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AISI Type 303PlusX
Category Steel
Class Stainless steel
Type Austenitic nonstandard
Common Names Chromium-Nickel steel

Composition
ElementWeight %
C  0.15 
Mn  2.5-4.5 
Si  1.00 
Cr  17.0-19.0 
Ni  7.0-10.0 
P  0.2 
S  0.25 (min) 
Mo  0.6 

Mechanical Properties
Properties Conditions 
T (°C)Treatment
Density (×1000 kg/m3) 7.7-8.03 25  
Poisson's Ratio 0.27-0.30 25  
Elastic Modulus (GPa) 190-210 25  
Glossary