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4943 جودة مواصفات الورقة
Medium and high strength low alloyed steels suitable for cold forming for manufacture of chassis, cranes, trailers and railings in particular
البدائللا يوجد بديل لهذه الورقة.
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.
Medium and high strength low alloyed steels suitable for cold forming for manufacture of chassis, cranes, trailers and railings in particular
التركيب الكيميائي (%)
| المعيار المكافئ | رقم جودة إرديمير | Cmax. | Mnmax. | Pmax. | Smax. | Simax. | Almin. | Vmax. | Nbmax. | Timax. | |
|---|---|---|---|---|---|---|---|---|---|---|---|
| المعيار | جودة | ||||||||||
| EN 10149-2:2013 | S420MC CT A | 4943 | 0.12 | 1.60 | 0.024 | 0.015 | 0.03 | 0.02 | 0.20 | 0.09 | 0.15 |
- Categori A quality are produced as Si ≤0,03 and Si+2,5P≤0,09%
- (Nb + V + Ti) ≤ 0.22%
- The products are supplied in "thermomechanically rolled" condition
الخواص الميكانيكية
| المعيار المكافئ | رقم جودة إرديمير | Re [N/mm2] | Rm [N/mm2] | A(%) min. t(thickness, mm) | Impact | Bend (Transverse , BMD) t: thickness | |||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| المعيار | جودة | ||||||||||||
| A801.8≤t≤2.99 | A53≤t≤20 | 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≤20 | KVC J min.10≤t≤20 | 180° | |||||
| EN 10149-2:2013 | S420MC CT A | 4943 | 420 min. | 480-620 | 16 | 19 | -20 | 20 | -20 | 30 | -20 | 40 | Ø 0,5d |
- Tensile test values apply to "longitudinal" test pieces
- The impact test is carried out only when specified at the time of enquiry and order and is not carried out for thickness thinner than 6 mm.