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355 Quality Sheet Specification
Zinc coated (galvanized) structural steels
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) structural steels
Chemical Composition (%)
| Standard Equivalent | Erdemir Grade No | Cmax. | Mnmax. | Pmax. | Smax. | Nbmax. | |
|---|---|---|---|---|---|---|---|
| Standard | Quality | ||||||
| WSB-M1A215-F1 | GRADE 250 | 355 | 0.17 | 0.90 | 0.02 | 0.02 | 0.02 |
- Grade specified on the table, is produced within the framework of agreements with customers.
Mechanical Properties
| Standard Equivalent | Erdemir Grade No | Re [N/mm2] | Rm [N/mm2] | A(%) min. | |
|---|---|---|---|---|---|
| Standard | Quality | ||||
| A50 | |||||
| WSB-M1A215-F1 | GRADE 250 | 355 | 250-350 | 350 min. | 25 |
- Tensile test values apply to "longitudinal" test pieces