Metal Alloys
Alloy Home
Steels
Carbon Steels
General Information
Properties
Classification
Low-Carbon
Medium-Carbon
High-Carbon
Other Grades
Resulfurized
High-Mn
H-Steels
Carbon Steel List
AISI 10xx
AISI 11xx
AISI 12xx
AISI 15xx
ASTM Steels
Specific Carbon Stl.
General Information
Resources
Bibliography
Negotiate Your Salary

Learn the best principles to negotiate the salary you deserve!

Reinforced Plastics

Informed and impartial coverage on the global composites industry.

Machine Design

How-to, in-depth technical articles for machine design engineers

3D Scanners

A white paper to assist in the evaluation of 3D scanning hardware solutions.

more free magazines
 
AISI 15B21H
Category Steel
Class Carbon steel
Type H-steel
Common Names Boron steel
Designations United States: UNS H15211

Composition
ElementWeight %
C  0.17-0.24 
Mn  0.70-1.20 
P  0.04 (max) 
S  0.05 (max) 
Si  0.15-0.30 
B  0.0005-0.003 

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