Sheet Metal Color Coating - Mill Direct Manufacturer |

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 Sheet Metal Color Coating

Property	Parameter	Description
Product Name	Sheet Metal Color Coating (PPGI/PPGL)	Pre-painted galvanized or galvalume steel sheet with color coating
Material Grade	DX51D, DX52D, DX53D (EN); SGCC, SGCD (JIS); Q195, Q235 (GB)	International equivalents: ASTM A653 CS Type B / SS Grade 33
Standard Compliance	EN 10169, ASTM A755, JIS G3312, GB/T 12754	Covers pre-painted flat-rolled steel products for general and structural use
Chemical Composition	C ≤ 0.12%, Mn ≤ 0.60%, P ≤ 0.045%, S ≤ 0.045%, Si ≤ 0.50%	Base metal composition per EN 10169 / GB/T 12754 requirements
Tensile Strength	270–560 MPa	Varies by grade; DX51D min. 270 MPa, structural grades up to 560 MPa (EN 10169)
Yield Strength	140–480 MPa	DX51D min. 140 MPa; higher-strength grades per EN 10169 / ASTM A755
Elongation	≥ 22% (A80mm)	Typical for DX51D/SGCC; structural grades may vary per applicable standard
Coating Type	Polyester (PE), SMP, PVDF, HDP, Epoxy	Top coat options; PVDF offers superior UV and weather resistance
Coating Thickness	Top coat: 15–25 µm; Primer: 5–7 µm; Back coat: 5–15 µm	Total dry film thickness measured per ASTM D1400 / EN ISO 2808
Base Metal Thickness	0.14–1.50 mm	Substrate thickness excluding coating layers
Width	600–1,500 mm	Standard coil widths; custom slit widths available on request
Zinc / Zinc-Alloy Coating	Z60–Z275 g/m²; AZ50–AZ150 g/m² (Galvalume)	Hot-dip zinc or 55% Al-Zn alloy coating per ASTM A653 / EN 10346
Surface Finish	Smooth, Embossed, Matte, High Gloss, Wrinkle, Brick/Wood Pattern	RAL / Pantone custom colors available; gloss level 10–85 GU (60°)
Application	Roofing, wall cladding, home appliances, garage doors, HVAC ducts, automotive parts	Widely used in construction, household appliance manufacturing and transportation
Certification	ISO 9001, CE Marking, SGS, BV, RoHS Compliant	Third-party inspection and mill test certificates (MTC) available
Packaging	Standard export coil packaging; inner eye-to-sky or eye-to-wall; waterproof paper + steel strip	Coil weight: 3–10 MT; suitable for sea and land transport
MOQ	25 MT per order (mixed specifications accepted)	Sample orders negotiable; lead time 15–25 days after order confirmation

Sheet Metal Color Coating - Mill Direct Manufacturer |

Sheet metal color coating represents one of the most versatile and durable surface treatment technologies available in modern steel processing, combining structural integrity with aesthetic performance across a broad spectrum of industries. As a mill-direct manufacturer, we supply premium-grade color-coated sheet metal panels that meet rigorous international standards including ASTM A755, EN 10169, and JIS G3312. Our coated products serve critical roles in architectural cladding, roofing systems, household appliance manufacturing, automotive components, and industrial equipment enclosures. Each coil or sheet undergoes a precisely controlled continuous coil coating process, ensuring uniform film thickness, superior adhesion, and consistent color accuracy across every production run. With a product portfolio spanning over 200 standard RAL and custom colors, polyester, PVDF, SMP, and HDP coating systems, we deliver solutions tailored to both high-volume OEM requirements and specialized project specifications. Our mill-direct supply model eliminates intermediary markups, offering buyers cost-effective access to certified, traceable material with full documentation support.

What is Sheet Metal Color Coating?

Sheet metal color coating — commonly referred to as pre-painted steel or color-coated steel — is a continuous industrial process in which cold-rolled, hot-dip galvanized, or aluminum-zinc alloy steel substrates receive one or more layers of organic coating applied via roller coaters before forming or fabrication. The result is a finished metal sheet combining the mechanical strength of steel with a durable, UV-resistant decorative surface. Coating systems typically include a primer layer (5–8 µm) and a top coat (15–25 µm), with optional back coat finishes ranging from 5 to 12 µm depending on the intended end-use environment.

