PPGL Steel Coil - Prepainted Galvanized Steel Coil for Roofing & Construction

Baiqu Steel Coil Manufacturing Co., Ltd.

Verified Custom manufacturer 4yrs

Technical Specifications of PPGL Steel Coil

Property	Parameter	Description
Product Name	PPGL Steel Coil	Pre-Painted Galvalume steel coil with organic coating
Base Material	Galvalume (Al-Zn alloy coated steel)	55% Aluminum, 43.4% Zinc, 1.6% Silicon coating
Standard Compliance	ASTM A792, EN 10215, JIS G3321	Meets major international standards
Substrate Thickness	0.13 - 1.2 mm	Base steel thickness range
Coating Mass	AZ50 - AZ150 (50-150 g/m²)	Aluminum-zinc alloy coating weight per side
Paint Coating Thickness	Top: 15-25 μm, Back: 5-10 μm	Organic coating thickness on both sides
Paint Type	Polyester (PE), Silicon Modified Polyester (SMP), PVDF	Multiple coating system options
Width Range	600 - 1250 mm	Standard coil width options
Coil ID	508 mm / 610 mm	Inner diameter options
Coil Weight	3 - 8 tons	Standard coil weight range
Tensile Strength	≥270 MPa	Minimum tensile strength
Yield Strength	≥140 MPa	Minimum yield strength
Color Options	RAL colors, custom colors available	Wide range of color selections
Surface Finish	Glossy, Matte, Textured	Various surface treatment options
Corrosion Resistance	Salt spray test ≥1000 hours	Excellent corrosion protection performance
Application	Roofing, Wall cladding, Appliances, HVAC	Construction and manufacturing industries
Certification	ISO 9001, EN 10204 3.1, SGS	Quality certifications provided
Packaging	Waterproof paper, steel strapping, wooden pallet	Standard export seaworthy packaging
MOQ	25 tons	Minimum order quantity per color

PPGL Steel Coil - Prepainted Galvanized Steel Coil for Roofing & Construction

PPGL steel coil represents a premium grade prepainted galvanized steel solution engineered for demanding construction and roofing applications. This factory-finished metal substrate combines a hot-dip galvanized steel base with a baked-on paint system, delivering exceptional durability against corrosive environments while maintaining superior aesthetic appeal. Designed for architects, contractors, and metal building manufacturers seeking cost-effective yet high-performance building materials, PPGL steel coil serves critical roles in residential roofing, commercial cladding, and industrial panel fabrication across diverse climatic conditions.

What is PPGL Steel Coil?

PPGL steel coil is a pre-finished metal product consisting of hot-dip galvanized steel substrate coated with multiple layers of paint applied through a continuous coil coating process. The galvanized base provides a zinc coating of 40-275 g/m² per ASTM A653, while the paint system typically includes a primer layer and topcoat with total thickness ranging from 15-25 micrometers per side, offering both corrosion protection and decorative finishes for architectural and construction applications.

PPGL Steel Coil Technical Specifications

Our PPGL steel coil is manufactured according to JIS G3312 and ASTM A755 standards, featuring base metal thickness from 0.14mm to 1.2mm with width options between 600mm-1,250mm. The zinc coating weight complies with Z60-Z275 classifications, providing corrosion resistance rated for C3-C4 environments per ISO 12944. The paint system achieves pencil hardness of 2H minimum and demonstrates T-bend flexibility of 0T-2T depending on coating thickness, ensuring optimal forming characteristics for roll-forming and panel fabrication processes.

Why Choose Our PPGL Steel Coil Solutions

We supply mill-direct PPGL steel coil with comprehensive material test certificates traceable to heat numbers, backed by ISO 9001:2015 certified quality management systems. Our manufacturing facility maintains strict color consistency within ΔE≤1.0 per ASTM D2244, while our value-driven pricing structure eliminates intermediary markups. Each coil undergoes rigorous adhesion testing per ASTM D3359 achieving 5B classification, and our technical support team provides forming recommendations specific to your equipment capabilities and project requirements.

Frequently Asked Questions

What is the minimum order quantity (MOQ)?

Our standard MOQ is 25 metric tons per specification, though we accommodate smaller trial orders of 10 tons for new customers evaluating material performance. Mixed container loading is available for orders combining different colors or thicknesses, with lead times adjusted based on current production schedules and your specific coating requirements.

PPGL steel coil supplier

Do you provide material test certificates?

Yes, we supply comprehensive mill test certificates (MTC 3.1 per EN 10204) documenting chemical composition, mechanical properties, coating weight, and paint system specifications. Certificates include batch-specific test results for tensile strength, yield strength, elongation percentage, and coating adhesion values, along with third-party SGS inspection reports upon request for international shipments.

What is the typical delivery time?

Standard color PPGL steel coil ships within 15-20 business days from order confirmation, while custom RAL colors require 25-30 days for paint formulation and production scheduling. Express production is available for urgent projects with 10-day lead times, subject to current factory capacity. We provide weekly production updates and coordinate shipping arrangements to optimize your project timeline.

Can you cut to custom sizes?

Our slitting capabilities accommodate custom widths from 50mm to 1,250mm with tolerance of ±2mm, while length cutting services provide sheets from 1,000mm to 6,000mm with ±5mm precision. We also offer edge trimming and protective film application to prevent handling damage during transportation and installation, ensuring your material arrives ready for immediate fabrication.

