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6837 جودة مواصفات الورقة
Steels for welded gas cylinders(LPG tubes)
رموز الحروف القابلة لإعادة الإنتاج --> HRP --> HRPKK --> HRU --> HRUKK --> KRKK --> LP --> LPKK --> LR --> LRKK --> R --> RD --> RKK --> RPD --> RPKK --> THRU --> TR --> TRKK --> TRP
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.
Steels for welded gas cylinders(LPG tubes)
التركيب الكيميائي (%)
| المعيار المكافئ | رقم جودة إرديمير | Cmax. | Mnmin. | Pmax. | Smax. | Simax. | Almin. | Nmax. | Nbmax. | Timax. | |
|---|---|---|---|---|---|---|---|---|---|---|---|
| المعيار | جودة | ||||||||||
| EN 10120:2017 | P245NB | 6837 | 0.16 | 0.30 | 0.025 | 0.015 | 0.25 | 0.02 | 90.00 | 0.05 | 0.03 |
- If (Al / N) % ≥ 2.2 or if Nb and/or Ti additions are applied, the nitrogen content may be 0.012 % max .
- This standard is equivalent to the 'NF EN 10120' standard that substitutes BS1, BS2, BS3, BS4 grades.
الخواص الميكانيكية
| المعيار المكافئ | رقم جودة إرديمير | Re [N/mm2] | Rm [N/mm2] | A(%) min. t(thickness, mm) | ||
|---|---|---|---|---|---|---|
| المعيار | جودة | |||||
| A801.39≤t≤2.99 | A53≤t≤22 | |||||
| EN 10120:2017 | P245NB | 6837 | 245 min. | 360-450 | 26 | 34 |
- Tensile test values apply to "transverse" test pieces