Cold Finished Hexagons
Conforms to: ASTM
A29.
Related Specifications:
Chemistry * : (Per ASTM A29, Table A1.13)
|
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 Tolerance: *
|
Size, in. “S” |
1018 |
1045 |
|
Max. of Carbon Range Under
0.28% |
Max. of Carbon Range Over
0.28% to 0.55% |
|
|
To ¾, incl. |
0.003 |
0.004 |
|
¾ to 1-1/2, incl. |
0.004 |
0.005 |
|
1-1/2 to 2-1/2, incl. |
0.005 |
0.006 |
|
2-1/2 to 3-1/8, incl. |
0.006 |
0.007 |
|
3-1/8 to 4, incl. |
0.006 |
NA |
* Tolerances are minus only, all plus tolerances are 0.
Straightness Tolerances (Per
ASTM A29, Table A1.14)
|
Size, in. “s” |
Length, ft. |
1018 |
1045 |
|
Max. of Carbon Range Under
0.28% |
Max. Carbon Range Over
0.28%-0.55% |
||
|
Less than 5/8 |
Less than 15 |
3/16 |
1/4 |
|
Less than 5/8 |
15 & over |
5/16 |
3/8 |
|
5/8 & over |
Less than 15 |
1/8 |
3/16 |
|
5/8 & over |
15 & over |
3/16 |
¼ |
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