Mill Finish Color Coated Steel Sheet - 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 Mill Finish Color Coated Steel Sheet

Property	Parameter	Description
Product Name	Mill Finish Color Coated Steel Sheet	Pre-painted galvanized or galvalume steel sheet with mill finish base surface
Material Grade	DX51D, DX52D, DX53D / SGCC, SGCD / CS Type B	Equivalent to EN 10346, JIS G3302, ASTM A653; base metal hot-dip zinc or zinc-aluminum coated
Standard Compliance	EN 10169, ASTM A755/A755M, JIS G3312, GB/T 12754	International standards for continuously organic-coated (color coated) flat-rolled steel products
Chemical Composition (Base)	C ≤ 0.12%, Mn ≤ 0.60%, P ≤ 0.045%, S ≤ 0.045%, Si ≤ 0.50%	Typical low-carbon steel substrate composition per EN 10346 / GB/T 2518
Coating Type	Polyester (PE), PVDF, SMP, HDP, Epoxy	Top coat options; PVDF offers superior UV and weather resistance; PE is most economical
Coating Thickness	Top coat: 15–25 µm; Primer: 5–7 µm; Back coat: 5–15 µm	Measured per ASTM D1400 or EN ISO 2808; total dry film thickness varies by application
Zinc Coating Mass	Z60–Z275 g/m² (both sides) / AZ50–AZ150 g/m²	Galvanized (GI) or Galvalume (GL/Aluzinc) substrate; per ASTM A653 / EN 10346
Tensile Strength	270–500 MPa	Varies by grade: DX51D ≥ 270 MPa; DX53D ≥ 270 MPa (deep drawing); per EN 10346
Yield Strength	140–360 MPa	DX51D: 140–300 MPa; structural grades (S280GD, S350GD) up to 360 MPa per EN 10346
Elongation	≥ 22% (A80mm)	DX51D/DX52D typical elongation; deep drawing grades DX53D ≥ 26%; per EN 10346
Thickness Range	0.14 mm – 1.50 mm	Base metal thickness (BMT); common commercial range; custom thickness available on request
Width Range	600 mm – 1,500 mm	Slit coil or sheet width; standard widths 914 mm, 1000 mm, 1219 mm, 1250 mm
Surface Finish	Mill Finish (smooth, matte or gloss); RAL / custom color available	No embossing; uniform paint film; gloss level 10–85 GU (60° angle) per EN ISO 2813
Application	Roofing, wall cladding, home appliances, garage doors, HVAC ducts, automotive parts	Widely used in construction, white goods manufacturing, and light industrial fabrication
Certification	ISO 9001, CE Marking, SGS, BV, RoHS Compliant	Third-party inspection and quality management system certification available
Packaging	Coil or sheet; eye-to-sky or eye-to-wall; waterproof paper + steel strip strapping	Inner diameter 508 mm or 610 mm; coil weight up to 10 MT; export seaworthy packaging
MOQ	25 MT per order (coil); 5 MT (sheet)	Mixed grades and colors accepted; sample order negotiable for new customers

Mill Finish Color Coated Steel Sheet - Mill Direct Supplier

Mill finish color coated steel sheet serves as a foundational material across construction, appliance manufacturing, transportation, and industrial fabrication sectors worldwide. Produced by applying polymer-based coatings onto a cold-rolled or hot-dipped galvanized substrate, this product delivers a harmonious balance of structural integrity and visual appeal. Unlike pre-painted alternatives processed by third-party facilities, mill-direct supply ensures tighter quality control over coating adhesion, color uniformity, and substrate preparation. Global demand has surged considerably as architects and engineers increasingly specify color-coated panels for roofing systems, wall cladding, interior partitions, and prefabricated building envelopes. With a base steel substrate offering a yield strength typically ranging from 250 MPa to 550 MPa, and coating thicknesses calibrated to project-specific corrosion environments, mill finish color coated steel sheet represents one of the most versatile and cost-effective flat-rolled steel products available on the international market today.

What is Mill Finish Color Coated Steel Sheet?

