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7128 جودة مواصفات الورقة
High strength steels for cold forming
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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.
High strength steels for cold forming
التركيب الكيميائي (%)
| المعيار المكافئ | رقم جودة إرديمير | Cmax. | Mnmax. | Pmax. | Smax. | Simax. | Almin. | Nbmax. | Timax. | |
|---|---|---|---|---|---|---|---|---|---|---|
| المعيار | جودة | |||||||||
| EN 10268:2006+A1:2013 | HC300 LA | 7128 | 0.12 | 1.40 | 0.03 | 0.025 | 0.50 | 0.015 | 0.09 | 0.15 |
- Nb + Ti + V + B ≤ % 0.22.
الخواص الميكانيكية
| المعيار المكافئ | رقم جودة إرديمير | Re [N/mm2] | Rm [N/mm2] | A(%) min. t(thickness, mm) | |||
|---|---|---|---|---|---|---|---|
| المعيار | جودة | ||||||
| A800.5≤t≤0.5 | A800.51≤t≤0.7 | A800.71≤t≤2 | |||||
| EN 10268:2006+A1:2013 | HC300 LA | 7128 | 300-380 | 380-480 | 19 | 21 | 24 |
- Tensile test may be applied to "Longitudinal" test pieces upon request.
- The mechanical properties are valid for a period of 6 months from the date on which the products are made available.
- Tensile test values apply to "transverse" test pieces