Zinc Alloy Color Coated Steel Coil - Mill Direct |

Xinpeng Color Coating Co., Ltd.

Verified Custom manufacturer · 2 yrs ·

China

Customizable Rock-bottom price

$578 1-49 ton Base price

$553 50-99 ton 4.3% off

$540 ≥100 ton 6.6% off

Price validity: subject to market conditions

Supplier's customization ability

Drawing-based customization
Sample-based customization
Full customization

Quantity

Minimum order quantity: 1 ton

Shipping total: To be negotiated

Subtotal of goods US$ 578.00

Start order request

Payment and delivery

Payment:: by contract — deposit, balance after your inspection
Lead time:: confirmed with the quotation
Packaging:: standard export packing
Samples:: available on request

Product details

Technical Specifications of Zinc Alloy Color Coated Steel Coil

Property	Parameter	Description
Product Name	Zinc Alloy Color Coated Steel Coil	Pre-painted galvalume/zinc-alloy coated steel coil with polymer coating
Material Grade	TDC51D+AZ, TDC52D+AZ, TS280GD+AZ, TS350GD+AZ	Equivalent to ASTM A792 Grade 33/37/50, JIS G3321 SGLCC/SGLCD
Standard Compliance	ASTM A792 / EN 10346 / JIS G3321 / GB/T 14978	Zinc-aluminum alloy coated substrate with color coating per EN 10169
Chemical Composition (Coating)	Zn: 43.4–43.9%, Al: 55%, Si: 1.6%	Zinc-aluminum-silicon alloy coating (Galvalume® type, AZ150)
Chemical Composition (Base Steel)	C ≤ 0.12%, Mn ≤ 0.60%, P ≤ 0.030%, S ≤ 0.025%, Si ≤ 0.50%	Low-carbon cold-rolled steel substrate for forming and bending
Tensile Strength	280–550 MPa	Per ASTM A792 / EN 10346; varies by grade (e.g., TS350GD+AZ: ≥420 MPa)
Yield Strength	220–420 MPa	Rp0.2; TS280GD+AZ ≥280 MPa, TS350GD+AZ ≥350 MPa per EN 10346
Elongation	≥16–22%	A80mm; TDC51D+AZ ≥22%, structural grades ≥16% per EN 10346
Coating Mass	AZ50–AZ185 (50–185 g/m²)	Total both sides; AZ150 (150 g/m²) most common for roofing/cladding
Paint Coating System	Primer: 5–8 µm; Top coat: 15–25 µm; Back coat: 5–15 µm	Polyester (PE), PVDF, SMP, HDP; RAL/custom colors available
Thickness Range	0.20–1.50 mm	Base metal thickness excluding coating; tolerance per EN 10143
Width Range	600–1,500 mm	Slit coil available; standard widths 914 mm, 1,000 mm, 1,219 mm, 1,250 mm
Coil Inner Diameter	508 mm / 610 mm	Standard ID; coil weight 3–10 MT per coil
Surface Finish	Smooth / Embossed / Matte / High Gloss	60° gloss range 10–80 GU; anti-fingerprint and anti-scratch options available
Application	Roofing, wall cladding, garage doors, home appliances, HVAC ducts	Suitable for construction, automotive trim, and industrial panel fabrication
Certification	ISO 9001, CE Marking, SGS, RoHS	REACH compliant; lead-free coating available upon request
Packaging	Eye-to-sky or eye-to-wall on wooden/steel pallet	Waterproof paper + steel strip strapping; seaworthy export packing
MOQ	25 MT per order	Mixed grades/colors accepted; sample coil (≥500 kg) available

Zinc Alloy Color Coated Steel Coil - Mill Direct |

Zinc alloy color coated steel coil represents one of the most advanced surface-treated steel products available in today's construction and manufacturing markets. Engineered by applying a zinc-aluminum alloy base coating followed by a polymer color finish, this material delivers a remarkable combination of corrosion resistance, aesthetic appeal, and structural integrity. With a zinc-aluminum alloy coating weight typically ranging from AZ50 to AZ150 (50–150 g/m²), these coils outperform conventional galvanized substrates by up to three to six times in salt-spray resistance, making them a preferred choice for architects, contractors, and OEM manufacturers worldwide. The color coating layer — commonly polyester (PE), high-durability polyester (HDP), or polyvinylidene fluoride (PVDF) — adds an additional barrier against UV degradation, chemical exposure, and mechanical abrasion. Whether used in roofing panels, wall cladding, home appliances, or automotive components, zinc alloy color coated steel coil serves critical roles across industries that demand long service life and consistent visual quality.

What is Zinc Alloy Color Coated Steel Coil?

Zinc alloy color coated steel coil is a composite flat-rolled steel product manufactured by continuously applying a zinc-aluminum (or zinc-aluminum-magnesium) alloy metallic layer onto a cold-rolled steel substrate, followed by chemical treatment, primer coating, and a decorative topcoat layer. The result is a multi-layer material that combines the mechanical strength of steel — with a base metal yield strength of 280–550 MPa depending on grade — with the corrosion protection of the alloy coating and the weather resistance of the organic color finish.