Mill finish color coated steel sheet is a flat-rolled steel product manufactured by continuously applying one or more layers of organic polymer coatings—such as polyester (PE), high-durability polyester (HDP), polyvinylidene fluoride (PVDF), or silicon-modified polyester (SMP)—onto a zinc-coated or zinc-aluminum-coated steel substrate. The resulting product combines the mechanical strength of steel with outstanding anti-corrosion properties and a factory-applied decorative finish, eliminating the need for secondary painting operations downstream.

Mill finish color coated steel sheet supplier

Mill Finish Color Coated Steel Sheet Manufacturing Process

Production begins with coil preparation, where hot-dipped galvanized or Galvalume substrate coils undergo chemical cleaning, degreasing, and chromate or chrome-free passivation treatment to maximize coating adhesion. The coil then passes through a continuous coil coating line (CCL), where primer and topcoat layers are applied via precision roll-coating heads and cured in high-temperature ovens at approximately 220°C–260°C peak metal temperature (PMT). A protective backing coat is simultaneously applied to the reverse side, and finished coils are inspected against ASTM A755, EN 10169, or equivalent international standards before dispatch.

Mill finish color coated steel sheet manufacturer

Mill Finish Color Coated Steel Sheet Technical Specifications

Standard offerings cover base metal thicknesses from 0.15 mm to 1.50 mm, coil widths from 600 mm to 1,500 mm, and zinc coating weights from Z60 to Z275 (g/m²) per ASTM A653. Topcoat dry film thickness ranges from 15 µm (standard polyester) to 25 µm (PVDF), with pencil hardness values of 2H minimum and T-bend flexibility of 0T–2T. Color options follow RAL, Pantone, or custom-matched palettes, with 60° gloss levels adjustable between 10 GU (matte) and 85 GU (high gloss). Salt-spray resistance exceeds 500 hours per ASTM B117 for standard grades and 1,000 hours for premium PVDF-coated variants.

Get a Competitive Quote for Mill Finish Color Coated Steel Sheet

Partnering directly with our mill eliminates intermediary markups, giving your business access to mill-direct rates on every order. Whether you require standard stock specifications or fully customized coating systems, our technical team is ready to match your exact project requirements and deliver within your timeline.

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!

Mill finish color coated steel sheet wholesale

Ratings & Reviews

4.5

Based on 8 reviews

5 5

4 2

3 1

2 0

1 0

David N.

United States

2025-02-02

Initial coil width variance issue — addressed promptly by technical team

Our first order of 40 MT of 0.40 mm HDP sheet specified 1,250 mm coil width, but three coils in the shipment measured 1,238–1,242 mm, which caused minor trim allowance issues on our slitting line. I raised this with the technical team and they acknowledged the variance exceeded their internal tolerance, issued a credit note for the affected coils, and provided tighter width control on our follow-up 30 MT order — all coils came in at 1,249–1,251 mm. Quality issue was real but the resolution was professional and fast.

Fiona C.

United Kingdom

2025-02-24

Competitive on standard polyester grades — solid choice for volume procurement

We stock 0.30 mm and 0.50 mm standard polyester-coated sheet in RAL 3009 and RAL 5010 for resale into the UK construction market. Mill-direct pricing gives us a workable margin compared to buying from European service centers. EN 10169 certificates included. Delivery to Tilbury was 28 days, which is manageable for our planning cycle. Knocked one star because minimum order quantities are higher than we'd prefer for slower-moving colors, but quality is consistent and pricing is fair.

Omar A.

UAE

2025-03-18

Good value on PVDF grade — minor documentation delay but resolved

Placed a 70 MT order of 0.60 mm PVDF sheet for a logistics warehouse roofing contract in Dubai. Pricing was competitive versus regional distributors, and the coating quality passed our client's third-party inspection against ASTM A755. The only friction was a two-day delay in receiving the SGS inspection report, which pushed our LC presentation slightly. The team resolved it quickly once flagged. Overall a strong value proposition for the Gulf market — would order again for the next project.

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.