Henan Zhongxin Aluminum Co.,Ltd.

24/06/2026

🔵 Sourcing aluminum circle plates? Here's what you need to know before placing your order.
Whether you're making cookware, lighting reflectors, traffic signs, or industrial flanges — the alloy and temper you specify makes all the difference.
📌 1060 aluminum circles → cookware bases, deep drawing

📌 3003 aluminum circles → pressure cooker lids, general stamping

📌 5052 aluminum circles → traffic signs, marine applications

📌 6061 aluminum circles → flanges, machined parts, heat sinks
We've published a full buyer's guide covering sizes (4 inch to 600 mm), pricing, surface finishes, and step-by-step cutting methods.
Need a quote? Drop your spec in the comments or send us a message — we respond within 24 hours. 🏭

✉️[email protected]

22/06/2026

: PE vs PVDF, Colors, Alloys, and Buying Guide

Color coated aluminum coil — also called pre-painted aluminum coil or painted aluminum coil — is one of the most widely used materials in modern construction, signage, and manufacturing. It arrives from the supplier already finished in the required color, ready to cut, bend, roll-form, or stamp without any additional painting step in your facility.
This guide covers how the coil coating process works, the critical difference between PE and PVDF coatings, alloy selection, RAL color standards, typical applications, specifications to check before ordering, and what drives the price of color coated aluminum coil.

➡️What Is Color Coated Aluminum Coil?
➡️The Coil Coating Process: How Paint Becomes Part of the Aluminum
➡️PE vs PVDF Coating: Which One Do You Need?
➡️Alloy Selection for Color Coated Coil
➡️Colors and Color Standards: RAL, Pantone, and Custom Matching
➡️Applications: Where Color Coated Aluminum Coil Is Used
➡️Coil Specifications: What to Check Before Ordering
➡️Price: What Drives the Cost of Color Coated Aluminum Coil
➡️Quick Decision Guide: Choosing Your Specification
➡️How to Order: RFQ Checklist for Color Coated Aluminum Coil
➡️Why Source Color Coated Aluminum Coil From Us

18/06/2026

Calling all sign makers and channel letter fabricators! 📢

Do you know the difference between mill edge and slit edge aluminum coil?

If you’re making channel letters, it matters more than you think.

Mill edge = rough, uneven edge from the rolling process
Slit edge = clean, straight edge from precision cutting

The edge of your coil becomes the VISIBLE FRONT EDGE of your letter return. Mill edge shows. Slit edge doesn’t.

That’s just one thing we cover in our new guide on aluminum coil for channel letters:

✅ 3003 vs 5052 — which alloy for which sign
✅ Coil width by letter depth (75mm, 100mm, 150mm+)
✅ Why 0.5mm is the minimum practical thickness
✅ Pre-coated white and black coil to skip the paint step
✅ Full ordering checklist so you get exactly what you need

👇 Full guide in the comments

We supply 3003 and 5052 channel letter coil with slit edge, in widths from 50mm to 1250mm. Get a quote in 24 hours.

04/06/2026

Anodized aluminum is everywhere — window frames, phone cases, elevator panels, signage, kitchen appliances.

But not all anodized aluminum is the same. 🔍

Here’s what you should know before ordering:

✅ Film thickness matters: AA10 is for indoors, AA15 for general outdoor, AA20 for coastal or harsh environments
✅ Alloy choice affects finish quality: 6063 and 1100 give the cleanest, brightest anodize — 6061 can streak
✅ Surface texture is set BEFORE anodizing: brushed, mirror polish, or matte must be specified upfront
✅ Black anodize ≠ all black anodize: organic vs inorganic dye affects UV stability outdoors
✅ Hard anodize (Type III) is a completely different product from standard Type II

We put together a full buying guide covering the process, types, colors, alloy selection, price factors, and exactly what to tell your supplier.

👇 Link in the comments

01/06/2026

Ever wondered what the numbers on aluminum alloys actually mean? 🤔

6061. 5083. 7075. 3003.

They're not random — each number tells you exactly what's in the alloy and what it's good for.

