Surface quality A / B
State appearance category and allowable visual variation for the intended use and the contracted standard edition.
EN 10346 | DRAWING QUALITY | HOT-DIP ZINC COATED
DRAWING PERFORMANCE / ZINC COATING / COIL GEOMETRY
Source DX52D+Z coated steel coils for formed sheet-metal components, stamped housings, duct fittings and fabricated parts. Submit your forming geometry, selected zinc coating, gauge, surface quality and total tonnage for a specification-led quotation.
Review technical requirements ↓A drawing-quality designation only completes part of the specification. Coating class, surface, dimensions, mechanical test conditions and coil packing must also match your downstream production.
| Parameter | What to put in your RFQ |
|---|---|
| Product designation | DX52D+Z hot-dip galvanized steel coil; EN steel number 1.0918 |
| Steel type | Low-carbon drawing-quality steel for cold forming |
| Technical delivery standard | EN 10346:2026; specify the edition applicable to the purchase contract |
| Dimensional tolerances | EN 10143; normal or special tolerance by contract |
| Nominal thickness enquiry example | 0.30–3.00 mm; other gauges subject to mill confirmation |
| Coil width enquiry example | 600–1500 mm; slit widths subject to manufacturing confirmation |
| Zinc coating class | Z100, Z140, Z180, Z200, Z225, Z275, Z350 by agreement |
| Coil inner diameter | 508 mm or 610 mm enquiry options; confirm for each order |
| Coil net mass | Quote the acceptable MT/coil and maximum lifting weight |
| Surface quality | A or B subject to applicable edition, finish and availability |
| Surface protection | Passivation, oiling or other treatment by quotation |
| Edge and inspection | Mill/slit edge; MTC, coating and mechanical records as required |
These dimensions are indicative enquiry choices, not guaranteed mill capability or stock. Clarify whether the thickness is the uncoated substrate or the finished zinc-coated product.
These chemical limits describe the steel substrate rather than the zinc coating. Published producer values assist early procurement; the specified EN 10346 edition and MTC govern acceptance.
| Element | Published reference maximum, mass % |
|---|---|
| Carbon (C) | ≤0.12 |
| Silicon (Si) | ≤0.50 |
| Manganese (Mn) | ≤0.60 |
| Phosphorus (P) | ≤0.100 |
| Sulfur (S) | ≤0.045 |
| Titanium (Ti) | ≤0.30 |
Reference ladle-analysis limits for DX52D from published EN 10346 producer tables (historically EN 10346:2015). Confirm the limits against your ordered 2026 or other applicable edition and the actual heat-specific MTC.
Unlike general profiling steel, DX52D is intended for drawing. Compare tensile and elongation values with your part geometry, and define which mechanical values require contractual confirmation.
| Mechanical characteristic | Published DX52D reference |
|---|---|
| Steel quality | DX52D drawing quality; lower-carbon coated flat product |
| 0.2% proof / lower yield strength | 140–300 MPa published guidance for applicable skin-passed surface B; grade/surface/edition conditions apply |
| Surface quality A yield caveat | A higher upper yield limit can apply; published producer guidance cites up to 360 MPa for surface A |
| Tensile strength Rm | 270–420 MPa published transverse reference |
| A80 elongation, 0.30–<0.50 mm | ≥22% published mill reference |
| A80 elongation, 0.50–<0.70 mm | ≥24% published mill reference |
| A80 elongation, 0.70–6.00 mm | ≥26% under the applicable product range |
| r90 / n90 | No universal guaranteed drawing index for DX52D in the cited grade tables; specify additional needs |
| Mechanical-property time window | Order and test age conditions should be confirmed; some producer guidance has limited guarantee windows |
The values are supplier-published EN 10346 DX52D references, not a universal guaranteed set for every thickness, skin-pass condition or standard edition. Specify exact inspection and acceptance terms.
