Shandong Zhongqiang Metal Materials Co., Ltd.
| Payment Terms | L/C,T/T |
| Supply Ability | 20000Tons/Month |
| Delivery Time | 7 - 15 Days |
| Coil Width | 600~1250mm |
| Inner Diameter | 508/610mm |
| Ral Color | All RAL Color |
| Port | shanghai,tainjin,qingdao,guangzhou |
| Stock | Stock |
| Application | Roofing, Wall, PPGI Base Material |
| Specification | According to customer requirements |
| Inspection | 100% |
| Brand Name | ZHONGQIANG |
| Certification | ISO |
| Place of Origin | china |
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Product Specification
| Payment Terms | L/C,T/T | Supply Ability | 20000Tons/Month |
| Delivery Time | 7 - 15 Days | Coil Width | 600~1250mm |
| Inner Diameter | 508/610mm | Ral Color | All RAL Color |
| Port | shanghai,tainjin,qingdao,guangzhou | Stock | Stock |
| Application | Roofing, Wall, PPGI Base Material | Specification | According to customer requirements |
| Inspection | 100% | Brand Name | ZHONGQIANG |
| Certification | ISO | Place of Origin | china |
| High Light | Durable Galvanized Coil ，HDG Galvanized Coil ，Corrosion Resistant Galvanized Coil | ||
Hot-Dip Galvanizing
Hot-dip galvanizing (often abbreviated as HDG) is a widely used corrosion protection process for steel and iron products. It involves immersing clean, pre-treated metal components into a bath of molten zinc (typically at a temperature of 440–460°C), allowing a metallurgical bond to form between the zinc and the base metal, resulting in a durable, corrosion-resistant coating.
1. Key Characteristics
Exceptional Corrosion Resistance: The zinc coating acts as a physical barrier against moisture, oxygen, and other corrosive elements. Even if the coating is scratched, zinc provides "cathodic protection" to the exposed steel, slowing down rust formation significantly.
Long Service Life: In most environments (e.g., rural, suburban), HDG coatings can last 30–50 years or more without requiring maintenance, reducing long-term replacement and repair costs.
High Durability: The metallurgically bonded zinc-iron alloy layer is tough and resistant to mechanical damage (such as impact, abrasion, and bending), making it suitable for harsh handling and outdoor use.
Cost-Effectiveness: Compared to other corrosion protection methods (e.g., painting, electroplating), hot-dip galvanizing offers lower life-cycle costs due to its long service life and minimal maintenance needs.
Full Coverage: The molten zinc penetrates gaps, crevices, and complex shapes (e.g., bolts, welds, hollow sections), ensuring complete coating coverage that is hard to achieve with other processes.
2. Applications
Hot-dip galvanizing is widely used across industries where steel/iron components require long-term corrosion protection, especially in outdoor or harsh environments:
Infrastructure & Construction: Street light poles, traffic signal poles, guardrails, highway sound barriers, bridge steel structures, and building curtain wall frames.
Industrial Equipment: Steel frames of factories, ventilation ducts, water treatment tanks, chemical storage racks, conveyor systems, and agricultural machinery (e.g., tractor parts, irrigation equipment).
Power & Energy: Transmission towers, substation steel structures, wind turbine towers, and oil/gas pipeline
supports.
Transportation: Steel components of railway tracks (e.g., rail fasteners), ship hull accessories, and trailer frames.
Utility Facilities: Water supply and drainage pipe networks, fire hydrant stands, and sewage treatment plant steel structure
Company Details
Business Type:
Manufacturer,Exporter,Seller
Year Established:
2010
Total Annual:
10000000-20000000
Employee Number:
100~300
Ecer Certification：
Verified Supplier
Shandong Zhongqiang Metal Materials Co., Ltd is a leading company in the metal materials industry, specializing in the sales of a wide range of high-quality metal products. With a strong reputation for excellence and innovation, we have been committed to providing reliable and cost-effective so... Shandong Zhongqiang Metal Materials Co., Ltd is a leading company in the metal materials industry, specializing in the sales of a wide range of high-quality metal products. With a strong reputation for excellence and innovation, we have been committed to providing reliable and cost-effective so...
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