Alloy 3004 & 3104 H18/H22/H24 Corrugated Aluminum Sheet: Durable & Versatile for Architectural & Industrial Enclosures

When your projects need corrugated sheets that balance durability, weather resistance, and formability-whether for commercial building roofing, industrial warehouse walls, or packaging solutions-Alloy 3004 and 3104 H18/H22/H24 corrugated aluminum sheets are the reliable choice. As manganese-based 3XXX-series alloys, these sheets are engineered specifically for corrugation processes, retaining their structural integrity even after being formed into the iconic wavy profile. Unlike steel corrugated sheets that rust or fiberglass that frays, 3004 and 3104 corrugated aluminum offers long-lasting performance with minimal maintenance, making them a top pick for fabricators and contractors worldwide.

What makes 3004 and 3104 ideal for corrugated applications? Their manganese content enhances both strength and ductility, allowing them to be easily rolled into corrugated profiles without cracking-even in the harder H18 temper. The H18, H22, and H24 tempers (cold-worked to different strengths) let you tailor the sheet to your project's load and flexibility needs: H18 for maximum rigidity, H22 for a balance of strength and formability, and H24 for enhanced durability in high-stress areas. 3104 steps up from 3004 with slightly higher strength, making it perfect for larger-span roofing, while 3004 shines in cost-effective general-purpose enclosures. Together, they cover 90% of corrugated aluminum needs in architecture, industry, and packaging.

3004 vs. 3104: Choose the Right Alloy for Your Corrugated Project

Selecting between 3004 and 3104 comes down to your project's strength requirements, span length, and budget. Here's a straightforward, industry-focused breakdown-including the right tempers for each use case:

Pro Tip for Buyers: For coastal or industrial areas with harsh corrosion risks, opt for 3104 H24 corrugated sheets. Their higher strength and superior corrosion resistance ensure longevity-critical for projects where maintenance is hard to access (e.g., high roofing or offshore structures).

Key Properties of 3004 & 3104 Corrugated Aluminum Sheets

Corrugated projects demand materials that excel in both formability and performance. Here's how 3004 and 3104 deliver across the most important metrics:

Why 3004/3104 Corrugated Aluminum Beats Other Materials

When it comes to corrugated enclosures and packaging, 3004 and 3104 aluminum solve the flaws of traditional materials:

vs. Steel Corrugated Sheets: 65% lighter, so installation is 30% faster (no heavy lifting equipment needed). No rust or corrosion-saves $2–4 per square meter annually on anti-corrosion maintenance. Aluminum is also non-magnetic, ideal for industrial areas with sensitive equipment.

vs. Fiberglass Corrugated Panels: 10x more durable-fiberglass frays, cracks, and yellows in UV light, while 3004/3104 retain their strength and appearance for 20+ years. Aluminum is also fire-resistant, a critical safety feature for commercial buildings.

vs. 1050/1060 Corrugated Aluminum: 3004/3104 are 40–60% stronger, making them suitable for structural roofing/walls that 1050/1060 (pure aluminum) can't handle. Their corrosion resistance is also far superior in harsh environments.

vs. Plastic Corrugated Sheets: Heat-resistant (stable up to 120°C) and impact-resistant-plastic warps in high temperatures and cracks in cold weather. Aluminum is also recyclable, aligning with sustainable building goals.

Real-World Corrugated Applications: Where 3004 & 3104 Shine

These corrugated aluminum sheets are workhorses across industries that demand durability and versatility. Here's where they prove their worth daily:

Real Customer Story: A construction company in Florida used 3104 H24 corrugated aluminum sheets (1.8mm) for the roofing of a 10,000㎡ warehouse. They chose 3104 over steel to avoid rust in the humid coastal climate and found installation was 25% faster due to the aluminum's lightweight. After 4 years of heavy rain, salt spray, and hurricane-force winds, the roof shows no signs of corrosion or damage. The company also noted that the corrugated profile's shape retention was excellent-no sagging even over 6m spans.

Pro Tips for Working With 3004/3104 Corrugated Aluminum Sheets

We've talked to hundreds of fabricators and installers specializing in corrugated aluminum-here's their best advice to get perfect results:

Installation: Use aluminum-compatible fasteners (stainless steel or aluminum) to avoid galvanic corrosion. Leave a 5–10mm expansion gap between panels to accommodate thermal expansion (aluminum expands slightly in high temperatures).

Cutting: Use a jigsaw with a fine-tooth blade or a circular saw (100+ teeth) for straight cuts. For corrugated profiles, cut along the flat sections (not the peaks/valleys) to avoid damaging the profile shape. Avoid plasma cutting for thin gauges-high heat can warp the sheet.

Finishing: For coastal or industrial environments, apply a clear anodized layer or marine-grade powder coat to boost corrosion resistance. For general use, the mill finish is sufficient-3004/3104's natural oxide layer provides ample protection.

Temper Selection: For long-span roofing (4m+), choose H18 temper (max rigidity). For curved corrugated applications (e.g., canopies), opt for H22 (better formability). For harsh environments, H24 offers the best balance of strength and corrosion resistance.

Handling & Storage: Store sheets horizontally on a flat surface with foam spacers to prevent bending the corrugated profile. Wear clean gloves-oils from hands can damage the surface and affect finish adhesion.

Our 3004 & 3104 Corrugated Aluminum Sheet Specifications

We supply corrugated aluminum sheets tailored to your project needs-here's how we can fit your requirements:

Thickness Range: 0.5mm – 3.0mm (most popular: 0.8–2.0mm for architectural/industrial use)

Corrugated Profiles: Standard: 50/150mm pitch, 75/200mm pitch; Custom profiles available (minimum order 1000㎡)

Tempers Available: H18, H22, H24

Finishes: Mill finish (ready for installation), clear anodized, powder-coated (custom colors per RAL codes), PVDF coating (for high-performance architectural applications)

Certifications: ASTM B209, ISO 6362, AAMA 2605 (architectural coating standard), ISO 9001. Every batch includes a Material Test Report (MTR) with strength, corrosion resistance, and chemical composition data-critical for project compliance.

For projects that demand durable, lightweight, and corrosion-resistant corrugated sheets, Alloy 3004 and 3104 H18/H22/H24 corrugated aluminum sheets are the ultimate choice. They're not just materials-they're the foundation of long-lasting, low-maintenance enclosures and packaging that stand up to harsh weather, heavy loads, and industrial wear. Whether you're building a commercial warehouse, a coastal home, or manufacturing packaging solutions, these corrugated aluminum sheets deliver the performance you can trust.