Description
Factory-Direct Cold Rolled Sheets — Every coil passes our in-house laboratory for yield strength and elongation verification before shipment, eliminating middleman markups on DC01–DC06 and SPCC grades.
Technical Specifications
| Parameter | Value |
|---|---|
| Designation | DC01-DC06 SPCC Cold Rolled Steel Plate/Sheet |
| Product Type | Cold Rolled Steel Plate / Sheet |
| Steel Grade | DC01, DC02, DC03, DC04, DC05, DC06, SPCC, DC51D+Z, DC52D+Z, DC53D+Z, DC54D+Z, DC56D+Z, S220GD+Z, S250GD+Z, S280GD+Z |
| Standard | AISI, ISO9001 |
| Section Shape | Flat Sheet / Plate |
| Thickness | 0.11–5.0 mm |
| Width | 600–1500 mm |
| Length | As buyer requirement |
| Technique | Cold Rolled |
| Surface Treatment | Non-oiled / Normal Oiled / Slightly Oiled |
| Tolerance | ±1% |
| Skin Pass | Yes |
| Alloy Or Not | Non-Alloy |
| Processing Service | Welding, Punching, Cutting, Bending, Decoiling, Annealed, Black Annealed |
| Application | Automotive, Appliance, Construction, Machinery Manufacturing |
| MOQ | 1 Ton |
| Origin | Shandong, China |
Application Suitability
| Industry | Typical Applications |
|---|---|
| Automotive | Door inner panels, chassis brackets, seat frame components requiring deep drawability |
| Appliance | Washing machine drums, refrigerator side panels, air conditioner housings |
| Construction | Light steel keel, roofing underlayment, HVAC duct blanks |
| Machinery Manufacturing | Electrical enclosure panels, control box housings, conveyor guard covers |
What Thickness Tolerance Costs on a Deep Drawing Order
A 0.05 mm deviation on a 0.3 mm DC04 sheet means cracked parts and scrapped tooling.
Global buyers sourcing cold rolled steel for stamping and forming operations routinely face inconsistent material properties across batches. One shipment draws perfectly; the next cracks at the die radius. The root cause often traces back to suppliers who skip skin pass treatment or blend off-grade coils without updating mill test certificates [NEED_CITE: cold rolled steel thickness tolerance impact on stamping quality]. When your DC04 specification calls for consistent elongation across the coil width, a ±1% tolerance backed by real laboratory data separates production-grade material from warehouse leftovers. Fragmented sourcing — buying sheets from one vendor and having them slit by another — adds handling damage and dimensional drift that no amount of supplier negotiation can fix.
How DC01 Through DC06 Grades Match Stamping Depth Requirements
Selecting the correct cold rolled steel plate DC01 DC04 SPCC supplier starts with matching the EN 10130 drawability class to your forming severity. DC01 suits simple bending and roll-forming where deep drawing is not required. DC03 and DC04 handle moderate to severe drawing operations typical in appliance housings and automotive brackets. DC05 and DC06 serve the most demanding deep drawing applications where material must flow uniformly without necking or tearing. Our production lines cover the full range from 0.11 mm to 5.0 mm, so a single purchase order can supply both your shallow-formed enclosure panels and your deepest-drawn structural cups without splitting shipments across multiple vendors.
Engineering Compliance and Surface Condition for Export Projects
Cold rolled sheets destined for EU construction projects must carry documentation traceable to the original heat number, and customs authorities increasingly reject shipments lacking proper mill test certificates [NEED_CITE: EN 10130 cold rolled flat products specification requirements]. The surface treatment choice — non-oiled for immediate painting, normal oiled for medium-term storage, or slightly oiled for deep drawing lubrication — directly affects downstream processing costs. Structural grades like S220GD+Z through S280GD+Z with zinc coating serve light structural framing where corrosion resistance and load-bearing capacity must coexist. Width options from 600 mm to 1500 mm accommodate both standard container loading and custom slitting requirements, reducing on-site waste.
