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6850 جودة مواصفات الورقة
High strength steel for manufacture of boilers, pressure vessels and dam penstocks
رموز الحروف القابلة لإعادة الإنتاج --> HRUKK --> KRKK --> L --> LKK --> LRKK --> RKK
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.
High strength steel for manufacture of boilers, pressure vessels and dam penstocks
التركيب الكيميائي (%)
| المعيار المكافئ | رقم جودة إرديمير | Cmax. | Mnmin. | Mnmax. | Pmax. | Smax. | Simin. | Simax. | Almin. | Crmax. | Momax. | Nimax. | Cumax. | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| المعيار | جودة | |||||||||||||
| LR-P2-13 | 490 FG | 6850 | 0.20 | 0.90 | 1.60 | 0.035 | 0.035 | 0.10 | 0.50 | 0.018 | 0.25 | 0.10 | 0.30 | 0.30 |
- Cu + Ni + Cr + Mo ≤ 0.70 %
- Niobium, vanadium or other suitable grain refining elements may be used either in place of or in addition to aluminium.
الخواص الميكانيكية
| المعيار المكافئ | رقم جودة إرديمير | Re [N/mm2] | Rm [N/mm2] | A(%) min. | |
|---|---|---|---|---|---|
| المعيار | جودة | ||||
| A5 | |||||
| LR-P2-13 | 490 FG | 6850 | 315 min. | 490-610 | 21 |
- Tensile test values apply to "transverse" test pieces
- The tensile test for proof strength at elevated temperature is carried out on request.
Flat / Plate
Heavy plate products are obtained by rolling semi-finished products with a rectangular cross-section (slab) produced by the continuous casting method to a specific temperature, with thicknesses ranging from 6.00 to 200.00 mm and widths ranging from 1000 to 3600 mm.
High strength steel for manufacture of boilers, pressure vessels and dam penstocks
التركيب الكيميائي (%)
| المعيار المكافئ | رقم جودة إرديمير | السماكة (مم) | Cmax. | Mnmin. | Mnmax. | Pmax. | Smax. | Simin. | Simax. | Almin. | Crmax. | Momax. | Nimax. | Cumax. | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| المعيار | جودة | ||||||||||||||
| LR-P2-13 | 490 FG | 6850 | 6≤t≤30 | 0.20 | 0.90 | 1.60 | 0.035 | 0.035 | 0.10 | 0.50 | 0.018 | 0.25 | 0.10 | 0.30 | 0.30 |
| LR-P2-13 | 490 FG | 6850 | 30.01≤t≤60 | 0.22 | 0.90 | 1.60 | 0.035 | 0.035 | 0.10 | 0.50 | 0.018 | 0.25 | 0.10 | 0.30 | 0.30 |
- Cu + Ni + Cr + Mo ≤ 0.70 %
- Niobium, vanadium or other suitable grain refining elements may be used either in place of or in addition to aluminium.
- C = 0.22 % max. for thickness greater than 30 mm,
الخواص الميكانيكية
| المعيار المكافئ | رقم جودة إرديمير | Re [N/mm2] t(thickness, mm) | Rm [N/mm2] | A(%) min. | ||
|---|---|---|---|---|---|---|
| المعيار | جودة | |||||
| 6≤t≤40 | 40.01≤t≤60 | A5 | ||||
| LR-P2-13 | 490 FG | 6850 | 315 min. | 305 min. | 490-610 | 21 |
- Tensile test values apply to "transverse" test pieces
- The tensile test for proof strength at elevated temperature is carried out on request.