Zinc Alloy Color Coated Steel Coil Manufacturing Process

Production begins with premium-grade cold-rolled steel coils fed into a continuous hot-dip coating line, where the strip is annealed and immersed in a molten zinc-aluminum alloy bath at approximately 600°C. After controlled air-knife wiping to achieve precise coating thickness, the strip passes through a chemical passivation stage, then enters a multi-roll coater applying primer (5–8 µm) and topcoat (15–25 µm) layers. Curing ovens at 220–260°C peak metal temperature (PMT) cross-link the organic resins, ensuring adhesion exceeding 0T bend test requirements per EN 10169.

Zinc alloy color coated steel coil supplier

Zinc Alloy Color Coated Steel Coil Technical Specifications

Standard coil widths range from 600 mm to 1,250 mm with thickness from 0.18 mm to 1.20 mm. Alloy coating options include Galvalume® (55% Al–Zn) and ZAM® (Zn-Al-Mg), with coating masses of AZ50–AZ185 per ASTM A792. Topcoat systems include PE (pencil hardness 2H), HDP, and PVDF (chalk resistance rating ≥8 per ASTM D4214 after 20-year exterior exposure). Salt-spray resistance reaches 1,000–3,000 hours per ASTM B117. Coil inner diameter is 508 mm or 610 mm, with coil weight up to 8 MT.

Zinc alloy color coated steel coil manufacturer

Get a Competitive Quote for Zinc Alloy Color Coated Steel Coil

Our mill-direct supply model eliminates intermediary markups, delivering cost-effective pricing on zinc alloy color coated steel coil with verified quality documentation including mill test certificates, SGS inspection reports, and full ASTM/EN compliance. Minimum order quantities start from 25 MT with flexible color and specification customization available.

24/7 customer support available
Free samples for quality evaluation
Competitive pricing for bulk orders
Professional technical consultation

Contact us today to get your free quote within 24 hours!

Zinc alloy color coated steel coil wholesale

Ratings & Reviews

4.5

Based on 8 reviews

5 5

4 2

3 1

2 0

1 0

Michael R.

United States

2025-02-01

Initial documentation delay resolved — quality itself was fine

We ordered 30 MT of 0.50 mm HDP coated ZAM® coil for industrial wall panel fabrication. The steel quality met our requirements — 0T bend test passed, coating weight confirmed at AZ120 per ASTM A792, and surface finish was acceptable. However, the SGS inspection report was delayed by nearly a week past the agreed date, which held up our customs clearance. After escalating to the account manager, the issue was resolved and they expedited the documentation. They've since updated their process. Quality is genuinely good; just ensure documentation timelines are confirmed in writing upfront.

Ahmed K.

UAE

2025-02-23

Competitive pricing and solid documentation for regional distribution

We distribute to contractors across the GCC region and sourced 90 MT of 0.60 mm AZ100 Galvalume® coil with PE topcoat for roofing applications in high-temperature environments. ASTM A792 mill certs and SGS reports were provided promptly. The 1,000-hour salt-spray result was adequate for our standard projects. Pricing was 8–10% lower than our previous European supplier for comparable specs. Shipping to Jebel Ali took 35 days, slightly longer than quoted, but the supplier kept us updated throughout. Overall a worthwhile trade relationship.

Sarah M.

United Kingdom

2025-03-17

Good value for money, minor color batch variation noted

Purchased 40 MT of 0.40 mm PVDF coil in RAL 9002 for a façade project. Overall quality was solid — ASTM B117 salt-spray at 1,500 hours confirmed, yield strength at 350 MPa, coil ID at 508 mm as specified. We did notice a slight color variation between two coils from different production batches, though still within Delta-E tolerance. The team acknowledged it quickly and offered priority scheduling for replacement coils. Price point remains very competitive for PVDF grade. Would order again with batch consistency noted in our requirements.

Know your supplier

Xinpeng Color Coating Co., Ltd.

2 yrs on Sinoali.com

Located in China

Company information More goods

Company Profile

Xinpeng Color Coating Co., Ltd. is a specialized industrial enterprise focusing on high-performance Color Coated Steel Sheet production and global export business. We integrate independent research, production and trade, supplying standard and custom color coated steel sheets with complete material grades and color options.

Equipped with international-level production equipment and sophisticated testing instruments, we implement full-process quality inspection to guarantee corrosion resistance, surface flatness and coating durability. With abundant spot inventory, professional export packaging and efficient logistics scheduling, we support bulk orders and short lead times. Our products serve construction engineering, automotive industry, household appliances, shipbuilding and energy sectors. We uphold integrity and innovation, commit to tailored solutions and stable supply for worldwide B2B customers.