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1311 Quality Sheet Specification
Zinc coated (galvanized) low carbon steels for cold forming
Reproducible Letter Symbols --> GZR --> GZRD --> GZR
Flat / Galvanised
Galvanized flat steel is manufactured by zinc-coating both sides of cold rolled metal by hot-dipping process. After having coated the steel surface with zinc, the coating of the interface is transformed into an alloy of iron-zinc layer through heating by induction and the galvannealed steel is produced.
Zinc coated (galvanized) low carbon steels for cold forming
Chemical Composition (%)
| Standard Equivalent | Erdemir Grade No | Cmax. | Mnmax. | Pmax. | Smax. | Simax. | Timax. | |
|---|---|---|---|---|---|---|---|---|
| Standard | Quality | |||||||
| EN 10346:2015 | DX51D+Z | 1311 | 0.18 | 1.20 | 0.12 | 0.045 | 0.50 | 0.30 |
- There are no chemical footnotes.
Mechanical Properties
| Standard Equivalent | Erdemir Grade No | Rm [N/mm2] | A(%) min. t(thickness, mm) | ||||
|---|---|---|---|---|---|---|---|
| Standard | Quality | ||||||
| A800.3≤t≤0.35 | A800.36≤t≤0.5 | A800.51≤t≤0.7 | A800.71≤t≤2 | ||||
| EN 10346:2015 | DX51D+Z | 1311 | 270-500 | 15 | 18 | 20 | 22 |
- Tensile test values apply to "transverse" test pieces
- For surface quality A, the upper value for yield strength is 360MPa.
- The mechanical properties are valid for a period of 1 months from the date on which the products are made available.