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7722 Quality Sheet Specification
Cold rolled bake-hardening high yield strength steel for cold forming
AlternativesThere is no alternative to this sheet.
Flat / Cold Rolled
Cold rolled coils or flat steel products are produced by rolling hot rolled flat steels without a heat treatment operation in a thickness range of 0.20 to 2.00mm. While the product’s physical properties are all homogeneous along the strip, surface flatness, width and thickness values have fulfilled expectations at the top level.
Cold rolled bake-hardening high yield strength steel for cold forming
Mechanical Properties
| Standard Equivalent | Erdemir Grade No | Re [N/mm2] | Rm [N/mm2] | A(%) min. t(thickness, mm) | n10-UE | r90 | BH2 [N/mm2] min. | |||
|---|---|---|---|---|---|---|---|---|---|---|
| Standard | Quality | |||||||||
| A800.5≤t≤0.5 | A800.51≤t≤0.7 | A800.71≤t≤2 | min. | |||||||
| EN 10268:2006+A1:2013 | HC220B | 7722 | 220-270 | 320-400 | 28 | 30 | 32 | 0.16 | 1.5 min. | 35 |
- Tensile test values apply to "transverse" test pieces
- For thicknesses > 1.2 mm special agreements must be made.
- The mechanical properties are valid for a period of 6 months from the date on which the products are made available.