Steel Grade Selection and Cold Rolling Process Fundamentals
The DC series follows the EN 10130 classification where increasing suffix numbers indicate higher formability achieved through controlled annealing and skin pass rolling. DC01 provides commercial quality for general fabrication, while DC06 represents the highest drawing quality available in the cold rolled non-alloy category. SPCC, the JIS G 3141 equivalent, remains the most commonly requested grade across Asian and Middle Eastern markets due to its balanced forming characteristics and cost efficiency. Cold rolling itself reduces hot rolled coil to precise thicknesses while improving surface finish and dimensional accuracy — the skin pass treatment applied afterward eliminates yield point elongation, preventing stretcher strains on visible surfaces after forming. Tolerance control at ±1% across the 0.11–5.0 mm range ensures that theoretical weight calculations match actual delivered weight, preventing disputes on cost-per-ton settlements.
Hidden Costs of Sourcing Without Verified Mill Certificates
Purchasing cold rolled sheets based on price alone while skipping independent quality verification creates expenses that surface only during production or at the customs checkpoint. Material that fails to meet the specified DC grade chemistry will crack during forming, generating scrap costs that dwarf the initial price savings [NEED_CITE: cold rolled steel quality certification requirements for international trade]. Missing or falsified mill test certificates trigger customs holds in the EU and North America, where importers must present EN or ASTM-compliant documentation before cargo clearance. Negative tolerance abuse — where actual thickness falls below the nominal specification beyond acceptable limits — reduces structural capacity and voids engineering approvals, forcing complete order replacement at the supplier’s original savings multiplied many times over.
Why Engineering Procurement Teams Source From Our Mill
Every coil leaving our facility carries a mill test certificate generated from our own physical and chemical laboratory, not a forwarded document from a trading desk. We maintain dedicated cold rolling lines covering over 2,800 specifications across our full product range, meaning your DC04 requirement at 0.8 mm × 1200 mm does not get bundled with someone else’s surplus. Our quality management system holds ISO 9001:2015 certification, and third-party inspection through SGS or BV can be arranged for any shipment before container sealing. Custom non-standard widths, lengths, and thicknesses are produced in-house without the inflated minimum orders that trading companies impose to cover their own sourcing uncertainty. Professional loading plans optimize container weight distribution for sheets in the 0.11–2.0 mm range, preventing edge damage during ocean transit. We export to over 50 countries with complete documentation packages prepared for each destination’s customs requirements.
Documentation & Compliance
- Mill test certificate documenting DC01–DC06 chemical composition and mechanical properties per EN 10130 for each heat number
- ISO 9001:2015 quality management certificate covering cold rolling, annealing, and skin pass processes
- SGS or BV third-party inspection report available upon request for independent verification of thickness tolerance and surface quality
- Material traceability linking each bundle to the original slab heat number through the complete cold rolling and annealing cycle
- Customs documentation package including commercial invoice, packing list, bill of lading, and certificate of origin formatted for EU, North American, and Middle Eastern import requirements
- SPCC grade test reports confirming compliance with JIS G 3141 specifications for customers in Asian markets
Packaging, Loading & Delivery
- Cold rolled sheets bundled with steel strips and edge protectors to preserve surface quality during transit, with oil treatment level (non-oiled, normal oiled, or slightly oiled) clearly marked on each bundle label
- Seaworthy packaging using waterproof paper wrapping and steel pallets for sheets in the 0.11–1.0 mm thickness range to prevent edge wave and moisture damage during ocean freight
- Container loading plans optimized for 600–1500 mm width sheets, maximizing payload while distributing weight to meet port handling equipment limits
- Custom cut-to-length service available before shipment, delivering sheets in exact project dimensions to reduce on-site cutting waste for construction and machinery applications
- Heat number and steel grade identification stamped on each sheet edge for traceability verification at the receiving warehouse
- FOB, CIF, and DDP shipping terms available with door-to-door logistics coordination to final project site across 50+ destination countries
How to Request a Formal Quotation With Mill Test Data
Submit your cold rolled steel plate DC01 DC04 SPCC supplier inquiry specifying steel grade, thickness, width, length, surface treatment preference, and destination port. We respond within 12 hours with unit pricing, applicable certifications, and typical production lead times. Sample coils and original mill test certificates are available for quality confirmation before contract signing.
Start Your Cold Rolled Steel Procurement
Send your specifications via email or WhatsApp to receive a detailed quotation with mill test certificate samples and certification documentation.
Company: Shandong Xin Jiyuan Special Steel Tube Co., Ltd
Tel: +86 531 8573 6315
Mobile/WhatsApp/WeChat: +86 188 5315 7756
Email: admin@sdxjysteel.com








