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Cold Rolled Steel Coil

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Cold Rolled Steel Coil

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Carbon Steel Coil

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Product Description

Produced from hot rolled coils through pickling and cold rolling at room temperature. Features a smooth, clean surface, precise thickness tolerance, and excellent flatness. Offers good formability, deep drawability, and uniform mechanical properties. Available grades: SPCC, SPCD, SPCE, DC01, DC03, DC04, ST12, ST14, Q195, Q235, and low-carbon steel for deep drawing. Thickness range: 0.3mm – 3.0mm. Width: up to 1500mm, custom lengths available. Surface finish: bright (standard), matt, or oiled/un-oiled as required. Edge condition: mill edge or slit edge. Easy to cut, stamp, bend, and weld. Suitable for painting, plating, and other surface treatments. Meets JIS G3141, EN 10130, ASTM A1008, or GB/T 5213 standards.

Parameter

Product name	carbon steel roll / carbon steel coil
Standard	AISI, ASTM, DIN, JIS, GB, JIS, SUS, EN, etc
Process Method	Hot roll, cold roll, cold drawn, ect.
Other processing method	Cutting, bending, punching, or as customer's request
Surface	mild steel plain finish, hot dip galvanized, color coated, ect.
Thickness	0.15mm-30mm or according to customer's special request
width	500mm-2500mm or according to customer's special request
Material grade	Q195-Q420 Series,SS400-SS540 Series,S235JR-S355JR Series,ST Series, A36-A992 Series,Gr50 Series. Q345B, Q345C, Q345D, Q345E, Q390, Q390B, Q390C, Q390D, Q390E, Q420, Q420B, Q420C, Q420D, Q420E, Q460, Q460D, Q500C, Q500D, Q500E, Q550C, Q550D, Q550E, Q620C, Q620D, Q620E, Q690A, Q690B, Q690C, Q690D, Q690E, Q690D, Q690C, Q890C, Q890D 16Mo3, 16MnL, 16MnR, 16Mng, 16MnDR HG785D, S690QL, 50MN
Application	1.) metal constructions such as buildings,bridges,ships; 2.) transmission tower, reaction tower; 3.) lifting transportation machinery; 4.) industrial furnace;boilers 5.) container frame, warehouse goods shelves, etc

Application description:

Widely used in automotive panels (doors, hoods, roofs), home appliances (refrigerators, washing machines, microwaves), furniture (cabinets, desks, shelving), electrical enclosures, metal packaging (drums, cans), lighting fixtures, and precision stamped parts. The smooth surface and tight tolerances make it ideal for products requiring painting, plating, or decorative finishes.

Production description

Hot rolled coils are pickled to remove scale, then cold rolled at room temperature to precise thickness. The hardened coils are annealed to restore ductility, followed by skin pass for flatness and surface finish. Oil may be applied for rust protection. Finally, coils are inspected, cut to size, and packed.

Shipping Packaging

For export, cold rolled steel sheets are interleaved with VCI paper and moisture-proof film, stacked on ISPM-15 certified wooden pallets, secured with steel straps, and protected with edge protectors. Labels include grade, dimensions, and heat number for safe sea freight.

Why Choose Us?

1.Factory Strength： Direct manufacturer with integrated pickling, cold rolling, annealing, and skin pass lines, ensuring consistent flatness, uniform thickness, and stable supply.

2.Quality Assurance： Strict control of thickness tolerance (±0.02mm), surface finish, and mechanical properties; compliant with JIS G3141, EN 10130, ASTM A1008, GB/T 5213.

3.Certifications & Reports： Mill test certificates (MTC) with each shipment; third-party inspections (SGS, BV) and surface roughness reports available upon request.

4.Customization & Service： Wide grade range (SPCC–SPCE, DC01–DC04, ST12–ST14, Q195–Q235), thickness 0.3–3.0mm, custom widths and lengths, oiled/un-oiled, bright or matt finish with fast lead times.

5.Export Packaging： VCI paper + moisture-proof interleaving + ISPM-15 pallets + edge protectors + steel strapping for safe sea freight and scratch-free delivery.

FAQ

1. How to store cold rolled steel sheets to avoid surface rust?
Store indoors in dry, clean area with original interleaving paper. Keep humidity below 70% and avoid direct contact with water. Use within 6 months of delivery for best results.

2. Can cold rolled steel be welded without surface treatment?
Yes, but remove any oil or protective coating near weld area. Standard MIG/TIG or spot welding works well. For painting after welding, clean the weld zone thoroughly.

3. What is the difference between SPCC and SPCE grades?
SPCC is for general purpose bending and forming. SPCE offers deeper drawability, suitable for complex stamping like automotive panels or appliance housings.