Forlong offers all kings of material machining through the way of milling, drilling, turning and so on, Thanks to our professional technicians and advanced equipment, our each part quality will be guaranteed, you may feel assured when you choose to process all kinds of parts you need.

S4340 is a medium and low carbon alloy high-strength steel. It is a typical representative of low-alloy ultra-high strength. It has good hardenability and good strength and toughness. It has high fatigue strength and low notch sensitivity. The low-temperature impact toughness is high, and there is no obvious temper brittleness. The cnc milling stainless steel that are practical on airplanes are mainly shock absorber outer cylinders, piston rods, bushings, and other parts. If you have any questions, welcome to contact us.