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Roll-formed roofing panels and building sheets.
Global Steel Supply & Processing
JIS G 3321:2022 · 55% Al-Zn Coating · AZ90 / AZ120 / AZ150 / AZ170
Tell us the JIS coating designation, sheet dimensions and surface condition for an accurate bulk quotation.
| Purchase parameter | Specification |
|---|---|
| Steel grade | SGLCC — commercial-quality cold-reduced substrate |
| Product standard | JIS G 3321:2022 |
| Product form | Hot-dip 55% aluminium-zinc coated flat steel sheet |
| Coating mass | AZ90, AZ120, AZ150, AZ170; other classes by order agreement |
| Nominal coating chemistry | 55% aluminium, 43.4% zinc, 1.6% silicon by mass |
| Sheet dimensions | Specify nominal thickness × width × cut length |
| Surface | Visible metallic spangle; skin pass / passivation / anti-fingerprint as agreed |
| Delivery form | Flat sheets; cut-to-length sheets on request |
| Inspection | Coating mass, dimensional measurements, surface checks and agreed MTC |
| Packing | Sheet stacks, edge protection and export packing as specified |
Send your purchasing schedule with these details:
Availability, size range and delivery dates are confirmed to your exact order specification.
JIS AZ coating codes specify the minimum coating mass across both sides of the steel sheet. Select the class required for your project.
| JIS coating class | Minimum three-spot average (both faces) | Minimum single-spot total (both faces) | Quotation use |
|---|---|---|---|
| AZ90 | 90 g/m² | 76 g/m² | Specify as AZ90 |
| AZ120 | 120 g/m² | 102 g/m² | Specify as AZ120 |
| AZ150 | 150 g/m² | 130 g/m² | Specify as AZ150 |
| AZ170 | 170 g/m² | 145 g/m² | Specify as AZ170 |
| AZ185 | 185 g/m² | 160 g/m² | By purchase agreement |
Share a surface reference and your required flatness, edge condition or protective treatment.
Specify the visible pattern and surface quality required for your order.
Confirm nominal gauge, cut-sheet dimensions and edge condition.
Include a sample photograph or surface reference with your coated-sheet enquiry.
Define your performance, forming and testing requirements along with the material designation.
| Item | Commercial-grade SGLCC purchase basis |
|---|---|
| Strength requirements | Yield ≥205 MPa and tensile ≥270 MPa may be applied by purchaser–manufacturer agreement |
| Formability | Specify bend radius, forming direction and final profile details |
| Coating inspection | Three-spot average and single-spot coating mass as agreed |
| Thickness & flatness | State nominal dimensions and required JIS tolerances |
| Acceptance documents | Confirm MTC and test scope with the purchasing agreement |
For roll-forming and sheet-metal orders, include the final profile and intended bending direction. Your enquiry can also define protective coatings, finish appearance and inspection documents.
For commercial-grade SGLCC, specify target mechanical values in your purchase agreement and verify them through the agreed acceptance tests.
Choose sheet dimensions, AZ coating mass and surface treatment to match your forming and end-use requirements.
Roll-formed roofing panels and building sheets.
Exterior wall panels and profiled siding.
Roof edge, ridge and architectural trim parts.
Specified duct covers and sheet-metal housings.
Selected fabricated equipment covers and cabinets.
55% Al-Zn coated substrate for agreed coating systems.
Your purchase order should identify the exact standard, metallic coating and forming requirement.
| Steel product | Standard / coating | Purchasing reference |
|---|---|---|
| SGLCC Galvalume Steel Sheet | JIS G 3321 / 55% Al-Zn | JIS commercial-grade flat sheet and AZ coating designation |
| DX51D+AZ Galvalume Steel Sheet → | EN 10346 / 55% Al-Zn | EN forming-grade substrate and specified AZ class |
| SGCC Galvanized Steel Sheet → | JIS G 3302 / zinc coating | JIS general-use zinc-coated steel sheet |
Send the required JIS or EN code to keep your material quotation aligned with the drawing.
Our company-wide steel production, inventory and export coordination support your coated-sheet buying plan.
Actual annual steel output across our company product range.
Company-wide steel stock resources; request confirmation of your SGLCC grade, AZ class and size.
Specify coating weight, surface finish, sheet dimensions and material documentation.
Arrange bundle configuration, order quantities, destination port and dispatch schedule.
Include your material, coating mass and dimensional test requirements with the enquiry. Our team will confirm the applicable testing scope and documentation with your quotation.
Share your material schedule, coating classes, cut-sheet sizes and destination. We will confirm matching production or inventory supply and a shipment schedule for your order.
Calculate nominal sheet mass from substrate thickness, flat dimensions and coating mass.
Estimate uses 7,850 kg/m³ for base steel plus your entered two-sided coating mass. The coating designation expresses a minimum specification; actual measured weight and invoicing basis are confirmed with your order.
Include base-steel thickness or agreed coated thickness, width, cut length, quantity and the AZ class. Add any profile drawing or edge specification to your inquiry.
Include a cutting list or drawings for flat sheet blanks and formed parts.
Specify exact flat-sheet lengths and package quantities.
Request narrow strip widths or roll-forming details.
Provide finished shapes and hole layouts; processing method confirmed with the quote.
Send your preferred bundle quantity, stacking plan and protective packing requirements. We will coordinate the packaging and destination information for your steel order.
Explore the coating standard and product form that fit your purchasing list.