AISI 1008 Steel (UNS G10080)

Description

AISI 1008 is a low-carbon steel containing approximately 0.40% manganese that has excellent weldability and formability.  AISI 1008 carbon steel is primarily used in extruded, cold headed, cold upset, and cold pressed parts and forms.  AISI 1008 in the cold rolled condition is used for exposed or unexposed parts where bending, moderate drawing, forming and welding may be involved. This steel may normally be welded without special precautions using any of the standard arc or resistance welding processes.  AISI 1008 is used in home appliances, furniture, and automotive applications.

Chemical Composition
Chemical Composition (wt%) limits of AISI 1008*
Element AISI 1008
Carbon 0.10
Manganese 0.30-0.50
Phosphorus 0.030
Sulfur 0.050
* Maximum, unless range is indicated
Hardness Requirements
Hardness requirements for ASTM A109 tempers
Temper

Thickness(inch)

Rockwell Hardness
Under Through Min. Max.
No. 1 (hard) 0.025
0.040
0.070
0.300
-
0.025
0.040
0.070
15T90
30T76
B90.0
B84.0
-
-
-
-
No. 2 (1/2 hard) 0.025
0.040
0.300
-
0.025
0.040
15T83.5
30T63.5
B70.0
15T88.5
30T73.5
B85
No. 3 (1/4 hard) 0.025
0.040
0.300
-
0.025
0.040
15T80
30T56.5
B60
15T85
30T67
B75
No. 4 (skin-rolled) 0.025
0.040
0.300
-
0.025
0.040
  15T82
30T60
B65
No. 5 (dead soft) 0.025
0.040
0.300
-
0.025
0.040
  15T78.5
30T53
B55
Physical Properties
Physical properties for AISI 1008 steel
Property AISI 1008 Data
Density, lb/in3 0.284
Modulus of Elasticity, psi 29 x 106
Coefficient of Thermal Expansion, 68-212˚F, /˚F 7.0 x 10-6
Thermal Conductivity, Btu/ft hr ˚F 37.7
Specific Heat, Btu/lb ˚F 0.12
Electrical Resistivity, Microohm-in 5.59
Standards
Typical standards for AISI 1008 steel
AISI 1008
ASTM A109

Data are typical, are provided for informational purposes, and should not be construed as maximum or minimum values for specification or for final design, or for a particular use or application. The data may be revised anytime without notice. We make no representation or warranty as to its accuracy and assume no duty to update. Actual data on any particular product or material may vary from those shown herein.  © 2014 RMP Inc. All rights reserved.