Description
Direct Mill Supply — Every DC01–DC06 SPCC cold rolled steel plate ships with original MTC and verified thickness.
Technical Specifications
| Parameter | Value |
|---|---|
| Designation | DC01-DC06 SPCC Cold Rolled Steel Plate |
| Product Type | Cold Rolled Steel Plate / Sheet |
| Steel Grade | DC01, DC02, DC03, DC04, DC05, DC06, SPCC |
| Standard | EN 10130 (DC01–DC06), JIS G 3141 (SPCC), AISI |
| Thickness | 0.11–5.0 mm |
| Width | 600–1500 mm |
| Length | Cut-to-size per buyer requirement |
| Technique | Cold Rolled |
| Surface Treatment | Non-oiled / Slightly Oiled / Skin Pass |
| Tolerance | ±1% |
| Processing Service | Welding, Punching, Cutting, Bending, Decoiling, Annealed, Black Annealed |
| Alloy | Non-Alloy Carbon Steel |
| Application | Automotive, Home Appliance, Construction, Machinery Manufacturing |
| MOQ | 1 Ton |
Application Suitability
| Industry | Typical Applications |
|---|---|
| Automotive | Body panels, door skins, chassis brackets requiring deep drawing (DC04–DC06) |
| Home Appliance | Washing machine cabinets, refrigerator housings, microwave enclosures |
| Construction | Light structural framing, HVAC ductwork, roofing underlayment |
| Machinery Manufacturing | Machine guards, electrical enclosures, stamped brackets and base plates |
Why DC01–DC06 Equivalence Mapping Prevents Wrong Material Selection on Deep Drawing Orders
Mixing SPCC with DC04 on a stamping line guarantees cracking at the die radius.
Procurement teams frequently receive drawings specifying SPCC when the actual forming depth requires DC04 or DC05. The JIS SPCC designation covers a broad commercial-quality range, while EN 10130 DC04–DC06 grades guarantee specific r-values and elongation for severe drawing. Without certified equivalence mapping and original mill test certificates showing actual mechanical properties, fabricators discover the mismatch only after the first press stroke tears the blank. Thickness tolerance drift compounds the problem — a 0.5mm nominal sheet arriving at 0.42mm reduces draw ratio capacity and triggers rejection on load-bearing appliance housings. [NEED_CITE: steel grade equivalence between EN 10130, JIS G 3141, and ASTM A366 standards]
Matching Cold Rolled Grades to Forming Depth and Structural Load Paths
When a fabrication workshop orders DC01-DC06 SPCC cold rolled steel plate supplier material for appliance housings, the forming severity dictates grade selection far more than thickness alone. DC01 and DC02 serve roll-forming and light bending where surface quality matters more than elongation. DC03 handles moderate drawing such as sink basins and electrical box enclosures. DC04 through DC06 cover automotive body panels and deep-drawn appliance cabinets where the material must stretch over complex die geometries without necking. Our plate and coil division stocks full-width coils across all six EN grades and SPCC, then slits and cuts to the exact blank size the press line requires — eliminating the scrap loss that comes from buying oversized sheets and trimming in-house.
Engineering Compliance and Certification Requirements for Cold Rolled Flat Products
Cold rolled plates destined for EU automotive supply chains must carry EN 10130 grade designation with traceable heat numbers linking chemistry to mechanical test results. North American appliance OEMs typically require ASTM A366 or A619 equivalence documented on the mill test certificate. The skin-pass treatment option controls surface roughness for painting adhesion while maintaining flatness critical for visible appliance panels. For construction applications where cold rolled sheets serve as HVAC ductwork or electrical enclosures, the ±1% thickness tolerance ensures consistent seam welding parameters across the full coil length. Third-party inspection through SGS or BV verifies both dimensional accuracy and surface condition before container loading. [NEED_CITE: EN 10130 cold rolled steel flat product requirements for forming grades]
Understanding the DC01–DC06 Grade Progression and Cold Rolling Process
The EN 10130 designation system sequences cold rolled grades by increasing formability: DC01 provides commercial quality for simple bending, while DC06 delivers extra-deep drawing capability for automotive complex shapes. This progression reflects controlled carbon content reduction and extended annealing cycles that increase elongation and plastic strain ratio. SPCC under JIS G 3141 occupies a position roughly equivalent to DC01–DC02, suitable for general forming but lacking guaranteed deep-drawing properties. The cold rolling process itself reduces hot-rolled coil thickness through room-temperature reduction passes, then full-hard annealing recrystallizes the grain structure before skin-pass rolling restores flatness and surface texture. Oiled surface treatment prevents transit corrosion without interfering with subsequent painting or powder coating operations. Non-oiled finish serves applications requiring immediate welding or adhesive bonding where oil residue would compromise joint integrity.
