Specification
JIS G3312 Color Coated Steel Sheet
Use this page to prepare an RFQ for buyers using JIS color coated steel sheet requirements. Confirm the exact standard, grade or coating code, size list, finish, packing, certificate, and destination before quotation.
RFQ Positioning
JIS G3312 Color Coated Steel Sheet should be specified with the buyer's written standard and grade code. If an equivalent route is acceptable, it should be confirmed before quotation and certificate preparation.
Himount Steel reviews the standard, grade, finish, dimensions, inspection level, packing method, and shipment route before confirming price and lead time.
Key Ordering Points
| Standard / reference | JIS G3312 |
|---|---|
| Grade / code | Prepainted hot-dip zinc-coated steel sheet / coil as specified |
| Product family | Steel Coil & Strip |
| Main RFQ use | buyers using JIS color coated steel sheet requirements |
| Quotation notes | Himount Steel should quote from the buyer specification, not from an assumed equivalent grade. |
International Standard Notes
This page uses the buyer-facing reference `JIS G3312` and grade/code `Prepainted hot-dip zinc-coated steel sheet / coil as specified` as RFQ checkpoints. The table below helps compare common international wording without claiming automatic equivalence.
| EN reference | EN 10346 is common for galvanized and metallic-coated flat products such as DX51D+Z and coating classes like Z275. |
|---|---|
| ASTM / JIS reference | ASTM A653 is common for galvanized sheet, ASTM A792 for Al-Zn coated sheet, ASTM A755 for prepainted sheet, and JIS G3302 / G3312 may be requested in Asian projects. |
| Order check | For Z275, G90, AZ150, SGCC, DX51D, PPGI, and PPGL orders, confirm substrate, coating mass, paint system, surface finish, RAL color, and packing requirement before quotation. |
Before Quotation
- Standard to confirm: JIS G3312.
- Grade or code to confirm: Prepainted hot-dip zinc-coated steel sheet / coil as specified.
- Do not replace the project standard with an approximate equivalent without buyer approval.
- Send finish, size list, tolerance, certificate wording, and packing requirement.
Related Himount Pages
Send A Detailed Steel Inquiry
Send standard, grade, size list, quantity, finish, packing, inspection, certificate wording, and destination port. Himount Steel will check the request against the written standard and project documents.