EN 10346
DX51D to DX58D forming grades, plus S220GD to S550GD construction grades.
Global Steel Supply & Processing
EN 10346 · JIS G 3302 · ASTM A653/A653M
Source hot-dip galvanized steel sheet for construction, HVAC, roll forming and industrial fabrication. Send your standard, zinc coating mass, thickness, width, length and quantity for a factory quotation.
DX51D to DX58D forming grades, plus S220GD to S550GD construction grades.
SGCC commercial quality, SGCD drawing qualities and selected SGC structural grades.
Commercial steel, forming steel, drawing steel and structural steel designations.
| Standard family | Representative grade designations | Typical selection focus |
|---|---|---|
| EN 10346 | DX51D+Z, DX52D+Z, DX53D+Z, DX54D+Z | Bending, profiling and drawing requirements |
| EN 10346 | S220GD+Z, S250GD+Z, S280GD+Z, S320GD+Z, S350GD+Z, S420GD+Z, S550GD+Z | Construction and defined minimum proof strength |
| JIS G 3302 | SGCC, SGCD1, SGCD2, SGCD3 | Commercial quality and drawing applications |
| JIS G 3302 | SGC340, SGC400 and other specified SGC grades | Structural galvanized sheet requirements |
| ASTM A653/A653M | CS, FS, DDS, EDDS and SS grades | Commercial, forming, drawing and structural requirements |
Grade names and acceptance values follow their own governing standard. Include the standard edition and complete grade designation in your enquiry.
Need a dedicated grade page? Start with DX51D+Z or SGCC and send your full sheet schedule.
For bending, profiling and general sheet fabrication. Specify Z coating mass and cut-sheet dimensions.
For commercial galvanized sheet orders with JIS coating classes, surface and dimensional requirements.
| Designation | Minimum total coating mass · both faces |
|---|---|
| Z100 | 100 g/m² |
| Z140 | 140 g/m² |
| Z180 | 180 g/m² |
| Z200 | 200 g/m² |
| Z225 | 225 g/m² |
| Z275 | 275 g/m² |
| Z350 | 350 g/m² |
| Z450 | 450 g/m² |
| Z600 | 600 g/m² |
| Designation | Triple-spot average minimum · both faces |
|---|---|
| Z08 | 80 g/m² |
| Z12 | 120 g/m² |
| Z18 | 180 g/m² |
| Z22 | 220 g/m² |
| Z27 | 275 g/m² |
| Z35 | 350 g/m² |
| Designation | Triple-spot average minimum · both faces |
|---|---|
| G30 | 0.30 oz/ft² |
| G40 | 0.40 oz/ft² |
| G60 | 0.60 oz/ft² |
| G90 | 0.90 oz/ft² |
| G115 | 1.15 oz/ft² |
| G140 | 1.40 oz/ft² |
Coating mass is generally expressed as total coating on both faces for the designations shown. Single-spot requirements, per-face distribution and acceptance are governed by the selected standard.
Visible zinc crystal pattern for selected mill-finish requirements.
Fine zinc surface pattern for specified appearance and fabrication needs.
Passivation, oiling, skin-pass and edge requirements can be stated in the order.
Finish and treatment symbols vary by standard. Confirm the available finish, surface quality and treatment for your selected grade and thickness.
Profiled roof sheets, wall panels, flashing and building envelope components.
Duct panels, ventilation fittings, housings and formed accessories.
Control cabinets, equipment covers, switchgear enclosures and protective panels.
Outer panels, back panels, internal covers and formed sheet parts.
Cable trays, brackets, machine covers and general sheet-metal assemblies.
Ventilation housings, storage components and formed galvanized panels.
Send your application, sheet dimensions and coating requirement for a grade and coating quotation.
| Standard | Product scope | Representative designations | Coating code format |
|---|---|---|---|
| EN 10346:2026 | Continuously hot-dip coated flat products for cold forming and construction | DX51D–DX58D; S220GD–S550GD | +Z with Z100, Z140, Z275, Z350, etc. |
| JIS G 3302:2022 | Hot-dip zinc-coated sheet, strip and corrugated sheet | SGCC, SGCD1–SGCD3, selected SGC grades | Z08, Z12, Z18, Z27, Z35, etc. |
| ASTM A653/A653M-25 | Hot-dip zinc-coated or zinc-iron alloy-coated sheet in coils and cut lengths | CS, FS, DDS, EDDS, SS and structural grades | G designations in inch-pound units; SI coating mass designations under A653M |
The three standards use their own grade symbols, coating designations and test rules. The order should state one governing standard and the exact grade/coating combination.
Flat sheets supplied to your requested length, width, coating mass and surface condition. Useful for fabrication schedules and sheet-metal production.
Coil supply for continuous processing, slitting and cut-to-length operations. Visit the dedicated Galvanized Steel Coil page.
Define the coating mass test, substrate thickness, width, length, flatness, surface condition and bend requirements for your order.
Actual annual steel production across the company product range.
Company-wide steel stock supports supply planning; grade and coating availability is confirmed per enquiry.
Industrial facilities support production coordination, quality inspection and material handling.
Production, inspection and export teams coordinate order specifications and shipment requirements.
Share your grade, coating designation, thickness, width, cut length, quantity and destination port. Our team will confirm the available supply route and delivery schedule.
Calculation uses 7,850 kg/m³ nominal steel density. Enter substrate thickness excluding the zinc layer. The entered coating mass represents both faces combined. Final delivery mass follows the agreed order and weighing basis.
Use the estimate to organize your grade and coating schedule for a quotation.
Sheet length and piece quantities matched to your production list.
Specified widths, cut edges and tolerance requirements.
Flat profiles, hole patterns and component blanks by drawing.
Send your sheet dimensions and drawings for a combined material and processing quotation.
Share your sheet bundle weight, pallet preference, edge protection and moisture-control requirements. Packing and shipment details are confirmed with the order.
Use the standard required by your project or destination market. Common options include EN 10346, JIS G 3302 and ASTM A653/A653M. State the edition and grade in your purchase request.
Provide the steel grade, coating designation, substrate thickness, width, cut length, surface finish, quantity, inspection scope and delivery destination.
EN uses Z designations such as Z275, JIS uses classes such as Z27, and ASTM uses coating designations such as G90 or SI coating mass designations. Each follows its own standard and test method.
EN grade options include DX51D, DX52D and DX53D. JIS options include SGCC and drawing-quality grades. Select the grade according to forming depth and finished-part requirements.
Yes. Include your cut length, width, quantities and any profile or hole drawings with the RFQ. The supply and processing scope will be confirmed against your specification.
Send your required grade, dimensions, quantity and destination. Our team will review the inquiry.