Stainless steel
AISI 440A
1.4109
In hardened condition, this metal has an exceptional wear resistance.
Avantages
Well used for ball bearings
Medical instruments, dentals
Normes
ASTM F899
Formes disponibles en stock
Diameter
- 2 to 50 mm
Length
- 3000 mm around
Composition chimique
Reference standard : ASTM F899
C
- 0,6% min
- 0,75% max
Si
- 0% min
- 1% max
Mn
- 0% min
- 1% max
P
- 0% min
- 0,04% max
S
- 0% min
- 0,03% max
Cr
- 16,00% min
- 18,00% max
Mo
- 0% min
- 0,75% max
Cu
- 0% min
- 0,5% max
Fe
- —
- Balance
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Caractéristiques mécaniques
Rm (Mpa) (according to diameter)
750 - 900
Rp 0,2 (Mpa)
420
Density (g/cm3)
7,75
A (%)
20