Sheet Metal Color Coating Manufacturing Process

The manufacturing process follows a high-speed continuous coil coating line operating at speeds of 60–120 meters per minute. Steel substrate coils are first degreased, chemically pre-treated with a chromate or chrome-free conversion coating to enhance adhesion, then passed through precision roller coaters that apply primer and finish coats sequentially. Each coating layer is cured in a dedicated oven at peak metal temperatures (PMT) between 200°C and 250°C, ensuring complete cross-linking of the resin system. Final inspection includes film thickness measurement, gloss reading (20°/60° geometry), T-bend flexibility testing per ASTM D4145, and salt spray resistance evaluation per ASTM B117 for up to 1,000 hours minimum.

Sheet Metal Color Coating Technical Specifications

Our color-coated sheet metal products are available across the following certified parameter ranges to accommodate diverse engineering and architectural requirements:

Sheet Metal Color Coating supplier

Base Substrate: Hot-dip galvanized (GI), Galvalume/AZ (GL), cold-rolled steel (CRS)
Substrate Thickness: 0.20 mm – 1.60 mm
Coil Width: 600 mm – 1,500 mm
Zinc Coating Weight: Z60 – Z275 g/m² (per ASTM A653) or AZ50 – AZ150 g/m²
Top Coat Systems: Polyester (PE), Silicon Modified Polyester (SMP), High Durability Polyester (HDP), Polyvinylidene Fluoride (PVDF)
Top Coat Thickness: 15 µm – 25 µm (standard); up to 35 µm for PVDF
Gloss Level: 10–85 GU (matte to high gloss, ±5 GU tolerance)
Tensile Strength: ≥ 270 MPa (Grade DX51D) to ≥ 550 MPa (high-strength structural grades)
Salt Spray Resistance: ≥ 500 hours (standard PE); ≥ 1,000 hours (PVDF/HDP systems)
Color Range: Full RAL Classic and RAL Design palette; custom color matching available (ΔE ≤ 1.0)
Surface Finish Options: Smooth, embossed, stone grain, wood grain, anti-fingerprint
Certifications: ISO 9001:2015, SGS, BV, CE; RoHS-compliant chrome-free pre-treatment available

Get a Competitive Quote for Sheet Metal Color Coating

Partner with our mill-direct team to access premium sheet metal color coating at transparent, factory-gate pricing with no hidden surcharges. Whether your project demands standard commercial-grade panels or high-performance PVDF architectural finishes, our technical sales team will configure the optimal specification and provide a detailed quotation within 24 hours of inquiry submission.

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!

Sheet Metal Color Coating manufacturer

Sheet Metal Color Coating wholesale

Ratings & Reviews

4.5

Based on 8 reviews

5 5

4 2

3 1

2 0

1 0

Thomas Greenfield

Australia

2025-02-01

Initial shipment had a width tolerance issue — resolved promptly

Ordered 35 tons of PVDF-coated Galvalume, 0.55 mm, 1,200 mm width for premium residential roofing in Queensland. On arrival, width measurement on four coils came in at 1,193–1,196 mm rather than the specified 1,200 mm — outside our acceptable tolerance for our roll-forming line. Raised the issue immediately; the supplier acknowledged the variance, provided a technical report, and offered credit plus priority replacement coils dispatched within 8 days. Replacement material was correct. Coating quality itself — 28 µm PVDF, salt spray >1,000 hours per ASTM B117 — was genuinely good. Issue was resolved professionally, so we are continuing the relationship.

Fatima Al-Rashidi

UAE

2025-02-22

Competitive pricing for regional distribution, solid documentation

We distribute color-coated steel across GCC markets and sourced 95 tons of PE and SMP mixed grades — 0.35 mm and 0.50 mm GI coils in standard RAL colors for roofing and cladding distribution. Pricing at factory gate was the primary driver and it was competitive. ISO 9001:2015 and SGS certificates were included without additional request. Color accuracy was acceptable across the batch, though two coils had minor gloss variation at the coil edges — within tolerance but worth noting. Technical team responded to our QC query within 4 hours. Reasonable supplier for regional bulk distribution.

Daniel Kowalski

United States

2025-03-16

Good value on bulk PE-coated GI, minor lead time variance

Ordered 80 tons of standard PE-coated hot-dip galvanized coils, Z180 zinc weight, 0.45 mm thickness, 1,000 mm width for industrial equipment enclosures. Pricing was competitive — noticeably better than domestic service center rates for equivalent ASTM A755 certified material. Quality checks on film thickness and salt spray (500-hour result confirmed) were satisfactory. Only issue was a 3-day delay versus the original delivery schedule, though the team communicated proactively. Overall good value proposition for high-volume commercial-grade requirements. Would order again with a slightly earlier lead time buffer built in.

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.