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MACPLUS® Quick Facts
| MACPLUS® Cold Finished Steel Bars Size and Length Range |
| Rounds: |
0.875” to 5” (22 mm to 127 mm) |
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| Lengths: |
10 through 32 feet (3m to 9.75m) |
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MACPLUS® Advantages
- Seam-Free® Surface
- Decarb-Free Surface
- Defect-Free Surface
- Improved Machinability
- Tighter Size Tolerances and Concentricity
Dimensional Tolerances (All Minus)
| |
C |
C |
Any Heat Treat |
| |
to 0.28% |
0.28% to 0.55% |
and/or |
| |
Carbon/ |
Carbon/ |
C>0.55% Carbon/ |
| Size, Inches |
Alloy Inches |
Alloy Inches |
Alloy Inches |
| to 1-1/2 included |
.002/.003 |
.003/.004 |
.005/.006 |
| >1-1/2 to 2-1/2 |
.003/.004 |
.004/.005 |
.006/.007 |
| >2-1/2 to 4 |
.004/.005 |
.005/.006 |
.007/.008 |
| >4 to 5 included |
.005/.006 |
.006/.007 |
.008/.009 |
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MACPLUS® Surface Quality
| Surface Finish |
|
10 to 25 RMS |
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| Decarburization |
|
None |
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| Seam Depth |
|
None* |
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| Surface Appearance |
|
Shiny, clean |
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| Surface Detail |
|
High Surface Integrity |
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| Residual Stress, Warp Factor |
|
-0.020” to -0.030” |
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| Weight Savings per Order |
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| Carbon and Alloy |
|
6 to 8% |
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| Resulfurized |
|
9 to 11% |
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| Straightness |
Deviation from Straightness in 10 ft., in Inches |
| Length, Feet |
C <= 0.28% |
C > 0.28% and all Heat Treat |
|
| <15 |
1/16 |
1/8 |
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| 15 and Over |
1/8 |
3/16 |
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| Cost of Material Lost in Removing Seam Depth Tolerance on 2" Round |
| Grade |
MACPLUS |
(Competitive Material) |
| 1018 |
$0.00/feet |
$0.15/feet |
| 1045 |
$0.00/feet |
$0.15/feet |
| 8620 |
$0.00/feet |
$0.24/feet |
| 4140 |
$0.00/feet |
$0.28/feet |
| 1117 |
$0.00/feet |
$0.34/feet |
| * | Seam Depth Tolerance: |
0.001" per 1/16" of diameter for carbon and alloy.
0.0015" per 1/16 of diameter for resulfurized and rephosphorized. |
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