Description
Factory-direct coils, no trading markup — Each 1008 and 1020 Cold Rolled Carbon Steel Coil rolls off our own lines with full chemistry and mechanical traceability to the heat number.
Technical Specifications
| Parameter | Value |
|---|---|
| Designation | Cold Rolled Carbon Steel Coil 1008 1020 |
| Product Type | Steel Coil |
| Steel Grade | 1008, 1020 |
| Thickness | 0.2-3mm |
| Width | 600-3000mm |
| Length | Coil / According to customer requirements |
| Weight per Coil | 8-35MT/Coil |
| Technique | Cold rolled |
| Surface Treatment | Smooth and beautiful surface (cold rolled finish) |
| Packaging | Export standard, seaworthy |
| Origin | Shandong, China |
Application Suitability
| Industry | Typical Applications |
|---|---|
| Construction | Anti-corrosion industrial and civil building roof panels, roof grilles, structural cladding |
| Automotive | Corrosion-resistant body panels, chassis brackets, interior structural parts |
| Light Industry | Household appliance shells, civil chimneys, kitchen appliance enclosures |
| Agriculture & Fisheries | Food storage silos, meat and aquatic product freezing processing equipment |
| Commerce | Material storage racks, transportation packaging frames, warehouse shelving |
Why Mixing 1008 with 1020 on a Coil Order Can Wreck a Stamping Line
Grade separation on the mill test certificate is the only thing standing between a clean press run and a container of cracked parts.
I still remember a shipment where a few coils of 1020 got bundled in with 1008. The buyer’s stamping dies were set for the softer 1008 draw. The 1020 coils cracked at the corners, and the entire container came back. Since that day, every Cold Rolled Carbon Steel Coil 1008 1020 supplier in our dispatch yard checks the heat number against the packing list twice before the container door closes. Fragmented sourcing from multiple yards is exactly where grade mixing happens — one supplier’s “mild steel” is another’s “drawing quality,” and nobody compares mill certs until the press breaks something. [NEED_CITE: carbon steel grade classification for cold rolled sheet per ASTM A1008 and A510]
Matching Coil Width and Thickness to Roof Panel and Appliance Shell Forming
Cold rolled coils in 1008 and 1020 grades at 0.2-3mm thickness feed directly into roll-forming lines for roof panels and into stamping presses for appliance shells. The 600-3000mm width range means a single Cold Rolled Carbon Steel Coil 1008 1020 order can be slit to match your roll-former’s entry guide without secondary trimming waste. Tight cold-rolled thickness tolerance keeps panel profile consistent across long runs, which matters when roof grilles have to stack and interlock on a job site.
Engineering Compliance and Surface Finish Requirements for Corrosive Environments
Roof panels and freezing-processing equipment see moisture on one side and condensation on the other. The cold rolled finish on 1008 and 1020 coils provides a uniform, smooth surface that accepts post-forming coatings — galvanizing, painting, or powder coating — without the scale variation you get on hot-rolled stock. For EU construction projects, material documentation must align with EN standards for traceability, and for North American appliance OEMs, ASTM A1008 grade designation has to appear on the mill cert. [NEED_CITE: cold rolled steel surface finish requirements for coated product applications] Custom slitting to exact width eliminates edge-wave problems on high-speed forming lines.
1008 vs 1020: Carbon Content, Formability, and Where Each Grade Belongs
1008 is a low-carbon drawing steel — soft, highly formable, and the default choice for deep-drawn appliance shells and complex roof panel profiles. 1020 carries slightly higher carbon, giving it better machinability and marginally higher strength after forming, which suits structural brackets and parts that see light load-bearing after assembly. Both grades cold roll to a smooth, scale-free surface, but 1020 will work-harden faster on the press, so die clearance and lubrication need adjustment when switching between the two on the same line. The 0.2-3mm thickness range covers everything from thin appliance wraps to heavier structural roofing, and width slitting from 600mm up to 3000mm means you can consolidate multiple SKUs into one Cold Rolled Carbon Steel Coil 1008 1020 procurement.
The Hidden Cost of Unverified Grade and Thickness on a Coil Purchase
A coil labeled 1008 that actually contains 1020-level carbon will crack in deep drawing. A coil measured at 0.5mm that is really 0.45mm due to uncontrolled negative tolerance will fail structural load calculations on roof grilles. Missing or incomplete mill test certificates delay customs clearance on EU and North American ports, and re-inspection fees eat into margin. [NEED_CITE: consequences of material misidentification in structural steel procurement] The cost of a rejected container is never just the freight — it is the idle press line, the delayed project handover, and the reputation hit with the end client.
