4515Q brake shoe information:
OEM No.152.05.533
Specification: Φ419x177.8mm,with 32 rivets.
Weight:  5.288 KG      
Material:high quality carbon steel
Heat treatment:Induction quenching
Hardness:HRC35-45
Surface treatment:Electrophoresis Coating
Characteristics:Strong corrosive,resistance and excellect braking performance.
Packing: fumigation-free pallet or carton
Process:Steel--plate--Punching--Milling--Welding--Drilling--Induction quenching--Electrophoresis coating--Inspcetion--Restriking--Packing.

Feature:
Weld detail:Carbon Dioxide Gas Arc Welding to guarantee strength,no cracked or weakened welds,no distortion of the shoe webs.
Cam and anchor detail:
Induction hardended cam and anchor for long term durability and life.Hardness up to HRC35-45.No wear to the pin recess prevents lateral movement.
Shoe platform detail:
No corrosion or distortion to the shoe platorm provides optimum lining security and geometric operation helping reduce brake noise.
Rivet hole detail:
No damage,elongation or ovality of the rivet hole reducing the risk of loose rivets due to bad fitting.