1.25" Alloy Steel Hex Bar 4140/4142-Cold Finish -Part #: 20243
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FREE MTR AVAILABLE
FULL LENGTHS
1
Dimension(s) for this product
- Across Flats: 1.25 "
Material Meets These Standard(s):
ASTM-A108(Replaced ASTM-A331)
Read More Specifications See Product Guide
Read More Specifications See Product Guide
2
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Custom Cut
3
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10-14
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[{"min":"5","max":"9","price":"87.61","dqty":"5-9","dprice":"$87.61","dsaving":"4%","isSelected":null},{"min":"10","max":"14","price":"83.00","dqty":"10-14","dprice":"$83.00","dsaving":"9%","isSelected":null},{"min":"15","max":"29","price":"78.39","dqty":"15-29","dprice":"$78.39","dsaving":"14%","isSelected":null},{"min":"30","max":"59","price":"73.78","dqty":"30-59","dprice":"$73.78","dsaving":"19%","isSelected":null},{"min":"60","max":"9999","price":"69.17","dqty":"60+","dprice":"$69.17","dsaving":"24%","isSelected":null}]
5-9
$87.61
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30-59
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[{"min":"5","max":"9","price":"119.61","dqty":"5-9","dprice":"$119.61","dsaving":"4%","isSelected":null},{"min":"10","max":"14","price":"113.31","dqty":"10-14","dprice":"$113.31","dsaving":"10%","isSelected":null},{"min":"15","max":"29","price":"107.02","dqty":"15-29","dprice":"$107.02","dsaving":"14%","isSelected":null},{"min":"30","max":"59","price":"100.72","dqty":"30-59","dprice":"$100.72","dsaving":"20%","isSelected":null},{"min":"60","max":"9999","price":"94.43","dqty":"60+","dprice":"$94.43","dsaving":"24%","isSelected":null}]
5-9
$119.61
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[{"min":"5","max":"9","price":"149.12","dqty":"5-9","dprice":"$149.12","dsaving":"5%","isSelected":null},{"min":"10","max":"14","price":"141.27","dqty":"10-14","dprice":"$141.27","dsaving":"10%","isSelected":null},{"min":"15","max":"29","price":"133.42","dqty":"15-29","dprice":"$133.42","dsaving":"15%","isSelected":null},{"min":"30","max":"59","price":"125.58","dqty":"30-59","dprice":"$125.58","dsaving":"19%","isSelected":null},{"min":"60","max":"9999","price":"117.73","dqty":"60+","dprice":"$117.73","dsaving":"24%","isSelected":null}]
5-9
$149.12
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15-29
$133.42
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30-59
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60+
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[{"min":"5","max":"9","price":"210.62","dqty":"5-9","dprice":"$210.62","dsaving":"4%","isSelected":null},{"min":"10","max":"14","price":"199.53","dqty":"10-14","dprice":"$199.53","dsaving":"10%","isSelected":null},{"min":"15","max":"29","price":"188.45","dqty":"15-29","dprice":"$188.45","dsaving":"14%","isSelected":null},{"min":"30","max":"59","price":"177.36","dqty":"30-59","dprice":"$177.36","dsaving":"20%","isSelected":null},{"min":"60","max":"9999","price":"166.28","dqty":"60+","dprice":"$166.28","dsaving":"24%","isSelected":null}]
5-9
$210.62
4%
10-14
$199.53
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15-29
$188.45
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30-59
$177.36
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60+
$166.28
24%
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[{"min":"3","max":"4","price":"262.33","dqty":"3-4","dprice":"$262.33","dsaving":"5%","isSelected":null},{"min":"5","max":"9","price":"248.53","dqty":"5-9","dprice":"$248.53","dsaving":"9%","isSelected":null},{"min":"10","max":"14","price":"234.72","dqty":"10-14","dprice":"$234.72","dsaving":"14%","isSelected":null},{"min":"15","max":"19","price":"220.91","dqty":"15-19","dprice":"$220.91","dsaving":"20%","isSelected":null},{"min":"20","max":"9999","price":"207.11","dqty":"20+","dprice":"$207.11","dsaving":"24%","isSelected":null}]
3-4
$262.33
5%
5-9
$248.53
9%
10-14
$234.72
14%
15-19
$220.91
20%
20+
$207.11
24%
Product Details, Specifications, and Technical Information
Alloy Steel Hex Bar 4140/4142 Cold Finish, also referred to as Chromoly Steel, are known for strength, resistance to fracturing, abrasion, and impact in high stress applications. 4140 and 4142 are both popular for a wide range of applications and are mechanically extremely similar, both are ductile and easily machined in the annealed state. They are commonly used for gears, shafts, spindles, fixtures, bolts, valves, sprockets, pistons, and collars in various high-stress and heavy-duty applications.
| Dimension Name | Specification |
| Max Length | 144 |
| Across Flats | 1.25 |
| Alloy | 4140 |
| Production Method | Cold Finished |
| MTR Availability | Yes |
| Full Length | true |
| Material | Alloy Steel |
| Shape | Bar-Hex |
| Custom Cut Warehouse | 1 |
Material Specifications
This material meets the following specs: ASTM -A108(Replaced ASTM-A331)
| Weight/Lineal Foot | ||
| 4.62 pounds |
Please note that this data is to be used ONLY FOR REFERENCE, NOT FOR DESIGN, and by using it,you agree that any decisions you make regarding materials for your project are at your own discretion.
| Chemistry Information: 4140 Alloy Steel | |
| Element | Percentage |
| C | 0.38 - 0.43 |
| Cr | 0.8 - 1.1 |
| Fe | 96.785 - 97.84 |
| Mn | 0.7 - 1 |
| Mo | 0.15 - 0.25 |
| P | 0.035 max |
| S | 0.04 max |
| Si | 0.15 - 0.3 |
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