3.75" OD x 0.25" Wall x 3.25" ID Alloy Steel Round Tube 4130-Cond. N Seamless -Part #: 20745
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FREE MTR AVAILABLE
FULL LENGTHS
1
Dimension(s) for this product
- Outer Diameter: 3.75 "
- Wall: 0.25 "
- Inner Diameter: 3.25 "
2
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$150.33
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[{"min":"3","max":"4","price":"142.81","dqty":"3-4","dprice":"$142.81","dsaving":"5%","isSelected":null},{"min":"5","max":"6","price":"135.30","dqty":"5-6","dprice":"$135.30","dsaving":"9%","isSelected":null},{"min":"7","max":"12","price":"127.78","dqty":"7-12","dprice":"$127.78","dsaving":"15%","isSelected":null},{"min":"13","max":"24","price":"120.26","dqty":"13-24","dprice":"$120.26","dsaving":"20%","isSelected":null},{"min":"25","max":"9999","price":"112.75","dqty":"25+","dprice":"$112.75","dsaving":"24%","isSelected":null}]
3-4
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[{"min":"3","max":"4","price":"231.14","dqty":"3-4","dprice":"$231.14","dsaving":"4%","isSelected":null},{"min":"5","max":"6","price":"218.97","dqty":"5-6","dprice":"$218.97","dsaving":"10%","isSelected":null},{"min":"7","max":"12","price":"206.81","dqty":"7-12","dprice":"$206.81","dsaving":"14%","isSelected":null},{"min":"13","max":"24","price":"194.64","dqty":"13-24","dprice":"$194.64","dsaving":"20%","isSelected":null},{"min":"25","max":"9999","price":"182.48","dqty":"25+","dprice":"$182.48","dsaving":"24%","isSelected":null}]
3-4
$231.14
4%
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$206.81
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[{"min":"3","max":"4","price":"340.39","dqty":"3-4","dprice":"$340.39","dsaving":"4%","isSelected":null},{"min":"5","max":"6","price":"322.47","dqty":"5-6","dprice":"$322.47","dsaving":"10%","isSelected":null},{"min":"7","max":"12","price":"304.56","dqty":"7-12","dprice":"$304.56","dsaving":"14%","isSelected":null},{"min":"13","max":"24","price":"286.64","dqty":"13-24","dprice":"$286.64","dsaving":"20%","isSelected":null},{"min":"25","max":"9999","price":"268.73","dqty":"25+","dprice":"$268.73","dsaving":"24%","isSelected":null}]
3-4
$340.39
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5-6
$322.47
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7-12
$304.56
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13-24
$286.64
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25+
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[{"min":"2","max":"3","price":"387.76","dqty":"2-3","dprice":"$387.76","dsaving":"5%","isSelected":null},{"min":"4","max":"5","price":"367.35","dqty":"4-5","dprice":"$367.35","dsaving":"10%","isSelected":null},{"min":"6","max":"9","price":"346.94","dqty":"6-9","dprice":"$346.94","dsaving":"15%","isSelected":null},{"min":"10","max":"19","price":"326.54","dqty":"10-19","dprice":"$326.54","dsaving":"19%","isSelected":null},{"min":"20","max":"9999","price":"306.13","dqty":"20+","dprice":"$306.13","dsaving":"24%","isSelected":null}]
2-3
$387.76
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4-5
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6-9
$346.94
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10-19
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[{"min":"2","max":"3","price":"666.73","dqty":"2-3","dprice":"$666.73","dsaving":"4%","isSelected":null},{"min":"4","max":"5","price":"631.64","dqty":"4-5","dprice":"$631.64","dsaving":"9%","isSelected":null},{"min":"6","max":"9","price":"596.55","dqty":"6-9","dprice":"$596.55","dsaving":"14%","isSelected":null},{"min":"10","max":"19","price":"561.46","dqty":"10-19","dprice":"$561.46","dsaving":"19%","isSelected":null},{"min":"20","max":"9999","price":"526.37","dqty":"20+","dprice":"$526.37","dsaving":"24%","isSelected":null}]
2-3
$666.73
4%
4-5
$631.64
9%
6-9
$596.55
14%
10-19
$561.46
19%
20+
$526.37
24%
Product Details, Specifications, and Technical Information
| Dimension Name | Specification |
| Outer Diameter | 3.75 |
| Wall | 0.25 |
| Inner Diameter | 3.25 |
| Max Length | 144 |
| Alloy | 4130 |
| Temper | Cond. N |
| Production Method | Seamless |
| MTR Availability | Yes |
| Full Length | true |
| Material | Alloy Steel |
| Shape | Tube-Round |
| Custom Cut Warehouse | 1 |
| Weight/Lineal Foot | ||
| 9.31 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.
| Mechanical Properties | |
| Property | Value |
| Density g/cm^3 | 8 |
| Elongation % in 2 in. | 26 |
| Melting Point °F | 2590 - 2660 |
| Brinell Hardness 500 kg load | 197 |
| Rockwell Hardness B Scale | 92 |
| Yield Tensile Strength KSI | 63 |
| Ultimate Tensile Strength KSI | 97 |
| Shear Strength KSI | 62 |
| Electrical Conductivity % IACS | 7 |
| Chemistry Information: 4130 Alloy Steel | |
| Element | Percentage |
| C | 0.28 - 0.33 |
| Cr | 0.8 - 1.1 |
| Fe | 97.3 - 98.22 |
| Mn | 0.4 - 0.6 |
| Mo | 0.15 - 0.25 |
| P | 0.035 max |
| Si | 0.15 - 0.35 |
| S | 0.04 max |
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