Zinc designations are measured as the combined coating mass on both faces under the applicable test rules. The coating can affect forming friction, die pickup, surface appearance and corrosion protection.
| Coating designation | Minimum total coating mass* | Buyer note |
|---|---|---|
| Z100 | 100 g/m² | Light zinc-coating enquiry |
| Z140 | 140 g/m² | Project coating choice |
| Z180 | 180 g/m² | Project coating choice |
| Z200 | 200 g/m² | Project coating choice |
| Z225 | 225 g/m² | Project coating choice |
| Z275 | 275 g/m² | Common specification benchmark |
| Z350 | 350 g/m² | Heavier coating enquiry |
* Reference EN hot-dip zinc coating mass designation for both sides combined, based on the applicable triple-spot method. Coating compatibility with drawing strain and supply availability are evaluated per order.
Skin passing, zinc appearance and surface treatment are separate purchasing conditions. Confirm them before selecting mechanical acceptance rules and tooling parameters.
Discuss the required zinc spangle and coated surface finish where press tooling, paint appearance or finished-part visibility matters.
Specify surface class and skin-pass requirements to support a stable forming process and clarify the applicable yield-strength conditions.
State appearance category and allowable visual variation for the intended use and the contracted standard edition.
Specify passivation or oiling with handling and storage conditions; these treatments provide limited transit and storage protection.
Confirm slit-edge quality, burr, camber, flatness and optional surface cleanliness for the tooling line.
Send the part drawing, surface standard and protection requirement with the coil RFQ.
A complete forming-grade coil request covers more than grade and zinc mass. Communicate the part geometry and any guaranteed mechanical or surface criteria to avoid mismatched incoming material.
State DX52D+Z, the agreed EN 10346 edition and any customer forming specification or inspection plan.
Provide stamped-part drawing, bend radii, surface class, skin-pass condition and the zinc mass designation.
Confirm the thickness basis, dimensional tolerances, coil width, edge finish, ID and net MT/coil.
Specify MTC, surface condition, quantity, delivery window, packing method and destination terms.
DX52D+Z supports selected drawing and forming applications, subject to tool geometry, coating adhesion, surface and end-use validation. For deeper drawing or structural requirements, confirm the appropriate grade and project validation.
Zinc-coated blanks for formed sheet-metal panels, where validated drawing strain and surface requirements suit DX52D.
Cold-formed equipment covers and housings combining zinc-coated steel with predictable press and bending performance.
Curved and formed HVAC fittings or transition pieces where the drawing grade may suit more demanding shapes.
Fabricated enclosures and non-safety sheet components subject to drawing verification and customer design approval.
Service-centre feedstock for stamping contractors needing defined width, edge condition, coating and batch traceability.
General industrial fabricated parts that require both zinc protection and greater drawing potential than basic profiling grades.
Include the drawing and required forming severity for material selection.
Estimate running length and kg per metre for a specified DX52D+Z steel substrate and zinc-coating mass, then use the result for planning rather than contractual net-weight certification.
Use the uncoated substrate thickness plus total two-sided zinc mass. If the purchased gauge is a finished coated thickness, first establish the steel-only thickness to avoid double counting.
Steel kg/m = substrate thickness(mm) × width(mm) × 0.00785. Zinc kg/m = total zinc(g/m²) × width(mm) / 1,000,000. Estimated length(m) = net coil mass(kg) / total kg/m.
Preliminary planning estimate using steel density of 7,850 kg/m³ and nominal zinc coating mass. Actual tolerances, measured thickness, packaging and net coil weighing can differ.
A typical supply route includes drawing-quality steel strip preparation, continuous galvanizing, surface finishing and inspection. Final processing capability depends on the confirmed order and manufacturing allocation.
Prepare steel strip to meet the agreed forming-grade composition, gauge and test requirements.
Apply the zinc coating to the ordered class with appropriate coating control and monitoring.
Arrange skin-pass and temporary protection where specified for forming, appearance and shipment.
Check relevant dimensions, coating and mechanical records against the agreed contract.
Share your part drawing and deformation requirements before finalizing the coil grade, zinc class or skin-pass condition. Inspection scope is agreed with the mill and shipment arrangements.
