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9951 Quality Sheet Specification
Hot rolled structural steel with improved atmospheric corrosion resistance
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.
Hot rolled structural steel with improved atmospheric corrosion resistance
Chemical Composition (%)
| Standard Equivalent | Erdemir Grade No | Cmax. | Mnmin. | Mnmax. | Pmin. | Pmax. | Smax. | Simax. | Nimin. | Nimax. | Cumin. | CEmax. | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Standard | Quality | ||||||||||||
| ASTM A606-2018 | Type 4 (Mod.) | 9951 | 0.22 | 0.60 | 0.90 | 0.08 | 0.15 | 0.04 | 0.40 | 0.40 | 0.75 | 0.50 | 0.50 |
- Grade specified on the table, is produced within the framework of agreements with customers.
- Carbon equivalent, CEV (IIW) % = C + Mn / 6 + (Cr + Mo + V) / 5 + (Ni + Cu) / 15
- For each reduction of 0.01 percentage point below the specified carbon maximum, an increase of 0.06 percentage point manganese above the specified maximum is permitted, up to a maximum of 1.10%
Mechanical Properties
| Standard Equivalent | Erdemir Grade No | Re [N/mm2] | Rm [N/mm2] | A(%) min. | |
|---|---|---|---|---|---|
| Standard | Quality | ||||
| A50 | |||||
| ASTM A606-2018 | Type 4 (Mod.) | 9951 | 345 min. | 485 min. | 22 |
- Tensile test values apply to "longitudinal" test pieces