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Get a Competitive Quote for PPGL Steel Coil

Contact our technical sales team today to receive factory-competitive pricing on PPGL steel coil tailored to your project specifications. Our application engineers will review your requirements for thickness, width, color, and coating system to recommend the optimal solution balancing performance and budget. Request your detailed quotation including material specifications, delivery terms, and technical data sheets to move your construction project forward with confidence.

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Ratings & Reviews

5.0

Very satisfied

Based on 8 reviews for verified purchases

Supplier service

5.0

On-time shipment

5.0

Supplier service

5.0

John Anderson

United States

verified purchases

2025-09-10

Superior PPGL Coils - Repeat Order Confirmed
Fourth consecutive order - 45 tons of PPGL (0.5mm, 1219mm width, multiple RAL colors) for our metal building systems. Compared quotes from five Asian suppliers before selecting this mill for consistent quality. Z120 coating weight verified by our lab, paint system achieves 2H pencil hardness. Mixed container capability allowed us to stock six different colors without excessive inventory. Lead time held at 17 days despite peak season. Technical data sheets include detailed forming recommendations specific to our Bradbury roll-former. This supplier understands North American construction standards better than competitors.

Robert Brown

United Kingdom

verified purchases

2025-09-28

Acceptable Quality with Initial Color Variance
Ordered 15 tons of PPGL coil in RAL 5015 for industrial door panels. First shipment showed slight color deviation (ΔE=1.8) compared to our approved sample. Supplier acknowledged issue and replaced affected coils within 12 days at no charge. Replacement batch matched perfectly with ΔE<0.9. Coating adhesion and mechanical properties met ASTM A755 throughout. Customer service response was professional despite initial quality control lapse. Acceptable for non-critical color matching applications after resolution.

William Taylor

Australia

verified purchases

2025-10-15

Perfect PPGL for Marine Environment Structures
Specified 18 tons of PPGL steel coil (0.8mm thickness, 1000mm width) with Z275 galvanizing for coastal building project in Queensland. Salt spray test results showed 1500+ hours resistance, ideal for our marine exposure category. Surface finish was flawless 2B with no roller marks. Supplier provided cut-to-length service at 2400mm with ±3mm tolerance, eliminating our secondary processing. Repeat customer - material consistency between orders is remarkable. Highly recommended for C5-M corrosive environments per ISO classification.

Hans Mueller

Germany

verified purchases

2025-11-02

Reliable PPGL Coils for Panel Manufacturing
Ordered 30 tons of PPGL (0.55mm, 1100mm width, RAL 3009) for insulated panel production. Material test certificates documented Z150 coating and proper chemical composition. Forming characteristics were consistent throughout the order. Delivery extended to 28 days due to custom color formulation, three days beyond initial estimate. Quality control was rigorous with batch testing results provided. Pricing remains competitive for European market. Suitable for standard architectural applications requiring ASTM A755 compliance.

Ahmed Al-Hassan

UAE

verified purchases

2025-11-20

Premium PPGL for Desert Climate Applications
Third order placed - 40 tons total of PPGL coil in heat-reflective white (0.6mm, 1250mm width) for villa projects in Abu Dhabi. Enhanced paint system with 25-micron topcoat performs excellently in 50°C summer temperatures. SGS inspection report confirmed all mechanical properties: 320 MPa yield strength, 22% elongation. Custom slitting to 850mm width with protective film application saved us significant processing time. Supplier's technical engineer visited our facility to optimize roll-forming settings, reducing scrap rate by 40%.

Carlos Silva

Brazil

verified purchases

2025-12-08

Good Value PPGL for Residential Projects
Purchased 22 tons of standard color PPGL (0.45mm thickness, 914mm width) for residential roofing panels. Price was competitive compared to local mills. Material certificates showed compliance with ASTM A755. Minor edge waviness on two coils required adjustment on our slitting line, but supplier credited 3% discount without argument. Coating thickness measured 18 micrometers, slightly below the 20-micron target but acceptable for our application. Would order again for budget-conscious projects.

James Wilson

United Kingdom

verified purchases

2025-12-23

Outstanding Quality for Industrial Cladding
We specified 35 tons of PPGL coil (0.7mm, 1220mm width, custom RAL 7016) for warehouse cladding in coastal environment. Zinc coating at Z275 exceeded our C4 corrosion requirements per ISO 12944. Paint adhesion tested at 5B classification, pencil hardness reached 2H as documented. Supplier accommodated our mixed order with three different widths without MOQ issues. Production updates came weekly via email. Material quality surpassed our previous European supplier at 15% lower cost.

Michael Chen

Singapore

verified purchases

2026-01-07

Excellent PPGL Coils for Commercial Roofing
Ordered 28 tons of PPGL steel coil in RAL 9002 (0.5mm thickness, 1000mm width) for our shopping mall roofing project. Material arrived with complete EN 10204 3.1 certificates showing Z120 coating weight and 20-micron paint system. Color consistency was exceptional across all coils with ΔE<0.8. T-bend test at our facility confirmed 0T flexibility perfect for our roll-forming equipment. Delivery took 18 days as promised. Technical team provided detailed forming parameters that eliminated our trial-and-error process.