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4052 جودة مواصفات الورقة
Hot rolled structural steels with improved formability
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Flat / Hot Rolled
Flat steel products are obtained by heating semi-finished products with a rectangular cross-section (slab), which are produced by the continuous casting method, to a specific temperature and then rolling them, with thicknesses ranging from 1.40 to 25.40 mm and widths ranging from 700 to 2025 mm, produceed as coil or by cutting/slit-coiling flat steel products from coils.
Hot rolled structural steels with improved formability
التركيب الكيميائي (%)
| المعيار المكافئ | رقم جودة إرديمير | Cmax. | Mnmax. | Pmax. | Smax. | Simax. | Cumax. | CEmax. | |
|---|---|---|---|---|---|---|---|---|---|
| المعيار | جودة | ||||||||
| EN 10025-2:2019 | S355J2C+N CTA | 4052 | 0.20 | 1.60 | 0.025 | 0.025 | 0.03 | 0.55 | 0.45 |
- Suitable for galvanizing as "Category A". Category A contains Si ≤ 0.030% and Si+2.5P ≤ 0.090%.
- This quality is produced as "Mod" within the framework of the agreements made with the customer and may differ from the relevant standard conditions depending on the customer demand.
- Max carbon equivalent (CE) is increased by 0.01 % for Si ≤ 0.25%, and 0.02 % for Si ≤ 0.04 %
- Carbon equivalent, CEV (IIW) % = C + Mn / 6 + (Cr + Mo + V) / 5 + (Ni + Cu) / 15
- 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] t(thickness, mm) | A(%) min. t(thickness, mm) | Impact | Bend (Transverse , BMD) t: thickness | |||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| المعيار | جودة | ||||||||||||||||||||||||||||
| 1.8≤t≤16 | 16.01≤t≤22 | 1.8≤t≤2.99 | 3≤t≤22 | A801.8≤t≤2 | A802.01≤t≤2.5 | A802.51≤t≤2.99 | A53≤t≤22 | Temperature ( ° C)6≤t≤7.49 | KVC J min.6≤t≤7.49 | Temperature ( ° C)7.5≤t≤9.99 | KVC J min.7.5≤t≤9.99 | Temperature ( ° C)10≤t≤22 | KVC J min.10≤t≤22 | 90°1.8≤t≤2.5 | 90°2.51≤t≤3 | 90°3.01≤t≤4 | 90°4.01≤t≤5 | 90°5.01≤t≤6 | 90°6.01≤t≤7 | 90°7.01≤t≤8 | 90°8.01≤t≤10 | 90°10.01≤t≤12 | 90°12.01≤t≤14 | 90°14.01≤t≤16 | 90°16.01≤t≤18 | 90°18.01≤t≤20 | |||
| EN 10025-2:2019 | S355J2C+N CTA | 4052 | 355 min. | 345 min. | 510-680 | 470-630 | 14 | 15 | 16 | 20 | -20 | 14 | -20 | 21 | -20 | 27 | R 4,0 mm | R 5,0 mm | R 6,0 mm | R 8,0 mm | R 10,0 mm | R 12,0 mm | R 16,0 mm | R 20,0 mm | R 25,0 mm | R 32,0 mm | R 36,0 mm | R 45,0 mm | R 50,0 mm |
- Tensile test values apply to "transverse" test pieces
- Impact test is not carried out for thickness thinner than 6 mm.
- Produced by normalizing or rolling equivalent to normalizing, and mechanical values after normalizing are guaranteed.
- The values are applicable for bend angles ≤90o