4140 Annealed (LPA) CD Steel Bar
4140 LPA steel bar is a medium Carbon, Chromium-Molybdenum steel with high hardenability. It is characterized as having excellent toughness and is known for its ability to resist high stress and high heat working conditions. Eaton Steel Bar Company stocks many diameters of 4140 LPA cold drawn steel to meet the market demand. ASTM specifications are generally applicable for 4140 LPA steel bars.
4140 LPA Cold Drawn Steel Bar Applications
Typical applications for this grade of steel include bolts, shafts, gears, couplings and tools. Ideal for applications requiring forging
Shapes and Sizes
Eaton Steel Bar Company supplies 4140 LPA cold drawn steel bar in a variety of sizes ranging from – 5/6”-6”. The shapes available for this grade include:
Standard "4140 Annealed (LPA) Grade" Chemical Composition
Estimated Mechanical Properties for "Grade 4140 Annealed (LPA)"
|Tensile strength||95,000 psi|
|Yield strength||60,500 psi|
|Elongation in 2"||15-25%|
|Reduction of area||45-55%|