JIS-G3302

JIS G3302 Galvanized Steel Sheet Grade Guide: SGCC to SGCE — Coating Weight, Grades, and Specifications

JIS G3302 covers hot-dip galvanized cold-rolled steel in five formability grades from SGCC to SGCE. Full guide to the Z-code coating weight system, surface treatment options, galvannealed (ZF) variant, and ASTM A653 / EN 10346 equivalents.

Galvanized vs Galvannealed vs Galvalume vs Pre-Painted: Which Coated Steel for Which Use

Four coated flat steel products — SGCC (galvanized), SGCC-ZF (galvannealed), SZACC (Galvalume), and CGCC (pre-painted) — protect steel through different mechanisms and suit different applications. Full comparison with corrosion life, cost, and application selection guide.