... as 304L, 316L (2) corrosion-resistant (3) less machining process (4)non-standard parts Product details:(1)Material: Steel ... Cast Iron, Aluminum, Brass, Copper, Nylon, ABS.(2)Process: CNC Machining, milling, boring, lathing, drilling, tapping, cutting, hobbling, grinding(3 ... plating, nickel plating, Atomization etc.(4)they are usually used in high corrosion environment, such as sewage treatment system, ...