152 mm (Full Charge)

Description

Double base one perforated propellant Tubular grain, category SF3-16/1-17.5 and SF3-16/1-29 is a kind of double base propellant containing Nitrocellulose (NC), Nitroglycerine (NG), Dinitrotuloene (DNT), Dibutyl Phthalate (DBP), Centralite and wax. These propellants are used as full propelling charges for 152mm howitzer type D20. TECHNICAL SPECIFICATIONSType of propellantSF3-16/1-17.5SF3-16/1-29Length (mm)175-5290-8Hole diameter (mm)1.3-1.61.3-1.6Web thickness (mm)1.65-1.751.63-1.75Moisture (%)≤ 0.7≤ 0.7Heat of Explosion (cal/gr)765 ± 10765 ± 10Stability at 120 °C≥ 40≥ 40Heat of explosion (cal/g)765 ± 10765 ± 10Stability at 134.5 °C (min.)≥ 40≥ 40  BALLISTIC SPECIFICATIONSTotal charge (approx.)8150 grMuzzle Velocity655 m/sAverage Pressure at 15°C≤ 2350 kgf/cm²Std. Dev. of Velocity (m/s)2 m/s