1.25" Alloy Steel Round Bar 4340-Annealed Hot Rolled -Part #: 25267
FREE MTR AVAILABLE
FULL LENGTHS
1
Dimension(s) for this product
- Diameter: 1.25"
We carry 41 additional available dimensions
for
Alloy Steel Round Bar 4340
Material Meets These Standard(s):
ASTM-A322,
AMS-6415,
AMS-6484(call for availability),
ASTM-A29
Read More Specifications See Product Guide
Read More Specifications See Product Guide
2
Select length below or Custom Cut
3
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QTY
$36.49
ea.
$36.49
for
1
OVERVIEW SPECIFICATIONS AND TECHNICAL INFORMATION
Alloy Steel Round Bar 4340 Annealed Rough Turned has high strength, toughness, wear resistance, and fatigue strength. It can be machined in all states other than hardened and it is easily welded. Additionally, 4340 can be cold worked easily. It is typically used in military aircraft, automotive systems, hydraulic parts, machine tools, and a steel crankshafts.
Dimension Name |
Specification |
| Alloy | 4340 |
| Temper | Annealed |
| Production Method | Hot Rolled |
| Diameter | 1.25 |
| Max Length | 144 |
| MTR Availability | Yes |
| Full Length | true |
| Material | Alloy Steel |
| Shape | Bar-Round |
| Custom Cut Warehouse | 1 |
Material Specifications
This material meets the following specs: ASTM -A322, AMS -6415, AMS -6484(call for availability), ASTM -A29
Weight/Lineal Foot |
||
| 4.17 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 |
| Brinell Hardness 500 kg load | 217 |
| Rockwell Hardness B Scale | 95 |
| Elongation Typical % | 22 |
| Density g/cm^3 | 7 |
| Melting Point °F | 2580 - 2650 |
| Modulus of Elasticity KSI x 10^3 | 27 |
| Reduction of Area % | 50 |
| Specific Heat BTU/lb-°F (32-212F) | 1 |
| Thermal Conductivity BTU-in/hr-ft^2-°F | 309 |
| Tensile Strength KSI | 108 |
| Yield Strength KSI | 68 |
| Shear Strength KSI | 63 |
Chemistry Information: 4340 Alloy Steel |
|
| Element | Percentage |
| C | 0.37 - 0.43 |
| Cr | 0.8 |
| Fe | 96 |
| Mn | 0.7 |
| Ni | 1.83 |
| P | 0.035 max |
| S | 0.04 max |
| Si | 0.23 |
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