Steel 1018 / 1045
High machinability, medium hardness, structural strength.
Applications: Shafts, pins, suspension brackets.
Steel 4140 / 4340
High fatigue and impact resistance after quenching and tempering.
Applications: Crankshafts, gears, connecting rods.
Stainless 304 / 316
Corrosion resistance, good weldability, high ductility.
Applications: Fuel lines, exhausts, sensor housings.
Aluminum 6061 / 7075
Lightweight, high strength-to-weight ratio, excellent machinability.
Applications: Housings, blocks, structural mounts.
PA / PP / ABS
Chemical resistance, low cost, high moldability.
Applications: Interiors, clips, covers, ducting.
PEEK
Thermal and chemical resistance, low friction coefficient.
Applications: Bushings, seals, under-hood parts.