Why Engineering Buyers Source Cold Rolled Coils From Our Jinan Mill
We run three dedicated production lines and an in-house physical and chemical laboratory, so every Cold Rolled Carbon Steel Coil 1008 1020 gets tested before it leaves the yard — no third-party lab backlog, no waiting for outsourced results. Our product catalog covers 2,800+ specifications across tubes, plates, coils, and sections, which means if your project also needs square tubes or H-beams, they ship in the same container from the same mill test batch. We hold CE certification under EN 10210/10219, ISO 9001:2015, and Singapore FPC, and we accept SGS or BV third-party inspection on any order. Custom slitting to non-standard widths and non-standard coil weights is routine, not an exception request. Our loading team plans container stowage by coil weight and diameter to maximize payload and prevent transit damage, and we handle FOB, CIF, and DDP to 50+ countries.
Documentation & Compliance
- Mill Test Certificate documenting 1008 and 1020 chemical composition (C, Mn, P, S) and mechanical properties per cold rolled coil standards, with heat number traceability
- CE certificate covering EN 10210/EN 10219 compliance for steel products entering EU construction and industrial markets
- ISO 9001:2015 quality management certificate covering cold rolling, slitting, and coil inspection processes
- SGS or BV third-party inspection report available per shipment, covering dimensional, surface, and chemical verification
- Material traceability by heat number printed on each coil tag and matched to the packing list
- Customs document package including commercial invoice, packing list, bill of lading, and certificate of origin
Packaging, Loading & Delivery
- Cold rolled coils packed in export-standard seaworthy wrapping with steel strip bundling to protect the smooth surface finish during ocean transit
- Edge protectors and moisture-resistant inner wrapping preserve the cold rolled finish on 1008 and 1020 coils in humid shipping conditions
- Container loading plans optimized by coil weight (8-35MT) and outer diameter to maximize payload within 0.2-3mm thickness and 600-3000mm width ranges
- Custom slitting to buyer-specified widths eliminates on-site trimming waste for roof panel and appliance shell production lines
- Coil tags marked with steel grade (1008 or 1020), heat number, thickness, width, and net weight for yard identification and mill cert cross-reference
- FOB, CIF, and DDP shipping options with door-to-door logistics to EU, North America, Southeast Asia, Middle East, and 50+ countries
Getting a Firm Quote on Your Coil Specification
Send us your required steel grade (1008 or 1020), thickness, width, total tonnage, and destination port. We respond within hours with unit pricing, production lead time, payment terms, and a sample mill test certificate format so your quality team can confirm before the deposit locks production.
Frequently Asked Questions
Q: What is the difference between 1008 and 1020 cold rolled steel coils in forming applications?
A: 1008 is a low-carbon drawing grade with higher formability, suited for deep-drawn appliance shells and complex roof panel profiles. 1020 has slightly higher carbon content, offering better machinability and marginally higher strength for structural brackets and light load-bearing parts.
Q: Can you slit cold rolled coils to custom widths within the 600-3000mm range?
A: Yes. We slit Cold Rolled Carbon Steel Coil 1008 1020 to buyer-specified widths from our master coils, eliminating on-site trimming and reducing material waste on roll-forming and stamping lines.
Q: Do you provide mill test certificates for each coil shipment?
A: Yes. Every shipment includes a mill test certificate documenting chemical composition and mechanical properties, with heat number traceability for each coil. Third-party inspection by SGS or BV is also available.
Q: What surface finish do the cold rolled coils have?
A: The coils have a smooth, scale-free cold rolled finish, suitable for direct use or as a substrate for galvanizing, painting, or powder coating in construction and appliance applications.
Q: What is the typical coil weight range?
A: Coils are supplied in weights from 8 to 35 metric tons, depending on thickness, width, and buyer requirements. Container loading plans are optimized to maximize payload within these weight ranges.
Get Your Cold Rolled Coil Quote with Mill Test Certification
Submit your grade, thickness, width, and quantity to receive pricing and a sample mill test certificate within hours. Contact us at +86 188 5315 7756 (WhatsApp/WeChat) or admin@sdxjysteel.com.
