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AISI Type 202
Category Steel
Class Stainless steel
Type Austenitic standard
Common Names Chromium-Manganese-Nickel steel
Designations  United States: ASTM A276 , ASTM A314 , ASTM A412 , ASTM A429 , ASTM A473 , ASTM A666 , FED QQ-S-763 , FED QQ-S-766 , FED STD-66 , SAE 30202 , SAE J405 (30202) , UNS S20200

Composition
ElementWeight %
C  0.15 
Mn  7.5-10.0 
Si  1.00 
Cr  17.0-19.0 
Ni  4.0-6.0 
P  0.06 
S  0.03 
N  0.25 

Mechanical Properties
Properties Conditions 
T (°C)Treatment
Density (×1000 kg/m3) 7.8 25  
Poisson's Ratio 0.27-0.30 25  
Elastic Modulus (GPa) 190-210 25  
Tensile Strength (Mpa) 515  25  annealed (sheet, strip) more
Yield Strength (Mpa) 275 
Elongation (%) 40 
Reduction in Area (%)  

Thermal Properties
Properties Conditions 
T (°C)Treatment
Thermal Expansion (10-6/ºC) 17.5  0-100 more  
Thermal Conductivity (W/m-K) 16.2  100 more  
Specific Heat (J/kg-K) 500  0-100   

Electric Properties
Properties Conditions 
T (°C)Treatment
Electric Resistivity (10-9W-m) 690  25   
Glossary
Selecting the Right 3D Printer

Discover how to choose the right 3D printer for your needs and the key performance attributes to consider.

STEM Career Outlook

Wages, employment opportunities, and growth projections for STEM jobs.

3D Scanners

A white paper to assist in the evaluation of 3D scanning hardware solutions.

Mechanical Engineers Outlook

Guide for those interested in becoming a mechanical engineer. Includes qualifications, pay, and job duties.