Cold rolled bright steel strip is a high-precision BA strip with a clean, mirror-like surface, excellent flatness and tight dimensional tolerances. Produced through controlled cold reduction and bright annealing, it delivers uniform ductility and mechanical strength while reducing pre-treatment costs for electroplating, powder coating and precision stamping.
Key Specifications
Thickness: 0.2 – 4.5 mm
Width: 30 – 870 mm | Custom slitting & deburred edges
Coil: 3 – 13 MT | ID: 508 / 610 mm
Authentic Steel is a premier global bright steel strip supplier, manufacturer, and exporter of high-precision cold rolled bright annealed steel strip and coil products engineered for applications demanding flawless surface aesthetics, tight dimensional tolerances, and superior mechanical consistency. Produced from high-grade cold-rolled carbon steel, our bright finish steel strip undergoes specialized cold reduction and continuous controlled-atmosphere annealing (BA). This advanced processing delivers a clean, smooth, mirror-like metallic bright surface with zero oxidation, exceptional surface cleanliness, and uniform ductility.
Strictly conforming to international engineering benchmarks including ASTM A109/A109M, JIS G3141, EN 10139, and GB/T 5213, our bright steel strips deliver predictable cold-forming performance, making them the preferred choice for high-speed automated stamping, precision tubing, and decorative hardware manufacturing across global markets.
Product Formats: Bright Annealed Steel Strip, Precision Slit Coil, Polished Bright Steel Strip
Thickness Range: 0.20 mm to 4.50 mm (Tight cold-rolled gauge tolerance control)
Width Range: 30 mm to 870 mm (Custom precision longitudinal slitting & deburred safety edges)
Coil Specifications: Flexible unit coil weights from 3 to 13 MT; Inner Diameters (ID): 508 mm or 610 mm for seamless integration with automated decoilers
Surface Finish Options: Bright Annealed (BA), High-Grade Mirror Polished Finish, Smooth Bright (SPCC-SB/SD)
Surface Protection: Anti-rust light oiling for extended shelf life, dry surface, or removable protective PE film lamination upon request
Edge Finishing Options: Slit Edge, Mill Edge, or Deburred / Rounded Safety Edge
Manufacturing Standards: ASTM A109/A109M, JIS G3141, EN 10139, GB/T 5213
Commercial & Tube Quality (SPCC / DC01): GB Q195/SPCC | ASTM A109 CS Type B | EN 10139 DC01 | JIS G3141 SPCC-SD/SB (Optimized for precision furniture tubing, plating-grade pipes, and general hardware)
Deep-Drawing & Stamping Quality (SPCD / SPCE / DC03/DC04): GB 08AL/SPCD | ASTM A109 DS/DDS | EN 10139 DC03/DC04 | JIS G3141 SPCD/SPCE (Ideal for complex automotive stampings, electronic enclosures, and deep-drawn components)
High-Carbon & Spring Quality (C45E / C67S / SK85): GB 45#/65Mn | ASTM 1045/1065 | EN 10132 C45E/C67S | JIS G4801 SUP6 / SK85 (Engineered for precision springs, saw blades, and high-tensile industrial fittings)
Our bright annealed steel strip is specifically formulated for high-efficiency downstream processing:
Hardware & Precision Stamping: Superior surface cleanliness and uniform temper prevent micro-cracking during intricate multi-stage stamping, deep drawing, and tight-radius bending for electronic components and automotive hardware.
Furniture & Architectural Pipe Manufacturing: The defect-free bright surface significantly reduces pre-treatment costs for electroplating (chrome/nickel plating), powder coating, or secondary polishing in commercial tube production.
Auto Parts & Machinery Components: High yield strength and uniform hardness ensure long-lasting mechanical durability in seat rails, seatbelt mechanisms, industrial brackets, and machinery fittings.
Quality assurance is integrated into every manufacturing batch. Laboratory testing verifies Rockwell/Vickers hardness, surface roughness (Ra values), tensile strength, elongation percentages, and strict dimensional tolerances. Material Test Certificates (MTC EN 10204 3.1) and third-party pre-shipment inspections (SGS, Bureau Veritas) are provided standard.
Value-added processing services include custom precision slitting, cut-to-length sheet leveling, edge deburring, and protective PE lamination. To guarantee zero corrosion or surface scratching during ocean transit, all shipments receive heavy-duty seaworthy export packaging: anti-rust VCI paper, moisture-proof plastic wrapping, metal corner protectors, and steel strapping securely anchored to sturdy wooden pallets.
Request a Fast Quote: Contact our export specialists today to receive customized slitting solutions, physical samples, and real-time wholesale pricing for your upcoming orders!
WhatsApp: +86 137 8227 9845
Email: alice@authsteel.com
