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AISI Type 635
Category Steel
Class Stainless steel
Type Precipitation-hardening nonstandard
Common Names Chromium steel
Designations United States: UNS S17600

Composition
ElementWeight %
C  0.08 
Mn  1.00 
Si  1.00 
Cr  16.0-17.5 
Ni  6.0-7.5 
P  0.04 
S  0.03 
Al  0.4 
Ti  0.4-1.2 

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  
Tensile Strength (Mpa) 1240  25  H1000 (bar, plate, sheet, strip) more
Yield Strength (Mpa) 1100 
Elongation (%)
Reduction in Area (%) 30 
Glossary