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4240 جودة مواصفات الورقة
Hot rolled unalloyed structural steels for manufacture of construction equipment, machines and various machine parts, general construction plates, road and railway vehicles
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.
Hot rolled unalloyed structural steels for manufacture of construction equipment, machines and various machine parts, general construction plates, road and railway vehicles
التركيب الكيميائي (%)
| المعيار المكافئ | رقم جودة إرديمير | Cmax. | Mnmax. | Pmax. | Smax. | Simax. | Almin. | Almax. | Crmax. | Momax. | Nimax. | Timax. | Cumax. | CEmax. | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| المعيار | جودة | ||||||||||||||
| AS NZS 1594:2002 | HA250 (MOD) | 4240 | 0.20 | 1.20 | 0.04 | 0.03 | 0.03 | 0.015 | 0.10 | 0.25 | 0.05 | 0.25 | 0.04 | 0.25 | 0.39 |
- Carbon equivalent, CEV (IIW) % = C + Mn / 6 + (Cr + Mo + V) / 5 + (Ni + Cu) / 15
- Cu+Ni+Mo max %0.60 and Nb+V max %0.03
- This grade is produced at İsdemir.
الخواص الميكانيكية
| المعيار المكافئ | رقم جودة إرديمير | Re [N/mm2] | Rm [N/mm2] | A(%) min. t(thickness, mm) | Bend (Transverse , BMD) t: thickness | |||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| المعيار | جودة | |||||||||||
| A801.39≤t≤3 | A501.39≤t≤3 | A2001.39≤t≤3 | A2003.01≤t≤22 | A803.01≤t≤22 | A503.01≤t≤22 | 180°1.39≤t≤5 | 180°5.01≤t≤22 | |||||
| AS NZS 1594:2002 | HA250 (MOD) | 4240 | 250 min. | 350 min. | 20 | 22 | 16 | 17 | 24 | 26 | Ø t | Ø 2t |
- Tensile test values apply to "longitudinal" test pieces
- A50 is shown on the test certificate within the framework of agreements with customers.