Steel ETD-150 Round Bar Prices
Current ETD-150 Steel Round Bar prices by dimension, with $/lb for cross-size comparison.
ETD-150-Cold Finished Round Bar currently ranges from $3.44/lb to $3.55/lb, up 0.6% over the last 7 days.
About ETD-150|Elevated Temperature Drawn 150. LaSalle Steel's (now Niagara LaSalle) proprietary process applied to 4140-type chemistry. The '150' refers to 150 KSI minimum tensile strength. Pre-hardened to HRC 32+ with very low residual stress, so it holds size during machining and doesn't go goofy when you cut a keyway. Machinists love it. It cuts as easily as 1144 Stressproof but it's about 30% stronger. Selenium and sulfur are added to enhance machinability. The low stress means you can skip the stress-relieving step you'd normally do with 4140 pre-hard before nitriding or finish machining. Expensive (roughly 2x the cost of regular 4140) and only available in round bar. Not weldable. Compare to 4140 pre-hard (cheaper, might move during machining, needs stress relief), 1144 A311 CL-B (similar concept but lower strength), and Fatigue-Proof (even stronger ETD product at 175 KSI).
About Round Bar|The default starting stock for lathe work. It gets turned, bored, and parted into shafts, pins, bushings, spacers, and just about anything round.
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Raw Material Market Prices
2.9%30d
Steel HRC
$1,079/short ton
$0.54/lb
Hot Rolled Coil (HRC) is the benchmark for raw steel prices.
Diameter
Diameter | $/lb | $/ft | 7d |
|---|---|---|---|
| 1/2" | $3.55 | $2.37 | 0.6% |
| 5/8" | $3.51 | $3.66 | 0.6% |
| 3/4" | $3.47 | $5.21 | 0.3% |
| 7/8" | $3.45 | $7.06 | 0.6% |
| 1" | $3.45 | $9.21 | 0.6% |
| 1-1/8" | $3.45 | $11.66 | 0.6% |
| 1-1/4" | $3.44 | $14.35 | 0.6% |
| 1-3/8" | $3.44 | $17.37 | 0.6% |
| 1-1/2" | $3.44 | $20.67 | 0.6% |
| 1-3/4" | $3.44 | $28.13 | 0.6% |
| 2" | $3.44 | $36.74 | 0.6% |
| 2-1/4" | $3.44 | $46.51 | 0.6% |
| 2-1/2" | $3.44 | $57.41 | 0.6% |
| 2-7/8" | $3.44 | $75.92 | 0.6% |
| 3" | $3.44 | $82.66 | 0.6% |
| 3-1/2" | $3.44 | $112.52 | 0.6% |
16 items
Prices last updated May 2026
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