Product Details, Specifications, and Technical Information
Alloy Steel Hex Bar 4340 Cold Drawn Normalized offers good strength and weldability without compromising steel abrasion or impact resistance. This material comes in the normalized condition and doesn't require further heat treatment. It is typically used in structural applications, gears, fasteners, and aircraft exteriors.
Dimension Name | Specification |
Max Length | 144 |
Across Flats | 0.5 |
Alloy | 4340 |
Temper | Normalized |
MTR Availability | Yes |
Material | Alloy Steel |
Shape | Bar-Hex |
Custom Cut Warehouse | 1 |
Weight/Lineal Foot | ||
0.74 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 |
Ultimate Tensile Strength KSI | 186 |
Yield Tensile Strength KSI | 125 |
Density g/cm^3 | 8 |
Elongation % in 2 in. | 12 |
Rockwell Hardness C Scale | 100 |
Melting Point °F | 2580 - 2650 |
Shear Strength KSI | 110 |
Brinell Hardness 3000 kg load | 363 |
Electrical Conductivity % IACS | 8 |
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 |