Stainless steel
Stainless steel round bar
AISI 440A 1.4109
In hardened condition, this stainless steel has an exceptional wear resistance.
Avantages
-
Well used for ball bearings
-
Medical instruments, dentals
Normes
ASTM F899
Formes disponibles
Diameter
- 2 to 50 mm
Length
- 3000 mm around
En stock
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
