+86 18526786715
18526786715
ASTM A500 High Strength Pre-Galvanized Hollow Carbon Steel Round Tubes
Key Features & YTDR Advantages:
●Certified High-Strength Material: Unlike generic tubes, our products are rigorously manufactured to meet ASTM A500 Grade B/C standards. This certification guarantees consistent mechanical properties, including high yield and tensile strength, allowing for safer, more reliable, and more efficient structural designs.
●YTDR's Exclusive Galvanizing: We utilize a state-of-the-art continuous pre-galvanization process. This ensures a consistently uniform zinc coating that is metallurgically bonded to the steel substrate. The result? A flawless surface with enhanced durability and superior paint adhesion, providing long-lasting protection against rust and corrosion in various environments.
●Unmatched Dimensional Precision: Our advanced cold-forming technology and in-line quality control systems guarantee excellent ovality, straightness, and wall thickness consistency. This precision translates to faster, easier welding and installation, significantly reducing on-site labor time and costs for our clients.
● Ready-to-Use & Cost-Effective: The clean, bright finish of our pre-galvanized tubes eliminates the need for secondary surface treatment. They arrive on your site ready for immediate fabrication and use, streamlining your supply chain and reducing total project costs.
● Vertical Integration & Quality Control: From raw material selection to final inspection, we control every step of the production process. This allows us to ensure traceability, manage costs effectively, and guarantee unwavering quality in every batch.
● Technical Expertise & Customization: Our engineering team works closely with clients to provide tailored solutions, including custom sizes, wall thicknesses, and packaging, to meet unique project specifications.
● Global Logistics Excellence: With extensive experience in international shipping, we ensure your order arrives on time and in perfect condition, wherever your project is located.
Ready to Build with Confidence?
Choose the tubes that blend strength with smart engineering. Contact YTDR Group today for a competitive quote and expert technical support for your next project.
How Long Does Pre-Galvanized Tube Steel Last?
● Typical Service Life: The service life of our Pre-Galvanized RHS depends heavily on the environment. In low-corrosion environments (e.g., indoor structures, dry climates), it can last for several decades without any signs of significant rust. In moderate environments (e.g., urban settings, semi-outdoor shelters), you can expect a long service life of 15-25 years with minimal maintenance.
● Maintenance Requirements: One of the biggest benefits is low maintenance. The zinc coating sacrificially protects the steel, meaning it will corrode before the base metal does. For most of its life, it requires only occasional cleaning with water and a mild detergent to maintain its appearance. If the surface is scratched, the zinc's sacrificial action continues to protect the surrounding area.
|
Coating Type |
Typical Coating Mass (g/m²) |
Equivalent Thickness (µm) |
Primary Use |
|
Pre-Galvanized |
60 - 120 |
4 - 8 |
Base material for fabrication, indoor/benign outdoor use |
|
Hot-Dipped Galvanized |
200 - 600+ |
30 - 85+ |
Long-term outdoor exposure, harsh environments |
How to Significantly Extend the Lifespan
You can greatly increase the longevity of pre-galvanized tubing with additional finishing steps:
Powder Coating or Painting: This is the most effective method. The organic paint or powder coat acts as a physical barrier, shielding the zinc from the environment. The zinc layer then acts as a secondary defense if the paint is scratched, preventing rust from spreading. This combination can extend the life for 20+ years even in moderate outdoor settings.
Choose a Heavier Zinc Coating: If available, specify a pre-galvanized coil with a higher zinc coating (e.g., Z180 or Z275 according to ASTM A653) as the base material for the tube.
Customize Your Iron Round Tubes: Grade, Shape, and Size
Custom-Shaped Square Steel Pipes – Tailored to Your Needs Yuantai Derun provides fully customizable square steel pipes to match your unique shape specifications. Our standard shaping options include:
● ²Inner & outer right angles (sharp-cornered design)
● ²Inner & outer arc angles (rounded edges)
● ²Inner arc with outer straight edges
● ²Inner straight edges with outer arc
Need a different profile?
● American Standard (ASTM): Gr. A, B, C, etc.
● European Standard (EN): S235, S275, S355, S420, S460, etc.
● Japanese Standard (JIS): SS400, STKR400, STKR490, etc.
● Chinese Standard (GB): Q195, Q235, Q355, etc.
● Canadian Standard (CSA): 300W, 350W, etc.
At Yuantai Derun, we take pride in delivering premium square steel pipes. To let you experience our excellence firsthand, we’re pleased to provide free samples (up to 20 cm in length), shipped directly to you via express air freight—with only the shipping cost on your end.
Why hesitate? Put our materials to the test and discover why Yuantai Derun stands out in quality and reliability. Request your sample today!
Yuantai Derun square steel pipes also provide cutting, punching, and heat treatment services to meet customers' needs for gas cutting, punching, and thermal assistants. Contact us immediately and send us your processing requirements.
Yuantai Derun Square Steel Pipes – Quality Assured at Every Stage
From raw material sourcing to finished products, Yuantai Derun implements rigorous quality control at every step. We exclusively use traceable raw materials from reputable manufacturers, subjecting them to comprehensive inspections, including but not limited to:
●Dimensional & Visual Checks (appearance, size, straightness)
●Mechanical Testing (impact resistance, yield & tensile strength, hardness)
●Material Analysis (chemical composition, metallographic examination)
●Non-Destructive & Corrosion Testing (UT inspection, salt spray testing)
Contact us today to discuss your specific testing requirements—we ensure precision and reliability in every pipe.
|
Product Description |
|
|
Brand |
Yuantai Derun Steel Pipe Manufacturing Group |
|
Outer Diameter |
10*10-1000*1000mm 10*15-800*1200mm
|
|
Wall Thickness |
0.5-60mm
|
|
Length |
12 m(39.37ft), 6m(19.69ft), 6.4M(21.00ft)
|
|
Tolerance |
±5%, ±10% as required |
|
Shape |
Square / Rectangular
|
|
Standards |
Hollow section: ASTM A500/A501,EN10219,EN10210 |
|
Grade |
10#, 20#, 45#, 16Mn, Q235, Q345, Q195 |
|
Surface Treatment |
Galvanized Coating |
|
Zinc Coating |
60-120g/m2 |
|
Special Pipe |
API Pipe, Other, EMT Pipe, Thick Wall Pipe |
|
Certificate |
CE,LEED,BV,PHD&EPD,BC1,EN10210/10219, ISO9000/14001/45001,DNV,ABS,JIS G3466 |
|
Application |
1. Fence, greenhouse, door pipe,greenhouse. 2. Low pressure liquid, water, gas, oil, line pipe. 3. For both indoor and outdoor the building construction. 4. Widely used in scaffolding construction which is much cheaper and convenient. |
|
MOQ |
2-5 Tons or No minimum order |
|
Delivery Time |
7-15 days |
|
Samples |
Free Samples Get Free Sample Now! |
