China 5160h Hot Rolled Steel Flats for Truck Leaf Spring Some results are removed in response to a notice of local law requirement.For more information,please see here.12345Nexttrucks leaftrucks leafHeat Treatment of Spring Steels Metallurgy

Normally,the steel could be used up to 25 mm thickness for flat products and 35 mm diameter for round products.Forging of the steel starts at 1050°C to,finish at 850°.Hot forming to require spring shape is done at 900-820°C,and then sub-critically annealed at 640 to 700°C to have a hardness of 225 BHN.

trucks leaftrucks leafSpring Steel-China Spring Steel Manufacturers Suppliers

China Spring Steel ,page1.