B20

  B20

, , . , 28- 20 N/mm2. 8 mm.

. .

    25 kg ≥ 20 N/mm² . 2000 kg/m³ . 20 kg/m²/cm . 1.25 m²/ 1 C16 /20 . 11 (. 2,75 l/) 0.1 mm - 8 mm 1 = 48 = 1 200

B20-25 b2025bau 1 8.45./€4.32