Stainless Steel Prepainted Steel Coil - Corrosion-Resistant Cold-Rolled Coated Coil

Tianjin TISCO International Trade Co., Ltd.

Verified Custom manufacturer 5yrs

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Stainless steel prepainted steel coil image

Technical Specifications of Stainless Steel Prepainted Steel Coil

Property	Parameter	Description
Product Name	Stainless Steel Prepainted Steel Coil	Pre-coated stainless steel with organic coating for enhanced durability
Base Material	304 / 316L / 430 / 201 Stainless Steel	Multiple grade options for different applications
Standard Compliance	ASTM A653, JIS G3312, EN 10169	Meets international coating and substrate standards
Coating Type	Polyester (PE), PVDF, SMP, HDP	Various organic coating systems available
Coating Thickness	Top: 15-25μm, Back: 5-10μm	Standard coating thickness for both sides
Thickness Range	0.15 - 1.2 mm	Available substrate thickness options
Width Range	600 - 1250 mm	Standard coil widths for various applications
Coil ID	508mm / 610mm	Inner diameter options for coil handling
Coil Weight	3 - 8 tons	Standard coil weight range
Color Options	RAL / Pantone color chart	Custom colors available per customer specification
Gloss Level	High gloss (>70GU), Matt (<30GU)	Surface finish options measured at 60° angle
Pencil Hardness	≥2H	Surface hardness per ASTM D3363
Adhesion	0-1 Grade (ASTM D3359)	Excellent coating adhesion to substrate
Corrosion Resistance	Salt spray test >1000 hours	Superior corrosion protection per ASTM B117
Temperature Resistance	-40°C to +120°C	Suitable for extreme environmental conditions
Application	Roofing, wall cladding, appliances, HVAC	Construction and manufacturing industries
Surface Protection	PE film 20-150μm	Protective film to prevent scratches during transport
Certification	ISO 9001, EN 10204 3.1, SGS	Quality certifications provided with mill test reports
MOQ	5 tons	Minimum order quantity per color/specification

Stainless Steel Prepainted Steel Coil - Corrosion-Resistant Cold-Rolled Coated Coil

Stainless steel prepainted steel coil represents a premium-grade composite material that combines the inherent corrosion resistance of stainless steel substrates with advanced organic coating technology. This engineered product serves critical roles in architectural cladding, appliance manufacturing, and industrial equipment where both aesthetic appeal and long-term durability are paramount. Manufactured through precision cold-rolling processes followed by multi-layer coating application, these coils deliver exceptional performance in harsh environmental conditions while maintaining color stability and surface integrity. Our factory-direct supply ensures cost-effective pricing for construction contractors, appliance manufacturers, and metal fabricators requiring reliable material specifications.

What is Stainless Steel Prepainted Steel Coil?

Stainless steel prepainted steel coil is a cold-rolled stainless steel substrate with factory-applied organic coatings, typically polyester, PVDF, or epoxy-based systems. The base material commonly utilizes 304 or 316L grades per ASTM A240 standards, with coating thickness ranging from 15 to 35 micrometers depending on application requirements and environmental exposure classifications.

Stainless Steel Prepainted Steel Coil Technical Specifications

Standard substrate grades include 304 (UNS S30400) with 18-20% chromium and 8-10.5% nickel content, or 316L (UNS S31603) containing 16-18% chromium, 10-14% nickel, and 2-3% molybdenum for enhanced chloride resistance. Coil thickness ranges from 0.3mm to 1.5mm with width availability up to 1500mm. Coating systems comply with ASTM D3363 pencil hardness requirements and demonstrate superior resistance to UV degradation per ASTM G154 accelerated weathering protocols.

Why Choose Our Stainless Steel Prepainted Steel Coil

Our manufacturing facility maintains ISO 9001:2015 certification and implements stringent quality control measures including spectroscopic chemical analysis and coating adhesion testing per ASTM D3359. We provide complete mill test certificates documenting mechanical properties, chemical composition, and coating performance data. Mill-direct pricing eliminates intermediary costs while our technical support team assists with material selection and application engineering throughout project lifecycles.

Stainless steel prepainted steel coil supplier

Frequently Asked Questions

What is the minimum order quantity (MOQ)?

Our standard MOQ is 5 metric tons per specification, though we accommodate smaller trial orders for new customers. Mixed container loading is available for projects requiring multiple color options or thickness variations, subject to a 10-ton combined minimum.

Stainless steel prepainted steel coil wholesale

Do you provide material test certificates?

Yes, we supply comprehensive EN 10204 3.1 mill test certificates with every shipment, documenting chemical composition per optical emission spectrometry, mechanical properties including tensile strength and yield point, and coating thickness verification via magnetic induction gauges. Third-party inspection arrangements through SGS or Bureau Veritas can be coordinated upon request.

What is the typical delivery time?

Standard lead time is 25-30 days from deposit receipt for stock specifications. Custom color matching or non-standard dimensions may require 35-40 days. We maintain inventory of popular colors in 304 grade, 0.5mm thickness for expedited 15-day delivery on quantities up to 20 tons.

