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CNC Machining Design Guide

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Injection Molding Design Guide

Guide for high quality and cost-effective plastic injection molding.

Mechanical Engineers Outlook

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

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18-18PlusTM
Category Steel
Class Stainless steel
Type Austenitic nonstandard
Designations United States: UNS S28200, ASTM A276, ASTM A493

Composition
ElementWeight %
C  0.15 
Mn  17.0-19.0 
Si  1.00 
Cr  17.5-19.5 
P  0.045 
S  0.03 
Mo  0.5-1.5 
Cu  0.5-1.5 
N  0.4-0.6 

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  
Tensile Strength (Mpa) 825  25  annealed (wire) more
Yield Strength (Mpa) 450 
Elongation (%) 60 
Reduction in Area (%) 70 
Glossary
CNC Machining Design Guide

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

Negotiate Your Salary

Learn the best principles to negotiate the salary you deserve!

Injection Molding Design Guide

Guide for high quality and cost-effective plastic injection molding.

Mechanical Engineers Outlook

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