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AISI 5155
Category Steel
Class Alloy steel
Type Standard
Common Names Chromium steel
Designations  France: AFNOR 55 C 3
Germany: DIN 1.7176
United States: ASTM A322 , ASTM A331 , ASTM A519 , SAE J404 , SAE J412 , SAE J770 , UNS G51550

Composition

ElementWeight %
C  0.51-0.59 
Mn  0.70-0.90 
P  0.035 (max) 
S  0.04 (max) 
Si  0.15-0.30 
Cr  0.70-0.90 

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  
Glossary
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.

Essentials of Manufacturing

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

STEM Career Outlook

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