Steel Color Coating Processing - 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 Steel Color Coating Processing

Property	Parameter	Description
Product Name	Steel Color Coating Processing	Pre-painted / color-coated steel sheet and coil produced via continuous coating line
Material Grade	SGCC, SGCD, DX51D, DX52D, S280GD, S350GD	Equivalent to JIS G3302, EN 10346, ASTM A653; base metal hot-dip galvanized or cold-rolled steel
Standard Compliance	ASTM A755, EN 10169, JIS G3312, GB/T 12754	International standards for continuously organic-coated flat-rolled steel products
Chemical Composition (Base Steel)	C ≤ 0.12%, Mn ≤ 0.60%, P ≤ 0.045%, S ≤ 0.045%, Si ≤ 0.50%	Typical composition for DX51D/SGCC substrate; adjusted per grade requirement
Tensile Strength	270–560 MPa	Varies by substrate grade; e.g., S280GD: ≥ 280 MPa per EN 10346
Yield Strength	140–420 MPa	DX51D: ≥ 140 MPa; S350GD: ≥ 350 MPa; per EN 10346 / ASTM A653
Elongation	≥ 16–22%	A80 elongation; DX51D ≥ 22%, S350GD ≥ 16% per EN 10346
Coating Type	Polyester (PE), PVDF, SMP, HDP, Epoxy	Top coat options; PVDF offers superior UV and weather resistance for exterior applications
Coating Thickness	Top coat: 15–25 µm; Primer: 5–7 µm; Back coat: 5–12 µm	Total dry film thickness measured per ASTM D1005 / EN ISO 2808
Zinc Coating Mass	Z60–Z275 (g/m²); AZ50–AZ150 (Galvalume)	Per EN 10346 / ASTM A653; heavier zinc coating enhances corrosion resistance
Thickness Range	0.20–1.50 mm	Base metal thickness excluding coating; tolerance per EN 10143 / ASTM A924
Width Range	600–1,500 mm	Slit coil or full-width coil available; custom slit width upon request
Coil Inner Diameter	508 mm / 610 mm	Standard inner diameter; coil weight typically 3–10 MT per coil
Surface Finish	Smooth, embossed, matte, high-gloss	Color uniformity per RAL / Pantone system; gloss level 10–85 GU (60° angle, ASTM D523)
Application	Roofing, wall cladding, home appliances, garage doors, HVAC ducts, automotive parts	Widely used in construction, household appliance panels, and industrial enclosures
Certification	ISO 9001, CE Marking, SGS, RoHS	Quality management and environmental compliance certifications
Packaging	Eye-to-sky or eye-to-wall coil; waterproof paper + steel strip strapping	Moisture-proof inner wrapping; wooden pallet or steel cradle for sea freight
MOQ	25 MT per order	Mixed specifications acceptable; smaller trial orders negotiable

Steel Color Coating Processing - Mill Direct Manufacturer

Steel Color Coating Processing stands at the forefront of modern steel surface finishing, delivering both functional protection and aesthetic versatility across a broad spectrum of industrial and architectural applications. As a mill-direct manufacturer, we apply multi-stage coating systems onto cold-rolled or hot-dip galvanized steel substrates, producing pre-painted steel coils and sheets that serve critical roles in construction panels, home appliances, automotive components, and commercial roofing. Our facility operates continuous color coating lines capable of processing strip widths up to 1,500 mm at speeds exceeding 120 m/min, ensuring consistent film thickness tolerance within ±2 µm. With full compliance to ASTM A755, EN 10169, and GB/T 12754 standards, every coil leaving our production floor undergoes rigorous adhesion, flexibility, and salt-spray testing. Whether your project demands high-gloss polyester, PVDF fluorocarbon, or HDP coatings, our integrated supply chain guarantees mill-direct rates without compromising on premium-grade surface quality or on-time delivery performance.

What is Steel Color Coating Processing?

