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
Salary Expectation

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

NASA Tech Briefs

Innovations developed by NASA and its industry partners in a wide array of fields.

Laser Solutions

Cost-effective laser solutions for many manufacturing problems.

Laser Focus World

Semiconductors, medical equipment, lasers, optics and aviation and aerospace.

more free magazines
 
AISI A2
Category Steel
Class Tool steel
Type Air-hardening medium-alloy cold work steel
Designations  France: AFNOR Z 100 CDV 5
Germany: DIN 1.2363
Japan: JIS SKD 12
Sweden: SS 2260
United Kingdom: B.S. BA 2
United States: ASTM A681 , FED QQ-T-570 , SAE J437 , SAE J438 , UNS T30102

Composition
ElementWeight %
C  0.95-1.05 
Mn  1.00 
Si  0.50 
Cr  4.75-5.50 
Ni  0.30 
Mo  0.90-1.40 
V  0.15-0.50 
Cu  0.25 
P  0.03 
S  0.03 

Mechanical Properties
Properties Conditions 
T (°C)Treatment
Density (×1000 kg/m3) 7.86 25  
Poisson's Ratio 0.27-0.30 25  
Elastic Modulus (GPa) 190-210 25  

Thermal Properties
Properties Conditions 
T (°C)Treatment
Thermal Expansion (10-6/ºC) 10.7  20-100 more  
Glossary