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AISI Type 440A
Conditions Tensile Properties 
T (°C)Treatment
25 annealed (bar)  Tensile Strength (MPa) 725 
Yield Strength (MPa) 415 
Elongation (%) 20 
Reduction in Area (%)  
25 annealed, cold finished (wire)  Tensile Strength (MPa) 965 
Yield Strength (MPa)  
Elongation (%)  
Reduction in Area (%)  
25 tempered at 315°C (bar)  Tensile Strength (MPa) 1790 
Yield Strength (MPa) 1650 
Elongation (%)
Reduction in Area (%) 20 
Glossary
STEM Career Outlook

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

Mechanical Engineers Outlook

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

Essentials of Manufacturing

Information, coverage of important developments and expert commentary in manufacturing.

Selecting the Right 3D Printer

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