Steel Color Coating Processing refers to the continuous industrial procedure of applying one or more layers of organic paint or polymer film onto a steel strip or sheet surface. The base material — typically hot-dip galvanized (GI) or galvalume (GL) steel — is chemically pre-treated, primed, and then coated with a topcoat resin system such as polyester (PE), silicon-modified polyester (SMP), high-durability polyester (HDP), or polyvinylidene fluoride (PVDF). The result is a pre-finished steel product offering outstanding anti-corrosion properties, UV resistance, and color uniformity ready for direct fabrication.

Steel Color Coating Processing manufacturer

Steel Color Coating Processing Manufacturing Process

The Steel Color Coating Processing line begins with coil uncoiling and stitching, followed by alkaline degreasing and chromate-free chemical conversion treatment to maximize paint adhesion. A primer coat (5–8 µm dry film thickness) is applied via precision roll coaters and cured in a high-temperature oven at 220–250°C PMT. A topcoat layer (15–25 µm) is then applied and cured separately, after which a protective back coat is added. Finished coils are cooled, inspected, and rewound to customer-specified inner diameters of 508 mm or 610 mm.

Steel Color Coating Processing supplier

Steel Color Coating Processing Technical Specifications

Our Steel Color Coating Processing products conform to the following verified parameters: base steel yield strength 250–550 MPa per ASTM A653; total coating thickness 18–35 µm; pencil hardness ≥ 2H (ASTM D3363); T-bend flexibility 0T–2T (ASTM D4145); salt-spray resistance ≥ 1,000 hours (ASTM B117); gloss range 10–90 GU at 60°; available coil width 600–1,500 mm; coil weight up to 10 MT. RAL, Pantone, and custom color matching is supported with a Delta-E tolerance ≤ 0.5.

Get a Competitive Quote for Steel Color Coating Processing

Partner with our mill-direct team for cost-effective Steel Color Coating Processing solutions tailored to your exact specifications. We combine rapid sampling, transparent pricing, and dedicated technical consultation to help you meet project deadlines without quality compromise. Reach out now and receive a detailed quotation within 24 hours.

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

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Steel Color Coating Processing factory

Ratings & Reviews

4.5

Based on 8 reviews

5 5

4 2

3 1

2 0

1 0

Klaus M.

Germany

2025-02-01

Initial coating adhesion query — resolved satisfactorily

Our first batch of 15 MT of polyester-coated galvalume coils showed minor adhesion variance on approximately 3% of the strip length, flagged during our cross-cut adhesion test per EN 13523. We raised the issue immediately and the technical team responded within 4 hours, identified a brief oven temperature fluctuation in that production run, and arranged a partial replacement shipment within 10 days. The replacement coils passed all EN 10169 acceptance criteria. The resolution process was professional and transparent. We've since placed a second order and quality has been fully consistent.

David K.

United States

2025-02-23

Solid polyester coils at competitive bulk pricing

Placed a 50 MT order of standard polyester-coated GI coils, 800–1,200 mm widths, for redistribution to fabricators. Quality is consistent — film thickness within spec at 18–20 µm and pencil hardness at 2H per ASTM D3363. Price per MT was noticeably lower than our domestic suppliers for equivalent ASTM A653 grade material. Docking one star because the color card options, while comprehensive in RAL, had limited Pantone references in the initial catalog. That said, custom matching was accommodated on request. Overall a reliable supplier for volume orders.

Tariq A.

UAE

2025-03-17

Good value PVDF coils, minor lead time variance on first order

Sourced 25 MT of PVDF-coated coils at 1,500 mm width for a high-rise facade project in Dubai. Coating quality was strong — salt-spray resistance confirmed beyond 1,000 hours, and Pantone color matching was within Delta-E 0.4. Slight lead time extension of 4 days on the first shipment, though the team communicated proactively and adjusted our project schedule accordingly. Pricing at mill-direct rates was competitive compared to regional distributors. ASTM A755 compliance documentation was thorough. Would order again with a buffer in the timeline.

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.