Stress
Relieved Rounds
Conforms
to: ASTM A311.
Related
Specifications: ASTM A29
Chemistry: (Per ASTM A311, Table 1)
|
Heat
Chemical Ranges & Limits, % |
|||||||
|
UNS
Designation |
Grade |
Carbon |
Manganese |
Phosphorus |
Sulfur |
||
|
G11440 |
1144 |
0.40-0.48 |
1.35-
1.65 |
0.040
max. |
0.24
-0.33 |
||
Mechanical Requirements |
||||||
|
UNS
# |
Grade
Designation |
Diameter “s” |
Tensile
Strength Min,
ksi |
Yield
Strength Min,
ksi |
Elong.
in 2 in. |
Reduction
of Area |
|
G11440 |
1144 |
Up to 7/8, incl. |
105 |
95 |
10 |
30 |
|
7/8 to 1-1/4 |
100 |
90 |
10 |
30 |
||
|
1-1/4 to 2 |
95 |
85 |
10 |
25 |
||
|
2 to 3 |
90 |
80 |
10 |
20 |
||
|
3 to 4-1/2 |
85 |
75 |
10 |
20 |
||
Straightness Tolerances(Per ASTM A29, Table A1.14)
|
Max.
of Carbon Range, Under 0.28% |
||
|
Size,
in. |
Length,
ft. |
Rounds |
|
Less
than 5/8 |
Less
than 15 |
3/16 |
|
Less
than 5/8 |
15
& over |
5/16 |
|
5/8
& over |
Less
than 15 |
1/8 |
|
5/8
& over |
15
& over |
3/16 |
Size
Tolerance
* (Per ASTM A29, Table A1.13)
|
Size, in. “s”=
diameter |
1144 |
|
Max.
of Carbon Range Over 0.28% to 0.55% |
|
|
To
1-1/2, incl. |
0.004 |
|
Over
1-1/2 to 2-1/2, incl. |
0.005 |
|
Over
2-1/2 to 4, incl. |
0.006 |
|
Over
4 to 6, incl. |
0.007 |
|
Over
6 to 8, incl. |
0.008 |
|
Over
8 to 9, incl. |
0.009 |
*
Tolerances are minus only, all plus tolerances are 0.
11
15