CarTech 303 Project 70+ Stainless is an improved-machining version of CarTech No. 8 (Type 303) stainless, the first chrome-nickel, free-machining stainless steel ever produced.

CarTech 303 Project 70+ Stainless meets most standard industry and government specifications for Type 303.

Customers may be able to attain average machining speed improvements of 50% and higher over stainless AISI Type 303. CarTech 303 Project 70+ Stainless has reduced tool wear and increased machine speeds and feeds to help improve productivity and reduce part costs. It is a good general purpose product for simple as well as complex parts at a wide range of machining speeds.

CarTech 303 Project 70+ PDB® stainless combines the superior machinability of CarTech Project 70+ stainless with improved straightness and half-standard dimensional tolerances. This precision drawn bar has been used successfully in a variety of machining operations including CNC Swiss-type screw machines.

Applications:
CarTech 303 Project 70+ Stainless may be considered for use in applications such as shafts, valve bodies, valves, valve trim, and fittings. This steel possesses nongalling properties that make disassembly of parts easy and help to avoid scratching or galling in moving parts. It is not recommended for vessels containing gases or liquids under high pressures.