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Help Center500mm Hot-Dip Galvanized Steel Strip Q195 Q235B A653 for Power Cable Armoring
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As a leading manufacturer with a strong export presence, Wuxi Yansheng Technology Co., Ltd. proudly presents our high-quality 500mm Hot-Dip Galvanized Steel Strip, specifically engineered for robust power cable armoring. Since our establishment in 2017, we have dedicated ourselves to producing steel products that meet rigorous international standards, serving markets from North America to Southeast Asia. Our galvanized strip combines superior corrosion resistance with exceptional mechanical strength, providing a reliable and long-lasting protective layer for critical power transmission infrastructure. This product is a cornerstone of our portfolio, reflecting our commitment to quality, durability, and customer satisfaction in the global industrial supply chain.
Our galvanized steel strip is manufactured from premium low-carbon steel grades such as Q195 and Q235B, ensuring excellent formability and weldability for cable manufacturing processes. The hot-dip galvanizing process creates a metallurgical bond between the zinc coating and the steel substrate, resulting in a protective layer that is integral to the base metal. This method offers significant advantages over electro-galvanizing, including a thicker, more durable coating that provides sacrificial protection even if the surface is scratched or cut. For power cable armoring, this translates into unparalleled defense against environmental factors like moisture, soil chemicals, and mechanical abrasion, significantly extending the cable's service life in underground, aerial, or submarine installations.
Key Product Features & Technical Advantages:
Superior Corrosion Protection: The hot-dip zinc coating acts as a physical barrier and provides cathodic protection, safeguarding the steel core from rust and corrosion in harsh environments.
Enhanced Mechanical Properties: The base steel offers a balanced combination of tensile strength and ductility, essential for withstanding installation stresses and ground movement.
Consistent Coating Quality: Our controlled galvanizing process ensures uniform zinc distribution across the entire 500mm width, guaranteeing consistent performance.
Excellent Adhesion: The metallurgically bonded coating resists flaking, peeling, or cracking during the cable stranding and sheathing processes.
Flexibility and Formability: Designed to be easily formed into the helical armor wires or tapes without compromising the coating integrity.
Detailed Technical Specifications:
| Parameter | Specification / Value |
| Standard Width | 500 mm (Custom widths available) |
| Material Grades | Q195, Q235B, ASTM A653 Grade Equivalent (e.g., CS Type B) |
| Common Thickness Range | 0.3 mm to 3.0 mm (Other thicknesses customizable) |
| Zinc Coating Mass | Typically Z60 to Z275 (60 g/m² to 275 g/m² per side), customizable |
| Tensile Strength (Q235B) | Approx. 375 - 500 MPa |
| Elongation | Min. 23% (Grade dependent) |
| Surface Finish | Spangle, minimal spangle, or smooth finish available |
| Coil Weight | Standard: 3-10 MT. Can be tailored to customer equipment. |
The application of our galvanized strip in power cable armoring offers tangible benefits to cable manufacturers and end-users. It provides a cost-effective alternative to other corrosion-resistant alloys while maintaining high performance. The armor significantly improves the cable's resistance to rodent attack, crushing forces, and tensile stresses during installation and operation. For utility companies and industrial projects, this means reduced maintenance costs, fewer service interruptions, and enhanced safety of the power distribution network. Our product is suitable for a wide range of cable types, including medium-voltage distribution cables, direct burial cables, and submarine power cables.
Backed by our robust manufacturing capabilities from a 1,000-3,000 square meter facility and supported by a dedicated team of 101-200 professionals, we ensure consistent supply and quality. Our annual export value of US$50-100 Million underscores our reliability and scale in the global market. We hold a comprehensive suite of management system certifications, including ISO9001 for quality and ISO14000 for environmental management, which govern our production processes. With major shipment ports like Shanghai, Tianjin, Qingdao, and Ningbo at our disposal, we guarantee efficient logistics to our customers across the globe. Choose Wuxi Yansheng for a galvanized steel strip that delivers durability, performance, and value, ensuring your cable products stand the test of time and environment. Contact us today to discuss your specific requirements and receive a competitive quotation.
Frequently Asked Questions (FAQ)
What is the main difference between Q195 and Q235B steel for this application?
Q195 is a lower carbon steel with good plasticity and weldability, often used where high formability is needed. Q235B has slightly higher carbon content, offering greater tensile strength and yield strength, making it suitable for applications requiring more mechanical robustness in the armor.Can you supply this strip according to ASTM A653 specification?
Yes, we can produce hot-dip galvanized steel strip equivalent to common grades under ASTM A653, such as CS Type B. Specific chemical composition and mechanical properties can be tailored to meet the exact requirements of your project upon request.How do I determine the appropriate zinc coating weight (e.g., Z60 vs Z275) for my cable?
The choice depends on the expected service environment. Z60 (60 g/m² per side) is suitable for mild atmospheric conditions. For aggressive environments like coastal areas, industrial zones, or direct burial in corrosive soils, a heavier coating like Z275 is recommended for extended service life. Our technical team can assist in selection.Is the strip supplied in coils suitable for automatic cable armoring machinery?
Absolutely. Our coils are wound under tension to ensure they are tight and free from telescoping. We can customize coil ID, OD, and weight to match the specific requirements of your production line for optimal feeding and processing efficiency.What packaging is used for export shipment to prevent corrosion during transit?
We use standard export packaging which includes waterproof paper or plastic wrapping, steel strapping on wooden pallets or steel skids, and clear marking. For sea voyages, we can provide VCI (Vapor Corrosion Inhibitor) packaging upon request for added protection.Do you offer different surface finishes like spangle-free?
Yes, we can provide various surface finishes according to customer preference. Standard spangle, minimized spangle, and spangle-free (smooth) finishes are available. The choice may affect aesthetics and paint adhesion if further coating is applied.What is your typical lead time for an order?
Lead time depends on order quantity and specifications. For standard grades and sizes, we often maintain stock for quick shipment. For large or customized orders, production typically takes 3-5 weeks after order confirmation, plus shipping time.Can you provide material test certificates (MTC) with the shipment?
Yes, we provide full material test certificates (MTC or Mill Test Certificate) with each batch, detailing chemical composition, mechanical properties, coating weight tests, and dimensions as per the order specification, ensuring full traceability and quality assurance.
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