tube applications
- Customized engineering support: Technical collaboration enables customers to define application-specific round tube parameters, from micro-level precision tubing dimensions to large-diameter seamless round tube for heavy-duty infrastructure projects
- Sustainability and efficiency: Manufacturing practices emphasize material yield optimization and waste reduction, while finishing and surface treatments are controlled to minimize environmental impact in line with increasingly stringent sustainability expectations
Choosing a Xingyuanxing round tube delivers measurable benefits
- Consistent geometry and tolerance control reduce assembly time and rework for downstream fabricators and OEMs
- Seamless round tube construction enhances fatigue resistance and leak integrity in pressure-critical systems
- Precision tubing offers uniform wall thickness and surface finish for reliable performance in instrumentation and fluid handling systems
- Comprehensive customization and secondary services shorten supply chains and accelerate time-to-market
Uniform Circular Stress, Strong Pressure Resistance — Closed circular section realizes 360° uniform force bearing, no stress dead angle. The pipe body is not easy to deform under pressure, with higher structural stability than special-shaped pipes.
Smooth Surface & Low Wind Resistance — Round and flat outer surface reduces outdoor wind resistance, avoids strong wind impact damage, and is not easy to accumulate dust and sundries, maintaining long-term clean appearance.
Dual Surface Process, Wide Scene Adaptability — Black round pipe for indoor cost-saving projects; hot-dip galvanized round pipe with dense zinc layer for outdoor anti-rust, humid and coastal salt spray environments.
Accurate Size & Small Tolerance — Automatic precision forming ensures uniform wall thickness and straight pipe body. Low construction error reduces on-site trimming and material waste.
Excellent Welding & Bending Performance — Stable steel substrate ensures smooth welding and firm connection. It supports arbitrary bending and shaping, suitable for special-shaped frame and arc structure production.
Multi-Specification Complete & Customizable — Rich diameter and wall thickness specifications, support fixed-length cutting, punching and end flattening, meeting personalized engineering needs
| Parameter Item | Standard Configuration Parameters |
| Material Grade | Q235B, Q355B |
| Surface Type | Hot Rolled Black Welded, Hot Dipped Galvanized |
| Common Diameter Range | 20mm–325mm, full specifications complete, support non-standard customization |
| Conventional Wall Thickness | 1.2mm–12mm |
| Standard Length | 6m, 9m, 12m, customizable fixed cutting |
| Zinc Layer Thickness(Galvanized) | thickened zinc layer optional |
| Execution Standard | GB/T 3091, ISO Standard, International Construction Steel Standard |
| Processing Service | Fixed-length cutting, drilling, bending, punching, end finishing |
Steel Structure Supporting Frame — Used for factory auxiliary support, platform bracket, building internal and external auxiliary frame, stable load-bearing and strong adaptability.
Greenhouse & Agricultural Frame Engineering — Galvanized round pipe is the preferred material for vegetable greenhouses, breeding sheds and agricultural greenhouse brackets, anti-rust and long service life.
Guardrail & Isolation Barrier Project — Widely used for factory fence, road guardrail, stair handrail and venue isolation fence, with neat appearance and firm structure
Mechanical Equipment Accessories & Bracket — Suitable for mechanical equipment support, instrument frame, equipment protective frame and industrial auxiliary accessories.
Municipal Pipeline & Fire Water Supply — Qualified round pipes are used for municipal water delivery, fire protection pipelines and drainage engineering, with stable pressure resistance and safe delivery
Professional Specification Selection — According to project usage, load demand and environment, recommend the most suitable diameter, wall thickness and surface process to optimize project cost and safety.
Standard Factory Production & Strict Inspection — Adopt automatic welding and forming process, with online flaw detection and size calibration. Defective products are strictly eliminated to ensure stable batch quality.
Custom Deep Processing Support — Provide fixed-length cutting, bending, punching and finishing services to reduce on-site secondary processing workload.
Complete Qualification Documents — We can provide steel mill test certificates, product qualification certificates and other compliance documents to meet the standards of project bidding and engineering acceptance
Sufficient Stock & Flexible Delivery — Conventional specifications are in stock, delivery within 3–7 working days. Large orders support batch delivery to cooperate with construction progress
Q1: What is the difference between black round pipe and galvanized round pipe?
English: Black round pipe has no anti-rust coating, low cost, suitable for indoor structures and projects with later painting anti-corrosion. Hot-dip galvanized round pipe has uniform zinc layer on the surface, excellent outdoor anti-rust performance, no need for secondary treatment.
Q2: Can round pipe be bent and processed arbitrarily?
English: Yes. Our round steel pipes have good toughness and ductility, supporting cold bending and hot bending forming. We can process various arc frames and special-shaped structures according to customer drawings.
Q3: What scenarios are galvanized round pipes suitable for?
English: Galvanized round pipes are widely used in outdoor guardrails, agricultural greenhouses, open-air supports, humid environments and coastal projects, with long-term anti-corrosion and weather resistance.
Q4: What information is needed for accurate quotation?
English: Please confirm material grade, surface type, outer diameter, wall thickness, length, quantity and processing requirements.
Q5: Is the weld seam of the round pipe firm?
English: All welded round pipes adopt high-frequency automatic welding technology, with online weld flaw detection. The weld seam is smooth and firm, with no crack or virtual welding, meeting structural load-bearing standards.
Q6: Can you provide non-standard customized sizes?
English: Yes. We support non-standard diameter, wall thickness and length customization, as well as personalized deep processing to meet special engineering needs.
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