DC53D+Z Hot-Dip Galvanized Steel: Selection for Stamped Cover Plates with Flanged Openings
Published
DC53D+Z is a hot-dip galvanized forming steel grade in Baosteel documentation, with +Z indicating the zinc coating. For stamped cover plates with access openings, material selection focuses on flanging formability and visible surface quality; purchasing should distinguish exposed and internal surfaces. Jiangsu Gaozhen handles enquiries by grade, dimensions and processing requirements.
DC53D+Z: material and applications
DC53D+Z is classified as a hot-dip galvanized forming steel in Baosteel documentation, with +Z denoting the zinc coating and a substrate intended for stamping. Cover plates with flanged openings require both flangeability at the opening edge and a flat visible surface, and this grade offers a starting point that combines formability with coating. Selection begins with the drawing requirements for flange height and visible surfaces, then assesses whether this grade matches. DC53D+Z is not directly equivalent to DX53D; they belong to different grade systems in the documentation, and substitution requires trial verification. Purchasing can mark exposed and internal surfaces separately to support later processing and inspection.
Material-category reference: https://esales.baosteel.com/portal/download/manual/manual_ApplianceSteel.pdf
Cover Plate Parts and Process Sequence
A cover with an access opening has two distinct features: its outer outline fits the equipment mounting face, while the flange defines the opening and local shape. Inspect the outline, opening, flange height and connection holes separately, rather than checking only overall length and width.
If the cover carries a seal, fasteners or internal fittings, provide the mating dimensions for trial assembly. Distinguish visible and internal faces on the drawing. Assess marks from stamping, handling and finishing against the actual appearance requirement instead of applying internal-face criteria to an exposed face.
Purchasing Surface Separation and Ordering Points
When purchasing DC53D+Z coils, listing exposed and internal surfaces separately helps plan downstream processing and inspection. Exposed surfaces focus on coating appearance and flatness, while internal surfaces can be controlled for forming and assembly. Before ordering, confirm coil width and thickness match blanking and tooling to avoid extra slitting or tool changes. Opening flanging places demands on edge forming; purchasing can discuss flange height and corner radii with the supplier as trial focus items. The zinc coating may be damaged during processing, so exposed surfaces need protection between operations.
Common Question on Opening Process Sequence
Q: Should the access opening be pierced before or after drawing? A: There is no fixed answer. Piercing before drawing subjects the flange edge to stretching during forming, and tooling must account for opening location; drawing before piercing makes flanging a separate operation with its own locating and tooling. Purchasing can require the drawing to specify opening position and flange height, and let the toolmaker determine the sequence based on trial results.
DC53D+Z dimensions and supply enquiry
The Gaozhen DC53D+Z product page lists these catalogue dimensions: Thickness range: 0.25-3.0 mm; Width range: 1000/1250/1500 mm. These values support specification discussions; confirm the required combination of gauge, width and condition for the material.
Discuss substrate, coating, surface condition and blank dimensions separately, then coordinate stock with cut-to-length, slitting or forming needs.
Product details: View related product details
Products and processing enquiries at Jiangsu Gaozhen
Jiangsu Gaozhen Trading Co., Ltd. handles trading and processing coordination for steel sheet, coil and related metal materials. Customers can find a grade and discuss drawings, service conditions and manufacturing requirements.
The product range includes cold-rolled, hot-rolled, galvanized and other coated, pickled, spring-steel, carbon-steel and stainless sheet or coil, plus zinc-titanium / zinc-copper-titanium and copper-titanium alloys. For a mixed-material project, list DC53D+Z and other grades as separate items with their own specifications.
Product catalogue: https://gaozhenmetal.com/en/products/
Enquire about DC53D+Z at Jiangsu Gaozhen
For a DC53D+Z enquiry, prepare the following information so the business team can review supply and processing against the actual component.
Material and dimensions: DC53D+Z, drawing revision or specified requirements, gauge and tolerance, width, and cut length for sheets.
Project conditions: full substrate designation and coating suffix, coating and surface requirements, forming and subsequent finishing.
Purchase plan: trial or batch requirement, quantity, delivery destination and requested timing.
Choose “Send enquiry” in the floating assistant, complete product, dimensions, quantity and contact details, confirm consent and submit. A receipt reference confirms that the form has been saved in Gaozhen’s website inbox. A chat message alone is not a submitted enquiry form.
Alternatively, contact Wang Dawei at +86 13861182855 or dawei5373@126.com. Mention this DC53D+Z article to help identify the product under discussion.
The business team confirms pricing, available specifications, stock and delivery against the enquiry.