Home > Materials > Machining Nitronic 60 (UNS S21800): Speeds & Feeds, Tooling & Best Practices Machining Nitronic 60 (UNS S21800): Speeds & Feeds, Tooling & Best Practices Technical machining guide for Nitronic 60 (UNS S21800) (Austenitic Anti-Galling Stainless): optimal cutting speeds (40 - 70 m/min), feeds (0.06 - 0.14 mm/tooth), hardness (200-240 HB), and precision manufacturing practices.
Engineering Specifications & Parameters Chip Load (fz) 0.06 - 0.14 mm/tooth Material Grade Nitronic 60 (UNS S21800) Material Hardness 200-240 HB Cutting Speed (Vc) 40 - 70 m/min Alloy Classification Austenitic Anti-Galling Stainless Primary Applications Marine valve stems, pump wear rings, and threaded fasteners ...
Material Properties & Machinability Profile
Nitronic 60 (UNS S21800) is classified as a Austenitic Anti-Galling Stainless widely specified for mission-critical components requiring Marine valve stems, pump wear rings, and threaded fasteners operating in subsea environments..
Engineering Kinematics & Cutting Parameters
Material Hardness : 200-240 HB.
Recommended Cutting Speed ($V_c$) : 40 - 70 m/min with dedicated substrate coatings.
Chip Load ($f_z$) : Maintained between 0.06 - 0.14 mm/tooth to prevent tool rubbing or excessive mechanical shock.
Machinability Challenge : Silicon-manganese addition provides superior resistance to metal-to-metal galling, fretting, and cavitational erosion.
Tooling Strategy : Employs high-pressure flood coolant (>= 30 bar) and micro-grain carbide or specialized inserts with positive rake geometries.
Explore our technical equipment capabilities in 5-Axis CNC Milling and review our standards in Precision Machining Quality Control .
Frequently Asked Questions What cutting speed is recommended for Nitronic 60 (UNS S21800)? Optimal cutting speeds range from 40 - 70 m/min depending on roughing vs finishing passes and machine tool rigidity.
How does UCAN ROBOT manage tool wear when cutting Nitronic 60 (UNS S21800)? We implement in-process tool monitoring, rigid toolholder systems, and high-pressure through-spindle coolant to dissipate cutting heat immediately.