SAVE 20% ON METALS | USE CODE: hotrollsummer | Valid: 6/11/24 - 6/18/24  *some exclusions apply


12L14 Cold Rolled Flat Bar

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Please note: Cold Roll Flat Bar comes in 11' - 13' random lengths.

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12L14 cold rolled steel flat bars, or flat stock, are an excellent candidate for most processing techniques. 12L14 cold rolled steel flat bars have a smooth grey oiled surface with sharp defined edges, and accurate dimensions throughout. 12L14 cold roll bars have a higher tensile and yield strength compared to hot rolled bars. 12L14 is a low carbon steel with good case hardening qualities. 12L14 is used extensively in automatic screw machines for manufacturing numerous parts requiring considerable machining and close tolerances, along with a smooth finish. 12L14 can be used to maximum advantage where considerable machining is required, such as bushings, inserts, couplings, and hydraulic hose fittings. With good ductility, 12L14 is suitable for parts involving crimping, bending, or riveting. ASTM A108-07 is the standard specification for steel bar, carbon, hot-wrought, special quality.



ASTM A108-07


Leaded machine stock. Great machining & poor welding.





Element Percentage
C 0.15 max
Fe 97.91 - 98.7
Mn 0.85 - 1.15
P 0.04 - 0.09
Pb 0.15 - 0.35
S 0.26 - 0.35



  Imperial Metric
Density 0.284 lb/in3 7.87 g/cc
Ultimate Tensile Strength 78,300psi 540 MPa
Yield Tensile Strength 60,200psi 415 MPa


Hardness Brinell 165
Hardness Rockwell B85
Production Method Cold Finish
The provided chemical compositions and mechanical properties are general approximations. Please contact our Customer Service Department for material test reports.
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Available Sizes


Size Length Weight
1-1/2" x 2-1/4" 144.00" 12.000
2-1/4" x 3" 144.00" 24.750
2-1/2" x 3-1/4" 144.00" 28.000


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