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AISI 4815
Category Steel
Class Alloy steel
Type Standard
Common Names Nickel-molybdenum steel
Designations  United States: ASTM A322 , ASTM A331 , ASTM A505 , SAE J404 , SAE J412 , SAE J770 , UNS G48150

Composition

ElementWeight %
C  0.13-0.18 
Mn  0.40-0.60 
P  0.035 (max) 
S  0.04 (max) 
Si  0.15-0.30 
Ni  3.25-3.75 
Mo  0.20-0.30 

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.

Essentials of Manufacturing

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

Mechanical Engineers Outlook

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

Metal 3D Printing Design Guide

Direct Metal Laser Sintering (DMLS) 3D printing for parts with reduced cost and little waste.