High Strength Color Steel Panel - Mill Direct Supplier

Xinpeng Color Coating Co., Ltd.

Verified Custom manufacturer · 2 yrs ·

China

Customizable Rock-bottom price

$820 1-49 ton Base price

$784 50-99 ton 4.4% off

$766 ≥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$ 820.00

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 High Strength Color Steel Panel

Property	Parameter	Description
Product Name	High Strength Color Steel Panel	Pre-painted high-strength steel panel with protective coating for structural and architectural use
Material Grade	S550GD / DX51D+Z / Q550 / SGCC	Equivalent to EN 10346 S550GD, ASTM A653 Grade 80, JIS G3302 SGCC high-strength series
Standard Compliance	EN 10346 / ASTM A653 / JIS G3302 / GB/T 12754	Meets international standards for hot-dip zinc-coated and pre-painted steel strip
Chemical Composition (C)	≤ 0.12%	Low carbon content ensures formability and weldability
Chemical Composition (Mn)	≤ 1.60%	Manganese enhances tensile strength and hardness
Chemical Composition (P / S)	P ≤ 0.030% / S ≤ 0.025%	Controlled phosphorus and sulfur for improved toughness
Chemical Composition (Si)	≤ 0.50%	Silicon improves coating adhesion and corrosion resistance
Tensile Strength	550 – 700 MPa	Per EN 10346 S550GD and ASTM A653 Grade 80; high load-bearing capacity
Yield Strength	≥ 550 MPa (ReH)	Minimum yield strength per EN 10346; suitable for heavy-duty structural applications
Elongation	≥ 6% (A80mm)	Adequate ductility for roll-forming and bending operations
Thickness Range	0.3 – 1.5 mm (base metal)	Total thickness including coating; custom thickness available upon request
Width Range	600 – 1250 mm	Standard coil width; slit-to-width service available
Coating Type & Weight	Zinc: Z60–Z275 g/m²; Galvalume: AZ100–AZ150 g/m²	Hot-dip galvanized or Galvalume substrate; top coat PVDF or PE paint 15–25 μm
Surface Finish	PVDF / Polyester (PE) / SMP coating	RAL color customizable; smooth, embossed, or matte finish; UV and weather resistant
Application	Roofing, wall cladding, industrial buildings, warehouses, cold storage	Widely used in construction, prefabricated structures, and agricultural facilities
Certification	ISO 9001 / CE / SGS / BV	Quality management and third-party inspection certifications available
Packaging	Coil or cut-to-length sheets; waterproof paper + steel strip bundling	Export-standard packaging; moisture-proof and rust-proof for sea freight
MOQ	25 Metric Tons per order	Mixed specifications accepted; OEM and custom orders welcome

High Strength Color Steel Panel - Mill Direct Supplier

High strength color steel panel serves as a cornerstone material across modern construction, industrial roofing, and prefabricated building systems worldwide. Engineered to deliver a tensile strength of no less than 550 MPa per GB/T 12754 standards, these panels combine structural rigidity with a factory-applied polymer coating that resists UV degradation, moisture infiltration, and chemical exposure simultaneously. Unlike conventional galvanized sheets, high strength color steel panels integrate a hot-dip zinc or zinc-aluminum alloy substrate — typically with a coating mass of 60–275 g/m² — topped by a baked-on PVDF or polyester finish layer ranging from 15 µm to 35 µm in thickness. This dual-layer protection system extends service life beyond 25 years even in coastal or industrial atmospheres. Industries ranging from logistics warehousing and cold-storage facilities to residential villa cladding and agricultural greenhouses rely on these panels for their outstanding anti-corrosion properties, lightweight profile, and rapid installation characteristics that reduce overall project timelines by up to 30%.

What is High Strength Color Steel Panel?

A high strength color steel panel is a cold-rolled, high-yield steel substrate — commonly Q550 or equivalent grade — that undergoes continuous hot-dip galvanizing followed by a multi-layer color-coating process. The finished product achieves a yield strength of 550 MPa minimum, an elongation rate of ≥12%, and a base metal thickness spanning 0.3 mm to 1.2 mm, making it suitable for load-bearing roof decks, wall cladding, and composite sandwich panels in both commercial and residential structures.

High Strength Color Steel Panel Manufacturing Process

Production begins with premium cold-rolled coil fed into a continuous pickling and annealing line to refine grain structure and eliminate internal stress. The strip then passes through a molten zinc or zinc-aluminum bath at approximately 460 °C, forming a metallurgically bonded alloy layer. After cooling and surface passivation, a chemical conversion coating is applied, followed by primer and topcoat baking at 230 °C–260 °C in a precision-controlled oven, ensuring uniform adhesion and consistent color across each coil.

High Strength Color Steel Panel Technical Specifications

Standard color steel panels are available in widths of 900 mm, 1000 mm, and 1250 mm with effective coverage widths of 750 mm–1000 mm depending on profile geometry. Base metal thickness ranges from 0.3 mm to 1.2 mm; zinc coating mass options include Z60, Z120, Z180, and Z275 per ISO 3575. Surface hardness reaches HRB 60–75, and the 180° T-bend test confirms coating flexibility with a result of ≤2T. Color options span RAL and Chinese GB standard palettes, with gloss levels from 10 to 85 GU measurable at 60°.

High strength color steel panel manufacturer

Get a Competitive Quote for High Strength Color Steel Panel

As a mill-direct supplier, we eliminate intermediary markups and offer cost-effective pricing on full-container and LCL shipments alike. Share your project specifications — thickness, coating grade, color code, and quantity — and our technical team will respond with a tailored proposal within 24 hours.

High strength color steel panel supplier

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!

High strength color steel panel wholesale

Ratings & Reviews

4.5

Based on 8 reviews

5 5

4 2

3 1

2 0

1 0

Rachel M.

United States

2025-02-01

Initial color inconsistency resolved satisfactorily

Our first order of 25 tonnes of 0.6 mm panel in RAL 3009 oxide red showed a slight gloss variation between two coils — measured at 38 GU versus our specified 45 GU at 60°. We flagged this immediately. The supplier's QC team acknowledged the oven temperature deviation in one batch and air-freighted replacement coils within 10 days at no extra cost. Subsequent coils matched spec perfectly. The swift resolution and honest communication restored our confidence. We have since placed a follow-up order of 40 tonnes. Issue was a one-time occurrence, not a systemic problem.

David K.

Australia

2025-02-23

Solid product at fair price — delivery slightly longer than expected

We purchased 38 tonnes of 0.5 mm color panel with Z120 zinc coating and polyester finish 15 µm for greenhouse cladding in Queensland. Product quality met AS 1397 equivalent requirements — surface hardness at HRB 68 and T-bend flexibility confirmed on arrival. Price per tonne was attractive for an LCL shipment. Transit to Brisbane took 34 days versus the 28-day estimate, which pushed our installation schedule back slightly. Supplier was transparent about the port congestion cause and offered partial freight credit. Quality is the priority for us, and that was fully met.

Stefan W.

Germany

2025-03-17

Good value on Z180 panels, minor documentation delay

Ordered 55 tonnes of 0.8 mm color steel panel, Z180 zinc coating, RAL 7016 anthracite grey, for an industrial shed complex near Düsseldorf. Pricing was competitive versus European mills — roughly 8% savings on equivalent EN 10169-compliant product. Panel dimensions and coating thickness (polyester 20 µm) were accurate. The only issue was that EN-format material certificates arrived two days after shipment instead of before, which slightly delayed our customs clearance. Supplier apologized and now sends documents 48 hours ahead. Would order again with that process confirmed.

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.