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7224 Quality Sheet Specification
Non ageing extra deep-drawing steel
AlternativesThere is no alternative to this sheet.
Flat / Hot Rolled
Flat steel products are obtained by heating semi-finished products with a rectangular cross-section (slab), which are produced by the continuous casting method, to a specific temperature and then rolling them, with thicknesses ranging from 1.40 to 25.40 mm and widths ranging from 700 to 2025 mm, produceed as coil or by cutting/slit-coiling flat steel products from coils.
Non ageing extra deep-drawing steel
Chemical Composition (%)
| Standard Equivalent | Erdemir Grade No | Cmax. | Mnmax. | Pmax. | Smax. | Timin. | |
|---|---|---|---|---|---|---|---|
| Standard | Quality | ||||||
| EN 10111:2008 | DD14 | 7224 | 0.08 | 0.35 | 0.025 | 0.025 | 0.01 |
- Deoxidation method of this products is fully-killed. Minimum aluminium to nitrogen ratio is 2:1.
Mechanical Properties
| Standard Equivalent | Erdemir Grade No | Re [N/mm2] | Rm [N/mm2] | A(%) min. t(thickness, mm) | |||
|---|---|---|---|---|---|---|---|
| Standard | Quality | ||||||
| A801.5≤t≤1.99 | A802≤t≤2.99 | A53≤t≤11 | |||||
| EN 10111:2008 | DD14 | 7224 | 170-290 | 380 max. | 31 | 32 | 38 |
- Tensile test values apply to "transverse" test pieces
- The mechanical properties are valid for a period of 6 months from the date on which the products are made available.
Flat / Plate
Heavy plate products are obtained by rolling semi-finished products with a rectangular cross-section (slab) produced by the continuous casting method to a specific temperature, with thicknesses ranging from 6.00 to 200.00 mm and widths ranging from 1000 to 3600 mm.
Non ageing extra deep-drawing steel
Chemical Composition (%)
| Standard Equivalent | Erdemir Grade No | Cmax. | Mnmax. | Pmax. | Smax. | Timin. | |
|---|---|---|---|---|---|---|---|
| Standard | Quality | ||||||
| EN 10111:2008 | DD14 | 7224 | 0.08 | 0.35 | 0.025 | 0.025 | 0.01 |
- Deoxidation method of this products is fully-killed. Minimum aluminium to nitrogen ratio is 2:1.
Mechanical Properties
| Standard Equivalent | Erdemir Grade No | Re [N/mm2] | Rm [N/mm2] | A(%) min. | |
|---|---|---|---|---|---|
| Standard | Quality | ||||
| A5 | |||||
| EN 10111:2008 | DD14 | 7224 | 170-290 | 380 max. | 38 |
- Tensile test values apply to "transverse" test pieces
- The mechanical properties are valid for a period of 6 months from the date on which the products are made available.