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AISI Type 329
Category Steel
Class Stainless steel
Type Austenitic standard
Common Names Chromium-Nickel steel
Designations  United States: ASME SA268 , ASTM A268 , ASTM A511 , SAE 30329 , UNS S32900

Composition
ElementWeight %
C  0.10 
Mn  2.00 
Si  1.00 
Cr  25.0-30.0 
Ni  3.0-6.0 
P  0.045 
S  0.03 
Mo  1.0-2.0 

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) 724  25  annealed (bar) 
Yield Strength (Mpa) 550 
Elongation (%) 25 
Reduction in Area (%) 50 

Thermal Properties
Properties Conditions 
T (°C)Treatment
Specific Heat (J/kg-K) 460  0-100   

Electric Properties
Properties Conditions 
T (°C)Treatment
Electric Resistivity (10-9W-m) 750  25   
Glossary
CNC Machining Design Guide

Optimize your designs, reduce machining time, and lower your costs.

Salary Expectation

8 things to know about the interview question "What's your salary expectation"?

Negotiate Your Salary

Learn the best principles to negotiate the salary you deserve!

Selecting the Right 3D Printer

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