Metal Alloys
Alloy Home
Steels
Tool Steels
General Information
Properties
Tool Steel Types
High-Speed
Hot-Work
Cold-Work
Shock-Resistant
Mold
Special-Purpose
Water-Hardening
Tool Steel List
AISI Ax
AISI Dx
AISI Hx
AISI Lx
AISI Mx
AISI Ox
AISI Px
AISI Sx
AISI Tx
AISI Wx
Specific Tool Steel
General Information
Resources
Bibliography
CNC Machining Design Guide

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

Metal 3D Printing Design Guide

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

Essentials of Manufacturing

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

Salary Expectation

8 things to know about the interview question "What's your salary expectation"?

more free publications
 
AISI O6
Category Steel
Class Tool steel
Type Oil-hardening cold work steel
Designations  United States: ASTM A681 , FED QQ-T-570 , SAE J437 , SAE J438 , UNS T31506

Composition
ElementWeight %
C  1.25-1.55 
Mn  0.30-1.10 
Si  0.55-1.50 
Cr  0.30 
Ni  0.30 
Mo  0.20-0.30 
Cu  0.25 
P  0.03 
S  0.03 

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.

Metal 3D Printing Design Guide

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

Essentials of Manufacturing

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

Salary Expectation

8 things to know about the interview question "What's your salary expectation"?