41L40 Cold Drawn Steel Bar
Cold drawn 41L40 steel bar is a medium carbon, chromium-molybdenum steel with a lead addition. This material has the ability to perform with the high strength of 4140, with the added machinability from lead and cold drawing. It has high hardenability, high wear resistance, and good toughness. The addition of lead in this grade improves machinability. Eaton Steel Bar Company stocks many diameters of 41L40 cold drawn steel to meet the market demands. 41L40 can be heat treated and annealed.
41L40 Cold Drawn Steel Bar Applications
Typical applications for this grade of steel include:
- High temperature bolts
- Hydraulic machinery shafts
- Tractors
- Trailer axles
- Spindles
Requirements
Eaton Steel Bar Company can meet the following specifications for this grade:
- ASTM A108
- ASTM A322
41L40 Cold Drawn Steel Bar Shapes and Sizes
Eaton Steel Bar Company supplies 41L40 cold drawn steel bar in a variety of sizes ranging from – 1 ½”-4”. The shapes available for this grade include:
***Minimum Total Quantity Per Order is 10,000 lbs.***
Standard "41L40 Grade" Chemical Composition
| Carbon | 0.38-0.43 |
| Manganese | 0.75-1.00 |
| Phosphorus (max) | 0.035 |
| Sulfur (max) | 0.040 |
| Silicon | 0.15-0.35 |
| Chromium | 0.80-1.10 |
| Molybdenum | 0.15-0.25 |
| Lead | 0.15-0.35 |
Estimated Mechanical Property Ranges for "Grade 41L40 Annealed"
| Tensile strength (psi) | 95,000 - 105,000 |
| Yield strength (psi) | 85,000 - 95,000 |
| Elongation in 2" (%) | 15 - 25 |
| Reduction of area (%) | 50 - 60 |
| Brinell Hardness (BHN) | 200 - 230 |
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