Cold Rolled 1008/1010 Steel Physical and Chemical Specifications

ASTM A1008A / A-109
Standard Specification for Steel, Strip, Carbon (.25 Maximum Percent), Cold-Rolled


ASTM Spec.
ASTM
A1008A / A-109
ASTM
A1008A / A-109
ASTM
A1008A / A-109
ASTM
A1008A / A-109
ASTM
A1008A/ A-109
Temper
Dead Soft
Commercial
Quality
Quarter Hard
Half Hard
Full Hard
Temper
5
4
3
2
1
Designation
DS Type - B
CS Type - B
     
Alloy
1008
1010
1010
1010
1010

Tensile Strength
Psi
ASTM
A-366 / A-109
ASTM
A-366 / A-109
ASTM
A-366 / A-109
ASTM
A-366 / A-109
ASTM
A-366 / A-109
Elongation
Dead Soft
Commercial
Quality
Quarter Hard
Half Hard
Full Hard
Tensile properties are based on the standard tension-test specimen for sheet metals Elongation in 2 inch. (50mm) varies with thickness of strip.

Chemistries
 
Temper No. 1, 2, 3.
Temper No. 4, 5.
Carbon, max
0.25
0.15
Manganese, max
0.9
0.9
Phosphorous, max
0.025
0.025
Sulfur, max
0.025
0.025
Nickel, max
0.2
0.2
Chromium, max
0.15
0.15
Molybdenum, max
0.06
0.06
 
Temper
Bend Test Requirement
No. 1 (hard)
Not required to make bends in any direction
No. 2 (half-hard)
Bend 90 degrees transverse around a radius equal to that of the thickness.
No. 3 (quarter-hard)
Bend 180 degrees transverse over one thickness of the strip and 90 degrees longitudinal around a radius equal to the thickness.
No. 4 (skin-rolled)
Bend flat upon itself in any direction.
No. 5 (dead-soft)
Bend flat upon itself in any direction.
 
Temper
Thickness
 
Rockwell Hardness
Under
Through
Minimum
maximum (approx.)
No. 1 - Hard
 
 
 
0.025
***
15T90
****
0.040
0.025
30T76
****
0.070
0.040
B90.0
****
0.300
0.070
B84.0
****
No. 2 (Half-Hard)
 
 
0.025
***
15T83.5
15T88.5
0.040
0.025
30T63.5
30T73.5
0.300
0.040
B70.0
B85
No. 3 Quarter-Hard
 
 
0.025
***
15T80
15T85
0.040
0.025
30T56.5
30T67
0.300
0.040
B60
B75
No. 4 Skin-Rolled
 
 
0.025
***
***
15T78.5
0.040
0.025
***
30T53
0.300
0.040
***
B55