Material Specification (Turning-Suitable Stainless Steel)
Stainless steel grades commonly used for CNC turning:
AISI 303 – optimized machinability for complex turning
AISI 304 / 304L – general mechanical and structural parts
AISI 316 / 316L – corrosion-critical environments
AISI 301 – higher strength applications
AISI 420 – wear resistance and hardness requirements
Material selection depends on machining behavior and service conditions.
Turning Process Capability
CNC lathe turning
External and internal diameter turning
Facing and grooving
Boring operations
Thread turning (metric / imperial)
Secondary operations: drilling, tapping
Dimensional Capability
Typical diameter tolerance: ±0.01 – ±0.05 mm
Controlled concentricity and roundness
Stable length and shoulder positioning
Actual tolerance depends on part geometry and material condition.
Surface Finish Options
As-turned surface
Fine turned finish
Polished surface
Passivation (for corrosion resistance)
Black oxide
Nickel or chrome plating (on request)
Surface treatment is applied after dimensional inspection.
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