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4634 Quality Sheet Specification
Hot rolled high yield strength low-alloy steels for automotive industry
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 high yield strength low-alloy steels for automotive industry
Chemical Composition (%)
| Standard Equivalent | Erdemir Grade No | Cmin. | Cmax. | Pmax. | Smax. | Crmax. | Momax. | Nimax. | Vmin. | Nbmin. | Timin. | Cumax. | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Standard | Quality | ||||||||||||
| SAE J2340-1999 | 340XF | 4634 | 0.02 | 0.13 | 0.06 | 0.015 | 0.15 | 0.06 | 0.20 | 0.005 | 0.005 | 0.005 | 0.20 |
- % Ni + % Cu + % Cr+ % Mo ≤ 0.5
- V, Nb, Ti can be added seperately or in various combinations as indicated in the table.
- V, Nb, Ti can be added seperately or in various combinations as indicated in the table.
- V, Nb, Ti can be added seperately or in various combinations as indicated in the table.
Mechanical Properties
| Standard Equivalent | Erdemir Grade No | Re [N/mm2] | A(%) min. t(thickness, mm) | ||
|---|---|---|---|---|---|
| Standard | Quality | ||||
| A502≤t≤2.49 | A502.5≤t≤16 | ||||
| SAE J2340-1999 | 340XF | 4634 | 340-440 | 23 | 25 |
- Tensile test values apply to "longitudinal" test pieces