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SAE 945A
Category Steel
Class Alloy steel
Type HSLA (High-Strength Low-Alloy) steel

Composition

ElementWeight %
C  0.15 
Mn  1.00 
P  0.04 
S  0.05 
Si  0.90 

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) 450  25  (sheet and strip, plate, shapes and bar to 13 mm) more
Yield Strength (Mpa) 310 
Elongation (%) 22 
Reduction in Area (%)  
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3D Scanners

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

Negotiate Your Salary

Learn the best principles to negotiate the salary you deserve!

Mechanical Engineers Outlook

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

Selecting the Right 3D Printer

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