Stainless steel
AISI 420A
1.4021
420A is a martensitic stainless steel with high mechanical properties and a good corrosion resistance in oxidizing environments.
Avantages
High mechanical resistance
Normes
ASTM F899
EN10088-3
Formes disponibles en stock
Diameter
- 1 mm to 30 mm
Dimensions
- 3000 mm around
Composition chimique
Reference standard : ASTM F899
C
- 0,26% min
- 0,35% max
Si
- 0% min
- 1% max
Mn
- 0% min
- 1% max
P
- 0% min
- 0,04% max
S
- 0% min
- 0,03% max
Cr
- 12% min
- 14% max
Ni
- 0% min
- 1% max
Fe
- —
- Balance
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Caractéristiques mécaniques
Rm (Mpa) according to diameter
600 - 875
Rp 0,2 (Mpa) according to quenching (QT)
450 - 600
Density (g/cm3)
7,70
A (%)
15