Hidden Costs When Thickness Tolerance and Grade Certification Fail
Ordering cold rolled sheets without verified thickness tolerance means the fabricator pays for nominal weight while receiving less material per sheet. A 0.5mm specification arriving at 0.42mm reduces structural rigidity in load-bearing appliance frames and fails end-user quality audits. More critically, substituting SPCC for DC04 on a deep-drawn automotive bracket causes splitting during forming — the scrap cost exceeds the original material savings. Missing or forged mill test certificates trigger customs holds in markets requiring verified chemistry documentation, delaying projects by weeks while replacement documents are sourced from the original mill. [NEED_CITE: consequences of unverified mill test certificates in steel import compliance]
Procurement Confidence Through Direct Mill Traceability and Processing Capability
Every DC01-DC06 SPCC cold rolled steel plate supplier order from our Jinan facility ships with original mill test certificates showing heat number, chemical composition, and mechanical properties traceable to the slab. Our dedicated plate and coil division maintains ready stock across DC01 through DC06 and SPCC in thicknesses from 0.11mm to 5.0mm, eliminating the minimum order constraints that force fabricators to buy full coils when they need cut-to-size blanks. Plasma and flame cutting, leveling, and slitting services deliver finished blanks ready for the press brake or stamping die. ISO 9001:2015 and CE certification provide the quality framework, while SGS/BV third-party inspection offers independent verification for projects requiring additional assurance. Professional heavy cargo loading using flatbed trucks and open-top containers prevents edge damage during transit to port.
Documentation & Compliance
- Mill test certificate documenting DC01–DC06 chemical composition, yield strength, elongation, and r-values per EN 10130
- Original MTC with heat number traceability linking each cut piece to the slab chemistry and rolling records
- ISO 9001:2015 quality management certificate covering cold rolled plate and coil processing
- SGS or BV third-party inspection report verifying thickness tolerance and surface condition
- Customs documentation including packing list, bill of lading, and certificate of origin
- CE marking compliance for cold rolled products entering European Economic Area markets
Packaging, Loading & Delivery
- Cold rolled plates bundled with steel strips and edge protectors to prevent coating damage during ocean transit
- Oiled surface treatment applied before packaging to prevent corrosion during extended container shipping
- Cut-to-size blanks stacked with interleaving paper to maintain surface quality for painted appliance applications
- Open-top container loading for plates exceeding standard container height, with weight distribution optimized to avoid port overweight penalties
- Heat number and grade identification marked on each bundle for site traceability during fabrication
- FOB, CIF, and DDP shipping terms available with professional flatbed transport from Jinan facility to port
Getting Your DC01–DC06 Quote with Certified Mill Documentation
Submit your thickness, width, length, grade requirement, and destination port to receive a detailed quotation including material cost, processing fees, and shipping terms within twelve hours. We provide original mill test certificates for review before shipment, allowing your quality team to verify chemistry and mechanical properties against your engineering specification. Custom cutting and slitting services mean you order exact blank sizes rather than full coils, reducing material waste and handling cost.
Request DC01–DC06 SPCC Cold Rolled Steel Plate Quotation with MTC
Send your specification sheet including grade, thickness, width, length, quantity, and destination to receive pricing and original mill test certificate documentation.
Company: Shandong Xin Jiyuan Special Steel Tube Co., Ltd
Website: www.xjyplate.com
Tel: +86 531 8573 6315
Mobile/WhatsApp/WeChat: +86 188 5315 7756
Email: admin@xjyplate.com
Frequently Asked Questions
Q: What is the equivalence between DC04 and SPCC for deep drawing applications?
A: DC04 under EN 10130 provides guaranteed deep drawing capability with specific r-values and elongation, while SPCC under JIS G 3141 covers commercial quality suitable for general forming. For severe drawing operations, DC04 or DC05 should be specified rather than SPCC to prevent material splitting.
Q: Can you provide mill test certificates for individual cut pieces from a coil?
A: Yes, every cut piece carries traceability back to the original coil heat number. The mill test certificate documents chemical composition and mechanical properties for the heat, and our dimensional inspection report confirms thickness and flatness for the specific blanks supplied.
Q: What is the minimum order quantity for cut-to-size cold rolled plates?
A: The minimum order is 1 ton, which accommodates small-lot fabrication orders requiring specific blank sizes rather than full coil purchases.
Q: How do you control thickness tolerance on cold rolled plates?
A: Our cold rolled plates maintain ±1% thickness tolerance verified through dimensional inspection. Each shipment includes measurement reports confirming actual thickness across the plate width and length.
Q: What surface treatment options are available for cold rolled plates?
A: We offer non-oiled finish for applications requiring immediate welding or bonding, slightly oiled surface for general corrosion protection during transit and storage, and skin-pass treatment for improved flatness and controlled surface roughness for painting adhesion.
