LEAF SPRING, AIR ARM, AIR SPRING Material: 50CrVA, Spe. 100*50 Loading Capacity: 32T ISO/TS16949:2009 1.NameAir Suspension ... beam spring2.standardDIN, ASTM,JIS,BS,AS,ISO,GB,No truck ... leaf spring product which is used in heavy duty truck and trailers and light vehicles.The raw material we ... , South-America and Africa. Air Beam spring for truck