440C is a high-carbon stainless steel commonly used in entry-level and value-tier hair shears. Public sources (ScissorPedia steel entries, manufacturer literature, retailer specifications) describe 440C as a balanced alloy—capable of holding a respectable edge while remaining straightforward to service.
Property
Summary
Hardness window
Typically 58–60 HRC in value shears
Edge character
Firm, slightly “grabby” feel; responsive for blunt work
Corrosion profile
Stainless, but requires regular cleaning after chemical services
Typical placement
Mina, Ichiro entry kits, lower-cost Yasaka options, training shears
Why stylists use 440C
Affordability: Keeps kit costs manageable for apprentices and backup sets.
Maintenance ease: Most sharpening technicians can service 440C bevel or convex edges without specialised equipment.
Durability for blunt work: Handles scissor-over-comb and basic salon tasks when maintained properly.
Technique map
Training / apprentices: Flexible enough for learning tension control and daily care habits.
Backup shears: Smart for salons needing extra pairs during busy periods or when premium shears are in service.
Blunt cutting & sectioning: Delivers reliable bite for foundational cuts.
Maintenance expectations (public guidance)
Daily: Wipe, dry, and oil after every shift (see Maintenance hub).
Weekly: Run the drop test; adjust tension to prevent accelerated wear.
Sharpening: Plan professional service every 4–6 months under full-time use. Use the sharpening checklist to vet technicians.
All data above is drawn from publicly available references. Confirm the exact heat treatment and specifications with the manufacturer or retailer before purchasing.