Cold Finish Rounds
Conforms to: ASTM
A29.
Related Specifications: A108
Chemistry: ASTM A29-Table 1
|
Grade Designation |
Heat Chemical Ranges & Limits, % |
|||
|
Carbon |
Manganese |
Phosphorus |
Sulfur |
|
|
1018 |
0.15 -0.20 |
0.60 -0.90 |
0.040 max. |
0.050 max. |
|
1045 |
0.43 -0.50 |
0.60 -0.90 |
0.040 max. |
0.050 max. |
Size Tolerances * : (Per ASTM A29, Table A1.13)
|
Size, in. “S”= diameter |
1018 |
1045 |
|
Max. of Carbon Range Under
0.28% |
Max. of Carbon Range Over
0.28% to 0.55% |
|
|
To 1, incl., in coils |
0.002 |
0.003 |
|
To 1-1/2, incl. |
0.003 |
0.004 |
|
1-1/2 to 2-1/2, incl. |
0.004 |
0.005 |
|
2-1/2 to 4, incl. |
0.005 |
0.006 |
|
4 to 6, incl. |
0.006 |
0.007 |
|
6 to 8, incl. |
0.007 |
0.008 |
|
8 to 9, incl. |
0.008 |
0.009 |
* Tolerances are minus only, all plus
tolerances are 0. These tolerances apply
to
cold drawn (to 4 in.) or turned and polished.
Straightness Tolerances ( Per ASTM A29, Table A1.14)
|
Size, in. “S” |
Length, ft. |
1018 |
1045 |
|
Max. of Carbon Range Under
0.28% |
Max. of Carbon Range Over
0.28% to 0.55% |
||
|
Less than 5/8 |
Less than 15 ft. |
1/8 |
3/16 |
|
Less than 5/8 |
15 ft. & over |
1/8 |
5/16 |
|
5/8 & over |
Less than 15 ft. |
1/16 |
1/8 |
|
5/8 & over |
15 ft. & over |
1/8 |
3/16 |
8