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7514 جودة مواصفات الورقة
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رموز الحروف القابلة لإعادة الإنتاج --> CCR --> CCRD --> CCRF --> CCRFS --> CCR
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. | |
|---|---|---|---|---|---|---|
| المعيار | جودة | |||||
| EN 10209:2023 | DC04ED | 7514 | 0.004 | 0.40 | 0.03 | 0.05 |
- Liquid steel is decarburized and stabilized with “Ti” under vacuum process by targeting max. 0.004 % “C” in product analysis.
- 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) | |||||
|---|---|---|---|---|---|---|---|---|---|
| المعيار | جودة | ||||||||
| 0.35≤t≤0.5 | 0.51≤t≤0.7 | 0.71≤t≤2 | A800.35≤t≤0.5 | A800.51≤t≤0.7 | A800.71≤t≤2 | ||||
| EN 10209:2023 | DC04ED | 7514 | 250 max. | 230 max. | 210 max. | 270-350 | 34 | 36 | 38 |
- Tensile test values apply to "transverse" test pieces
- 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.