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6842 Quality Sheet Specification
Steels for welded gas cylinders(LPG tubes)
Reproducible Letter Symbols --> HRP --> HRPKK --> HRU --> HRUKK --> KRKK --> LP --> LPKK --> LR --> LRKK --> R --> RD --> RKK --> RP --> RPD --> RPKK --> TR --> TRK
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)
Chemical Composition (%)
| Standard Equivalent | Erdemir Grade No | Cmax. | Mnmin. | Pmax. | Smax. | Simax. | Almin. | Nmax. | Nbmax. | Timax. | |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Standard | Quality | ||||||||||
| EN 10120:2017 | P265NB | 6842 | 0.19 | 0.40 | 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.
Mechanical Properties
| Standard Equivalent | Erdemir Grade No | Re [N/mm2] | Rm [N/mm2] | A(%) min. t(thickness, mm) | ||
|---|---|---|---|---|---|---|
| Standard | Quality | |||||
| A801.39≤t≤2.99 | A53≤t≤20 | |||||
| EN 10120:2017 | P265NB | 6842 | 265 min. | 410-500 | 24 | 32 |
- Tensile test values apply to "transverse" test pieces