3600A Auto Truck Brake Drum For Webb BPW Volvo Benz Scania Brake Drum Information OE 3600A: 1.Metertrial:gray iron HT250/GG25=heavy truck brake drum 2.Weight:20kg-85kg 3.Chermical composition: C:3.0-3.3% Si:1.6-1.9% Mn:0.7-0.9% P: 0.12% S 0.12% 4.Mechanics performance: Main body degree of ...