Automotive Grade Hot-Dip Galvanized Deep Drawing Steel Coil – Body Panel Grade
Product Overview
Automotive-grade hot-dip galvanized deep drawing steel is a premium body-in-white material specially engineered for automotive exterior body panels. Built on ultra-low carbon deep drawing steel base with uniform zinc coating, it delivers excellent formability, zero-defect surface quality and reliable coating adhesion. This grade is optimized for high-volume automotive stamping lines, meeting strict OEM appearance and forming requirements for visible body panels.
Why Choose CNB Automotive Body Steel?
We supply automotive body steel from certified OEM-approved mills with strict process control over surface quality, mechanical properties and coating uniformity. Every coil undergoes 100% surface defect inspection and forming property verification to ensure stable performance on automated stamping lines. We offer a full range of drawing grades and coating weights to match different panel complexity and corrosion protection requirements.
Key Specifications
| Item | Specification |
|---|---|
| Product Name | Automotive Galvanized Deep Drawing Steel Coil |
| Steel Grade | DC04 / DC06 automotive grade |
| Zinc Coating Mass | Z80 – Z140g/m² (double side) |
| Base Thickness Range | 0.6mm – 2.0mm |
| Standard Widths | 1000mm, 1250mm, 1500mm, 1800mm |
| Coil Inner Diameter | 508mm / 610mm |
| Spangle Type | Zero spangle / mini spangle |
| Surface Roughness | Ra 0.8 – 1.6μm (controlled) |
| Applicable Standards | Automotive body material standards, EN 10346 |
| Minimum Elongation | ≥38% (DC04) / ≥42% (DC06) |
Core Advantages
- Zero-defect surface: 100% inspection for visible surface quality on outer body panels.
- Excellent deep drawability: Consistent forming performance for complex panel geometries.
- Reliable coating adhesion: No flaking or powdering even after severe forming.
- Batch-to-batch consistency: Tight property tolerances for stable automated production.
- OEM qualified: Sourced from certified automotive steel mills with full documentation.
Applications
This automotive galvanized deep drawing steel is widely used for car body outer panels, door skins, hoods, trunk lids, fenders, roof panels and visible exterior body components.
Get a Quotation
We supply a full range of automotive body steel grades including deep drawing, bake hardening and high strength grades with various coating options. Material samples and OEM qualification support are available upon request. Contact our automotive steel team for a detailed quotation.
