Hot Dip Aluzinc Steel Strip (GL Steel Strip)
Hot Dip Aluzinc Steel Strip (GL Steel Strip)
Note: MOQ, pricing, lead time and payment terms may vary depending on product grade, specifications, order quantity and processing requirements. Please contact QueenMetal (ding@queenmetalgroup.com) for a product-specific quotation.
Product Introduction
Hot Dip Aluzinc Steel Strip (GL Steel Strip) is a narrow, flat steel product made from carbon steel coated with an aluminum-zinc alloy through a continuous hot-dip coating process. The coating is designed to provide corrosion resistance, heat resistance and surface protection for applications requiring coated steel strip. Conventional 55% aluminum-zinc coating contains approximately 55% aluminum, 43.4% zinc and 1.6% silicon, subject to the applicable product standard. Aluzinc steel strip is suitable for industrial components, metal forming, construction accessories, profiles and general fabrication. Queen Metal can coordinate customized strip dimensions, coating specifications, surface treatments and processing requirements according to the required grade, applicable standard and actual production capability.
Specifications
| Item | Details |
|---|---|
| Product Name | Hot Dip Aluzinc Steel Strip |
| Product Type | Aluminum-Zinc Alloy-Coated Steel Strip |
| Common Names | GL Steel Strip, Aluzinc Strip, Galvalume Steel Strip, AZ-Coated Steel Strip |
| Base Material | Carbon steel substrate |
| Coating Type | Hot-dip aluminum-zinc alloy coating |
| Conventional Coating Composition | Approximately 55% aluminum, 43.4% zinc and 1.6% silicon for conventional 55% Al-Zn coating |
| Available Steel Grades | Grades may include DX51D, DX52D, DX53D, S250GD, S280GD and S350GD, subject to applicable standard and availability |
| Applicable Standards | May include ASTM A792/A792M, EN 10346, JIS G 3321 or AS 1397, depending on grade, coating type and order requirements |
| Strip Thickness | Customized according to required specification and production capability |
| Strip Width | Customized narrow-strip width according to order requirements and processing capability |
| Coating Designation | May include AZ coating classes such as AZ30, AZ50, AZ70, AZ100, AZ150 or AZ185, subject to the selected standard and availability |
| Surface Appearance | Metallic aluminum-zinc coating appearance; finish depends on coating process and product specification |
| Surface Treatment | Options may include passivation, non-chromate treatment, oiling or other available treatments, subject to confirmation |
| Edge Type | Slit edge or other available edge condition according to processing requirements |
| Inner Diameter | Subject to the supplied coil format and confirmed order specification |
| Outer Diameter | Customized according to processing capability and packaging requirements |
| Coil Weight | Customized according to strip dimensions, coil format and transport requirements |
| Mechanical Properties | According to the selected steel grade and applicable product standard |
| Dimensional Tolerances | According to the agreed standard and purchase order |
| Processing Services | Slitting, recoiling and other available processing services, subject to confirmation |
| Customization | Steel grade, thickness, width, coating designation, surface treatment, edge condition and coil weight |
| Quality Documents | Material Test Certificate (MTC) may be provided according to order requirements |
| Important Specification Note | AZ coating designation refers to coating mass, not coating thickness in micrometers. Confirm the applicable standard and coating requirements before ordering. |
Need a Customized Solution?
If you cannot find a hot dip aluzinc steel strip (GL Steel Strip) for your project, please contact Queen Metal. We provide customized solutions based on your required grade, dimensions, standard, surface finish, end treatment, and application.
Send us your specifications, technical requirements, drawings, or parameter files, and our team will provide a suitable quotation and supply solution.
