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6424 Quality Sheet Specification
Low-carbon unalloyed mild steels for cold reducing with the obligation of batch annealing
Reproducible Letter Symbols --> BCKK --> HCKK --> TCK
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.
Low-carbon unalloyed mild steels for cold reducing with the obligation of batch annealing
Chemical Composition (%)
| Standard Equivalent | Erdemir Grade No | Cmax. | Mnmax. | Pmax. | Smax. | Simax. | Almin. | |
|---|---|---|---|---|---|---|---|---|
| Standard | Quality | |||||||
| DIN 1614-1:1986 | St24 | 6424 | 0.06 | 0.30 | 0.02 | 0.02 | 0.03 | 0.02 |
- Cu + Ni + Cr + Mo ≤ 0.25 %
- Mechanical test is not carried out.
- Suitable for batch annealing after cold reducing.