Select coated coil against a complete production specification. Our steel supply team coordinates material requirements, testing documents and export order details with the quoted delivery arrangement.
Reported 8 million MT annual steel production across the overall business; DX52D+Z supply is confirmed per specification.
Review drawing severity, surface category and zinc mass together to support repeatable downstream processing.
Coordinate the required chemical, mechanical and coating test documentation for the contracted grade.
Confirm coil ID, net weights, protective packing and handling limitations for the intended route.
Request related processing with the main quotation. Feasibility, yield, edge conditions, tolerances and order cost depend on the gauge, coating and specified delivery route.
Define finished slit width, edge burr allowance, coil ID and winding direction for automatic press-line feeding.
Request blank sizes, flatness and surface protection suited to the drawing or stamping operation.
Coordinate edge condition, width tolerance, coating and packaging for downstream die stamping.
Attach your processing schedule, cut drawings and part tolerance requirements.
Mechanical properties and coating requirements should match the order edition and the intended forming process; plan the relevant tests before shipment.
Drawing applications can be sensitive to thickness variation, yield behavior, zinc surface quality and coil-edge defects. Put the required acceptance tests into the purchase specification.
Allow time to confirm the specific drawing-quality grade, coating mass and test requirements. Inventory and production availability depend on the exact requested coil specifications.
Coil supply is verified against the ordered drawing grade, thickness, zinc class, finish and total tonnage. The company-wide inventory figure does not represent guaranteed DX52D+Z stock.
Draw-quality galvanized coils are shipped according to the confirmed size, quantity, route and handling constraints. Packing and surface-treatment requirements should be stated in the RFQ.
Confirm packing by the net coil weight, storage conditions and unloading equipment. Zinc surfaces require appropriate moisture management and handling protection during international transit.
Compare DX52D drawing quality with DX51D profiling quality, or explore sheet, Galvalume and prepainted coil families for a different project requirement.
Practical answers on drawing quality, mechanical conditions, zinc coatings, dimensional requirements and export procurement.
DX52D designates a low-carbon drawing-quality steel, and +Z identifies hot-dip zinc coating. The zinc mass class, dimensions, surface and test conditions are additional order items.
DX51D is primarily a bending and profiling grade, whereas DX52D is classified for drawing. Select with the part geometry, measured properties and agreed standard.
DX52D is a drawing grade. DX53D is categorized as a deep-drawing grade; more demanding parts may require a higher forming designation and trial validation.
Published DX52D producer values often quote 140–300 MPa for particular skin-passed surface classes. Surface quality A can have a different upper limit; use the relevant edition and inspection conditions.
Published transverse EN 10346 producer references show 270–420 MPa. Confirm whether these values apply to the product condition, thickness and contract edition.
Yes. Common DX52D manufacturer guidance quotes A80 minima of 22%, 24% and 26% for successive thin-to-thicker gauge groups. Specify the thickness, test specimen and order conditions.
Z275 designates a minimum 275 g/m² total zinc mass across both sides for the applicable EN coating test, not 275 g/m² on each side.
Slitting and cut-to-length can be considered when you provide the steel gauge, zinc class, slit width, edge requirement and packaging. Feasibility is confirmed by quotation.
The surface quality category relates to appearance and processing expectations. DX52D yield-strength limits can also depend on skin-pass or surface class; confirm the specific wording in the ordered edition.
It is a drawing-quality coated steel for selected stamped parts, subject to tooling geometry, strain, surface, coating adhesion and any project-specific forming trial.
Yes. Input the uncoated substrate thickness and total two-sided zinc mass. Using already-coated thickness without adjustment would count zinc twice.
Send EN 10346 edition, drawing-grade requirement, zinc mass, thickness basis, width, coil ID and net mass, surface condition, MTC scope, total tonnage and destination.
Send your DX52D+Z grade and EN 10346 edition, zinc-mass class, surface quality, base steel thickness, width, coil ID, target mass, quantity, forming requirement, inspection documents and destination. Attach forming drawings when available.
Send your required grade, dimensions, quantity and destination. Our team will review the inquiry.