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504 جودة مواصفات الورقة
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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.
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التركيب الكيميائي (%)
| المعيار المكافئ | رقم جودة إرديمير | Cmax. | Mnmax. | Pmax. | Smax. | Timax. | |
|---|---|---|---|---|---|---|---|
| المعيار | جودة | ||||||
| EN 10209:2023 | DC04ED (MOD) | 504 | 0.02 | 0.35 | 0.02 | 0.05 | 0.30 |
- Deoxidation method of this products is fully-killed. Minimum aluminium to nitrogen ratio is 2:1.
الخواص الميكانيكية
| المعيار المكافئ | رقم جودة إرديمير | Re [N/mm2] t(thickness, mm) | Rm [N/mm2] | A(%) min. t(thickness, mm) | rort | |||||
|---|---|---|---|---|---|---|---|---|---|---|
| المعيار | جودة | |||||||||
| 0.5≤t≤0.5 | 0.51≤t≤0.7 | 0.71≤t≤2 | A800.5≤t≤0.5 | A800.51≤t≤0.7 | A800.71≤t≤2 | |||||
| EN 10209:2023 | DC04ED (MOD) | 504 | 260 max. | 240 max. | 220 max. | 270-350 | 32 | 34 | 36 | 1.5 min. |
- Tensile test values apply to "transverse" test pieces
- r (average) value applies to material with thicknesses d ≥ 0.5 mm.
- For design purposes, the lower limit of Re may be assumed to be 140 N/mm² (14.3 kg/mm²)
- Guarantee periods of absence of stretcher strains marks and mechanical properties are 6 months. The period begin on the date on which products are made available.