Suspension spring
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A suspension spring serves two purposes. It acts as a buffer between the suspension and frame to absorb vertical wheel and suspension movement without passing it on to the frame. Each spring transfers part of the vehicle weight to the suspension component it rests on, which transfers it to the wheels. All springs give way to absorb the vertical force of the moving wheel during jounce, then release that force during rebound as they return to their original shape and position. Leaf springs flatten, coil and air springs compress, and torsion bars twist.
Spring Materials
Most are made of a tempered steel alloy known as spring steel, usually chrome silicon or chrome-vanadium alloy. Tempering is controlled heating and cooling metal to increase the ability of the metal to return to, or spring back to, its original shape after being twisted or compressed.
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A suspension spring serves two purposes. It acts as a buffer between the suspension and frame to absorb vertical wheel and suspension movement without passing it on to the frame. Each spring transfers part of the vehicle weight to the suspension component it rests on, which transfers it to the wheels. All springs give way to absorb the vertical force of the moving wheel during jounce, then release that force during rebound as they return to their original shape and position. Leaf springs flatten, coil and air springs compress, and torsion bars twist.
Spring Materials
Most are made of a tempered steel alloy known as spring steel, usually chrome silicon or chrome-vanadium alloy. Tempering is controlled heating and cooling metal to increase the ability of the metal to return to, or spring back to, its original shape after being twisted or compressed.
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