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AISI Type 503
Category Steel
Class Stainless steel
Type Martensitic standard
Common Names Chromium steel
Designations  United States: SAE 51503

Composition
ElementWeight %
C  0.15 
Mn  1.00 
Si  1.00 
Cr  6.0-8.0 
P  0.04 
S  0.04 
Mo  0.45-0.65 

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  
Glossary
Mechanical Engineers Outlook

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

Negotiate Your Salary

Learn the best principles to negotiate the salary you deserve!

CNC Machining Design Guide

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

Selecting the Right 3D Printer

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