ATI 420™ Martensitic Stainless Steel


UNS S42000


The mechanical properties of ATI 420™ will vary with heat treatment. Please refer to the data sheet for specific properties.​​​


Product Documents

Documents

Product Specifications By Form

Sheet

Composition

ElementMinimum (weight %)Maximum (weight %)Typical (weight %)
Cr12.014.0 
Si 1.00 
Mn 1.00 
Ni 0.75 
Mo 0.50 
P 0.040 
S 0.030 
C0.15  
FeBalance  

Density

lb/in3g/cm3
0.2807.74

Specifications

ASTM A176

Strip

Composition

ElementMinimum (weight %)Maximum (weight %)Typical (weight %)
Cr12.014.0 
Si 1.00 
Mn 1.00 
Ni 0.75 
Mo 0.50 
P 0.040 
S 0.030 
C0.15  
FeBalance  

Density

lb/in3g/cm3
0.2807.74

Specifications

ASTM A176

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