hannstarindustry01

Spangle-Free Galvanized Coil,Structural Galvanized Coil,Heavy-Gauge Galvanized Coil

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Galvanized steel sheet zinc steel metal coil

Basic Info

BrandHannstar

StandardAisi, Astm, Bs, Din, Gb, Jis

Tolerance±1%

Processing ServiceBending, Welding, Decoiling, Punching, Cutting

Additional Info

Packaging3 layers water proof standard export package

Productivity300000 tons

TransportationOcean,Land

Place of OriginChina

Supply Ability10000 tons per month

CertificateISO9001

HS Code72106100

PortTianjin,Qingdao

Product Description

High-Quality Galvanized, Aluzinc, Galvalume, Aluminum, and Stainless Steel Products for Global Industrial Applications

Discover premium-grade steel and aluminum solutions engineered for durability, corrosion resistance, and aesthetic appeal across diverse global industries. Our product line includes Galvanized Steel coils, Galvalume® steel, Aluzinc steel, Aluminum Coil/pipes/plates, and Stainless Steel sheets—all manufactured using advanced metallurgical processes that meet or exceed international standards such as ASTM, JIS, EN, and ISO. Each material is designed to deliver long-term performance in demanding environments while maintaining compliance with environmental regulations like RoHS.

Key features include a uniform zinc-iron alloy coating on hot-dip galvanized steel, an aluminum-zinc-silicon alloy layer on Galvalume and Aluzinc products, and a protective passivation film on stainless steel—ensuring exceptional protection against rust, weathering, and chemical exposure. These materials are ideal for structural components, architectural cladding, appliance manufacturing, automotive parts, and more, offering superior adhesion, formability, and surface finish quality.

Our continuous hot-dip galvanizing process creates a metallurgically bonded zinc coating that resists peeling even under bending stress, making it perfect for outdoor infrastructure elements such as bridge supports, utility poles, and industrial roofing systems. Galvalume and Aluzinc steels provide enhanced corrosion resistance compared to traditional galvanized options, thanks to their unique alloy composition and two-phase plating solution technology. This makes them especially suitable for coastal installations, harsh climates, and applications requiring lightweight yet robust materials. Prepainted steel offers both visual consistency and weather resilience through high-performance polyester or fluoropolymer coatings applied via roller coating methods—ideal for color-coated building panels and durable white goods exteriors.

Aluminum Products, made from wrought alloys following GB/T 3190 specifications, offer flexibility in hardness states based on cold rolling treatments. When heat-treated and aged, these alloys achieve aerospace-grade strength; when anodized, they combine elegance with functionality for modern curtain wall designs. Meanwhile, stainless steel grades based on Fe-Cr-Ni systems maintain stability across extreme temperatures and resist contamination—making them compliant with FDA standards for food processing equipment and reliable for chemical pressure vessels.

Users report consistent satisfaction with our materials’ ability to reduce maintenance costs, extend service life, and support sustainable design goals. Whether used in construction, transportation, consumer electronics, or energy sectors, each product demonstrates reliability under real-world conditions—from urban skyscrapers to offshore platforms.

Frequently asked questions often center around the difference between galvanized and Galvalume Steel, with users seeking clarity on which option offers better longevity in humid or salty environments. The answer lies in the alloy composition: while galvanized steel relies primarily on zinc, Galvalume’s blend of aluminum, zinc, and silicon provides up to three times greater corrosion resistance in certain settings. Another common inquiry involves prepainted steel’s durability—our fluorocarbon-coated variants retain color vibrancy and mechanical integrity for over 20 years without fading or chipping, outperforming many competing brands.

Product Categories : Steel Products > Galvanized Steel

Product Images

  • Galvanized steel sheet zinc steel metal coil
  • Galvanized steel sheet zinc steel metal coil
  • Galvanized steel sheet zinc steel metal coil
  • Galvanized steel sheet zinc steel metal coil
  • Galvanized steel sheet zinc steel metal coil
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