Email: ding@queenmetal.com
Applications & Industries
| Application | Typical Uses |
|---|---|
| Construction Components | Metal components and accessories requiring aluminum-zinc coated steel strip |
| Roofing & Cladding Accessories | Formed strips, trims and compatible building components |
| Steel Profile Manufacturing | Feedstock for roll-formed profiles and other formed steel products |
| Industrial Fabrication | Components produced through cutting, forming and fabrication processes |
| HVAC Equipment | Selected housings, panels and components, subject to environmental and design requirements |
| Electrical Equipment | Enclosures and formed components where the specified coating and substrate are suitable |
| Appliance Manufacturing | Selected internal or external components according to product requirements |
| Agricultural Buildings | Components for agricultural structures and equipment, subject to exposure conditions |
| General Metal Processing | Slitting, stamping, bending and other compatible forming applications |
| Steel Service Centers | Narrow-width coated steel supply for downstream processing and distribution |
Quality Assurance & Testing
| Quality Control Item | Inspection Details |
|---|---|
| Material Verification | Check steel grade and material documentation against order requirements |
| Thickness Inspection | Verify strip thickness against the agreed specification and tolerances |
| Width Inspection | Check strip width and dimensional consistency |
| Coating Specification | Verify the specified aluminum-zinc coating designation and applicable requirements |
| Surface Inspection | Check for visible surface defects and coating irregularities |
| Surface Treatment | Verify the specified surface treatment, where applicable |
| Mechanical Properties | Testing and documentation according to the selected grade and applicable standard |
| Formability | Evaluate suitability for the specified forming process when required |
| Coating Adhesion | Testing according to the applicable standard and agreed inspection requirements |
| Edge Condition | Check slit edges and edge quality against the order specification |
| Coil Weight & Packaging | Verify recorded coil weight, identification and packaging requirements |
| Material Test Certificate | MTC available according to order requirements |
| Traceability | Product identification and documentation according to the applicable order and quality procedures |
| Third-Party Inspection | SGS or BV inspection can be arranged upon request, subject to agreement on scope and cost |
| Acceptance Criteria | Inspection methods, tolerances and acceptance requirements shall follow the confirmed standard and purchase order |
Packaging & Logistics
| Item | Details |
|---|---|
| Packaging Type | Export packaging according to strip dimensions, coil format and transport requirements |
| Inner Protection | Protective wrapping and moisture-resistant materials as required |
| Outer Protection | Protective steel sheets or other suitable outer protection, where applicable |
| Edge Protection | Edge protectors may be used to help reduce handling damage |
| Strapping | Coils secured with suitable strapping for handling and transportation |
| Coil Orientation | Vertical-eye or horizontal-eye packaging, subject to coil format and agreement |
| Moisture Protection | Waterproof and moisture-resistant packaging suitable for the planned shipment |
| Product Identification | Labels showing agreed product and order information |
| Container Loading | Container shipment subject to coil dimensions, weight limits and loading arrangements |
| Shipping Method | Sea freight or other available transport arrangements according to destination and order |
| Minimum Order Quantity | Confirmed according to required specifications, production arrangements and order quantity |
| Lead Time | Confirmed after specifications, quantity and production schedule are agreed |
| Customized Packaging | Packaging, marking, coil weight and shipping requirements can be discussed before order confirmation |
FAQS
1. What is hot dip Aluzinc steel strip?
Hot dip Aluzinc steel strip is carbon steel strip coated with an aluminum-zinc alloy through a hot-dip coating process. It is used in applications requiring coated steel strip with corrosion protection and suitable surface properties.
2. What is the difference between Aluzinc steel strip and galvanized steel strip?
Aluzinc steel strip uses an aluminum-zinc alloy coating, while conventional galvanized steel strip (GI) uses a zinc coating. Their coating compositions and performance characteristics differ, so the appropriate product should be selected according to the application, exposure conditions and applicable specification.
3. What thicknesses and widths are available for Aluzinc steel strip?
Thickness and width depend on the required dimensions, coating specification and actual supply or slitting capability. Please provide your target thickness, width, steel grade and quantity so the available options can be checked.
4. Can Aluzinc steel strip be supplied with customized coating specifications?
Customization may be available for coating designation, surface treatment, strip dimensions, edge condition and coil weight. The requested coating class and treatment should be confirmed against the applicable standard and production availability before order placement.
5. Can Queen Metal provide inspection documents and export packaging?
Queen Metal can coordinate material documentation, agreed quality checks and export packaging according to order requirements. MTC documentation and third-party inspection by SGS or BV can be arranged upon request, subject to confirmation of the inspection scope and commercial terms.
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