Here's the quick version:

✅ 1### = Pure aluminum → food packaging, heat exchangers
✅ 3### = Manganese → roofing, HVAC, channel letter signs
✅ 5### = Magnesium → boats, marine structures, fuel tanks
✅ 6### = Mg + Si → windows, structural frames, general fabrication
✅ 7### = Zinc → aircraft, drones, high-strength machined parts

We put together a complete guide covering all 7 series — properties, applications, price comparison, and a simple table to match your project to the right alloy.

👇 Link in the comments

28/05/2026

Sheet or coil — which aluminum form should you be buying? 🤔

If you're running a sign shop, roofing business, or HVAC fabrication, you've probably asked this question.

Here's the short version:

✅ Buy SHEET if:
— You have mixed specs and smaller runs
— No decoiler equipment on site
— You need flexibility to switch materials quickly

✅ Buy COIL if:
— You're making channel letters, roofing panels, or gutters
— Your line runs continuously and needs uninterrupted feed
— You're using 2+ tonnes/month of the same spec

Coil is typically 5–15% cheaper per kg — but only worth it if your setup can handle it.

We put together a full guide with a coil weight calculator, ordering checklist, and application table by industry.

👇 Link in the comments

22/05/2026

Looking for the right aluminum sheet for your project? 🏭

We just published a complete guide on 1060 aluminum sheet — covering properties, tempers, sizing, and how it stacks up against 6061, 5052, and 3003.

1060 aluminum is the go-to choice for:
⚡ Electrical busbars and transformer windings
🏠 Roofing and cladding panels
🍳 Cookware and food equipment
🔋 Battery current collector foil

Whether you're an engineer, buyer, or manufacturer — this guide has everything you need.

🔗 Read more:

1060 aluminum sheet offers 99.6% purity, excellent conductivity (~61% IACS), and easy formability. Compare 1060 vs 6061, 5052, and 3003. View properties, tempers (O, H14, H24), and get a quote.

18/05/2026

🔵 Does your building cladding still look good after 20 years?
With PVDF coated aluminum coil, the answer is yes.
PVDF coating bonds directly to the aluminum surface through a high-temperature coil coating process — delivering a finish that resists UV, acid rain, salt spray, and industrial pollution for 20–30 years without fading or peeling.
✅ 1,000+ colors available — RAL, Pantone, NCS or custom match
✅ Thickness 0.2–4.0mm | Width up to 2650mm
✅ AAMA 2605 certified
✅ Factory direct pricing | Low MOQ
Whether you need facade panels, roofing coil, ACP facing, or ceiling systems — we supply it all.
👉 Get your free quote today.

15/05/2026

🤔 Choosing between 5083 and 5052 aluminum?

You're not alone — it's one of the most common questions we get from buyers in shipbuilding and automotive industries.

Here's the short answer:
➡️ Need maximum strength + seawater resistance? → Go with 5083
➡️ General sheet metal work on a tighter budget? → 5052 works fine

But there's a lot more to it — temper selection, welding wire choice, price factors...

We just wrote a detailed guide that covers it all. No fluff, just the specs and facts you need before placing your order.

📖 Check it out: on our website.

💬 What industry do you use aluminum coil in? Drop a comment below — we'd love to hear from you!

Welcome to contact us:
Email: [email protected]
Tel: 0086-371-68630632
WhatsApp/WeChat: 0086-13526561516

11/05/2026

If you're sourcing aluminum flat products, here's the question that comes up on almost every project:

Sheet or plate?

The short answer depends on what you're building:

Choose sheet (≤6.35 mm) for:
— Roofing and wall cladding (3003-H24, 0.5–1.2 mm)
— HVAC ductwork (3003-H14)
— Signage and advertising panels (1100/5052, 1–3 mm)
— Sublimation photo printing (coated 1100, 0.45–1.5 mm)
— Anodized decorative panels (6063/1100)
— Food packaging and containers (1100-O)

Choose plate (>6.35 mm) for:
— Marine hull and ship structure (5083-H116, 6–20 mm)
— Machine bases and tooling (6061-T651, 10–100 mm)
— Aerospace structural parts (2024-T351 / 7075-T651)
— Pressure vessels and tanks (5083/6061)

We've also put together a gauge-to-mm conversion chart, a price-per-square-meter calculation guide, and a full ordering checklist — all in one article.

Link in the first comment.

We supply both sheet and plate across all major alloys, with cut-to-size service and MTC documentation. RFQ response within 24 hours.