



Designatio |
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1. Codex designandi |
TIA/EIA-222-G/F |
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Structura ferrea |
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2. Gradus |
Ferrum mitius |
Ferrum altius tensile |
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GB/T 700: Q235B, Q235C, Q235D |
GB/T 1591: Q345B, Q345C, Q345D |
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Astm a36 |
ASTM A572 Gr50 |
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EN 10025: S235JR, S235J0, S235J2 |
EN 10025: S355JR, S355J0, S355J2 |
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3. Velocitas venti designata |
Usque ad 250 km/h |
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4. Deflexio permittenda |
0,5–1,0 gradus ad velocitatem operationalem |
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5. Fortitudo tensionis (MPa) |
360~510 |
470~630 |
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6. Fortitudo fluxus (t ≤ 16 mm) (MPa) |
355 |
235 |
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7. Elongatio (%) |
20 |
24 |
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8. Fortitudo impactus KV (J) |
27 (20 °C) — Q235B (S235JR) |
27 (20 °C) — Q345B (S355JR) |
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27 (0°C) — Q235C (S235J0) |
27 (0°C) — Q345C (S355J0) |
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27 (−20°C) — Q235D (S235J2) |
27 (−20°C) — Q345D (S355J2) |
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Bolts et Nux |
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Gradus 9 |
Gradus 4.8, 6.8, 8.8 |
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10. Normae proprietatum mechanicarum |
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10.1 Bolts |
ISO 898-1 |
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10.2 Nux |
ISO 898-2 |
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10.3 Lavacra |
ISO 6507-1 |
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11. Normae pro Dimensionibus |
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11.1 Bullae |
DIN7990, DIN931, DIN933 |
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11.2 Nuci |
ISO4032, ISO4034 |
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11.3 Lavacra |
DIN7989, DIN127B, ISO7091 |
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Soldering |
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12. Methodus |
CO2 Arc Welding tectum & Submersum Arc Welding (SAW) |
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13. Norma |
AWS D1.1 |
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Galvanizatio |
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Norma galvanizationis sectionum ferrearum |
ISO 1461 aut ASTM A123 |
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Norma galvanizationis bullarum et nutum |
ISO 1461 aut ASTM A153 |
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