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Carbon Steel Flat Bar 1" x 4" 1018 Cold Finish

$66.31 for 12"
Thickness1"
MaterialCarbon Steel
Grade1018
Final discount, tax, and shipping calculated at checkout
1 Choose Your Length Enter your cut length
in
Quarter-inch increments. Min: 1", Max: 52"
0"24"48"72"52"
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Request a quote for cuts longer than 52" · Non-refundable · Tolerance: ±0.125"
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Description

Carbon Steel Flat Bar 1018 CF is a low-carbon steel that offers good machinability, weldability, and versatility for a wide range of applications. Known for its smooth surface and consistent strength, it is commonly used in manufacturing components, machine parts, frames, and supports. This flat bar is ideal for both industrial and commercial uses, where reliable performance is essential.
Not enough in stock? Call us referencing part #725. We only show partial inventory online.
WIDTH THICKNESS
Specifications
MaterialCarbon Steel
Grade/Alloy1018
ShapeFlat Bar
Thickness1.0 in
Width4.0 in
Max Length52 in
Weight13.6 lb/ft
MTRAvailable Upon Request
Characteristics
WeldabilityExcellent
MachiningExcellent
Bending/FormingGood
Wear ResistanceFair
CorrosionFair
Shipping

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From the counter

About 1018 steel

1018 cold finished is the machining steel of the rack. It drills, taps, turns, and mills cleanly, holds its size, and comes with a smooth, accurate surface instead of mill scale. It's low carbon, so it welds easily but won't through-harden: that's the trade, easy to work but not a wear part. Brackets, pins, bushings, spacers, and keyed shafts are 1018 territory.

Read the full 1018 vs A36 vs 1045 steel guide
What is 1018 steel used for?
Machined parts that meet a cutting tool: pins, bushings, spacers, keyed shafts, brackets. It machines clean and holds size. For parts that carry real load or wear, step up to 1045.
Can you harden 1018?
Not through its thickness, since it's low carbon. You can case-harden the surface, but if a part needs real hardness or heat treatment, 1045 is the grade you want.