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AISI 4718
Category Steel
Class Alloy steel
Type Standard
Common Names Nickel-chromium-molybdenum steel
Designations  Germany: DIN 1.6755
United States: ASTM A322 , ASTM A331 , ASTM A505 , SAE J404 , SAE J412 , SAE J770 , UNS G47180

Composition

ElementWeight %
C  0.16-0.21 
Mn  0.70-0.90 
Cr  0.35-0.55 
Ni  0.90-1.20 
Mo  0.30-0.40 

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
Essentials of Manufacturing

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

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.

STEM Career Outlook

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