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7315 جودة مواصفات الورقة
Ultra deep-drawing and non-aging steels for automotive industry
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.
Ultra deep-drawing and non-aging steels for automotive industry
التركيب الكيميائي (%)
| المعيار المكافئ | رقم جودة إرديمير | Cmax. | Mnmax. | Pmax. | Smax. | |
|---|---|---|---|---|---|---|
| المعيار | جودة | |||||
| EN 10130:2006 | DC05 | 7315 | 0.06 | 0.35 | 0.025 | 0.025 |
- Suitable for spot welding.
- 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) | n90 | r90 | |||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| المعيار | جودة | ||||||||||
| 0.5≤t≤0.5 | 0.51≤t≤0.71 | 0.71≤t≤2 | A800.5≤t≤0.5 | A800.51≤t≤0.7 | A800.71≤t≤2 | min. | |||||
| EN 10130:2006 | DC05 | 7315 | 220 max. | 200 max. | 180 max. | 270-330 | 36 | 38 | 40 | 0.2 | 1.9 min. |
- Tensile test values apply to "transverse" test pieces
- The value of r90 only apply to products of thickness d ≥ 0.5 mm.
- The value of n90 only apply to products of thickness 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.