Metal Alloys
Alloy Home
Steels
Alloy Steels
General Information
Properties
Classification
Standard
H-Steels
HSLA
Alloy Steel List
AISI 1xxx
AISI 2xxx
AISI 3xxx
AISI 4xxx
AISI 5xxx
AISI 6xxx
AISI 8xxx
AISI 9xxx
* For other AISI or Non-AISI, please use the search function above or check Grades.
ASTM Steels
Specific Alloy Steel
General Information
Further Details
Resources
Bibliography
Negotiate Your Salary

Learn the best principles to negotiate the salary you deserve!

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.

Selecting the Right 3D Printer

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

more free publications
 
AISI 4140
ConditionsThermal Expansion Coeff. (10-6/ºC)
T (°C)Treatment
20-100 oil hardened, tempered 600°C  12.3 
20-200 oil hardened, tempered 600°C  12.7 
20-400 oil hardened, tempered 600°C  13.7 
20-600 oil hardened, tempered 600°C  14.5 
Glossary
Negotiate Your Salary

Learn the best principles to negotiate the salary you deserve!

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.

Selecting the Right 3D Printer

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