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345 Quality Sheet Specification
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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.
Chemical Composition (%)
| Standard Equivalent | Erdemir Grade No | Cmax. | Mnmax. | Pmax. | Smax. | Simax. | Almax. | Nimax. | Timax. | Cumax. | |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Standard | Quality | ||||||||||
| RNES-B-20070_2.0 | CR210IF | 345 | 0.01 | 0.90 | 0.08 | 0.025 | 0.30 | 0.01 | 0.09 | 0.12 | 0.20 |
Mechanical Properties
| Standard Equivalent | Erdemir Grade No | Re [N/mm2] | Rm [N/mm2] | A(%) min. t(thickness, mm) | n10-UE | r0 | |||
|---|---|---|---|---|---|---|---|---|---|
| Standard | Quality | ||||||||
| A800.5≤t≤0.59 | A800.6≤t≤2 | min. | 0.5≤t≤1.49 | 1.5≤t≤2 | |||||
| RNES-B-20070_2.0 | CR210IF | 345 | 210-270 | 340-440 | 31 | 33 | 0.18 | 1.1 min. | 1 min. |
- Tensile test values apply to "longitudinal" test pieces
- Mechanical properties specified in the table are guaranteed for 6 months beginning from the date on which products are made available.
- Unless otherwise agreed, n value is taken between %10-20 elongation range.