Stainless steel prepainted steel coil China

Can you cut to custom sizes?

Our processing capabilities include precision slitting to custom widths with tolerance of ±0.5mm, and cut-to-length services with squareness deviation under 1mm per meter. Blanking and forming services are available through our partnered fabrication facilities for customers requiring finished components rather than coil stock.

Get a Competitive Quote for Stainless Steel Prepainted Steel Coil

Contact our technical sales team to discuss your project requirements and receive detailed pricing based on substrate grade, coating system, thickness, width, and volume commitments. We provide material data sheets, color charts, and application guidance to ensure optimal product selection for your specific environmental conditions and performance expectations.

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

Chris Martin

Canada

verified purchases

2025-09-10

Premium Coated Stainless for Cold Climate Use
We sourced 9 tons of 316L prepainted coil with polyester coating (0.8mm thickness, 1400mm width) for our customer's exterior signage project in Alberta. Material performed exceptionally well in freeze-thaw cycling tests down to -40°C. Coating flexibility remained intact with no cracking or delamination. Chemical composition certificates confirmed molybdenum at 2.6% for enhanced corrosion resistance. Technical support team provided valuable guidance on cold-weather installation procedures. Delivered in 27 days to Vancouver port. This material handles Canadian winter conditions perfectly.

Carlos Silva

Brazil

verified purchases

2025-09-28

Acceptable Quality with Resolved Color Variance
Ordered 5 tons of 304 prepainted coil in custom green color (0.5mm thickness) for architectural trim application in São Paulo project. Initial shipment had slight color variance between coils that did not match approved sample. Supplier acknowledged issue promptly and provided replacement material within 3 weeks at no additional cost. Second batch met color specifications perfectly. Communication throughout resolution process was professional. Quality control could be tighter but final outcome was satisfactory for our requirements.

Wei Chen

Singapore

verified purchases

2025-10-15

Reliable Prepainted Coils for Equipment Manufacturing
Purchased 7 tons of 304 prepainted steel coil (0.7mm thickness, 1200mm width) with polyester coating for our client's food processing equipment. Material specifications met ISO 9001 standards with proper documentation. Slitting tolerance was within ±0.5mm as specified. Price point was reasonable for Asian market. Only minor concern was packaging could be more robust for sea freight but no material damage occurred. Lead time of 29 days was acceptable for our production schedule.

Ahmed Al-Hassan

UAE

verified purchases

2025-11-02

Perfect Material for Desert Climate Applications
Ordered 15 tons of 304 prepainted stainless coil with PVDF coating (0.5mm thickness) for our Dubai commercial project exterior panels. Compared quotes from 5 suppliers and this offered best combination of quality and price. Material withstands extreme temperatures up to 65°C without color fading. Mill test certificates showed coating pencil hardness at 3H per ASTM D3363. Delivered within 26 days including customs clearance. Color retention after 6 months installation is excellent. This is our fourth order for different projects.

William Taylor

Australia

verified purchases

2025-11-20

Outstanding 316L Coils for Marine Environment
Purchased 10 tons of 316L prepainted coil with epoxy coating (1.0mm thickness, 1500mm width) for our coastal infrastructure project in Queensland. Material performed excellently in salt spray testing per ASTM B117 with no coating degradation after 1000 hours. Nickel content verified at 12.1% and chloride resistance exceeded expectations. Supplier provided detailed application engineering support for our specific marine exposure conditions. Delivery took 32 days to Sydney port. Premium quality justifies the investment.

Hans Mueller

Germany

verified purchases

2025-12-08

Good Quality Coated Coils with Competitive Pricing
Ordered 6 tons of 304 prepainted steel coil in custom blue color (0.6mm thickness) for industrial equipment housings. Material certificates documented all mechanical properties correctly. Coating thickness averaged 20 micrometers across samples. Price was 8% lower than our regular European supplier. Minor issue with one coil edge quality but supplier arranged replacement within 5 days. Overall good value for our production requirements. Would recommend for cost-sensitive projects.

Michael Johnson

United States

verified purchases

2025-12-23

Superior Prepainted Stainless for Appliance Production
We purchased 12 tons of 316L prepainted coil (0.8mm thickness, polyester coating) for our refrigerator door panel production line. Chemical composition met ASTM A240 requirements with molybdenum content at 2.4%. Coating adhesion tested at 5B per ASTM D3359 standards. The technical team provided excellent forming guidance for our stamping operations. Lead time was 28 days as promised. This is our second order this quarter and material quality remains consistent.

James Wilson

United Kingdom

verified purchases

2026-01-07

Excellent 304 Prepainted Coils for Architectural Cladding
Ordered 8 tons of 304 stainless steel prepainted coil in 0.5mm thickness, 1250mm width with PVDF coating for our London commercial building facade project. Material arrived with complete EN 10204 3.1 certificates showing chromium at 18.2% and coating thickness verified at 25 micrometers. Color consistency across all coils was outstanding. Delivered in 14 days. Surface finish maintained perfect uniformity with no coating defects. This material exceeded our architect's specifications for UV resistance.