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Carbon Steel Hex Bar 1-3/4" 1018 Cold Finish

$50.88 for 12"
Across Flats1-3/4"
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: 96"
0"24"48"72"96"
2 Select Quantity How many lengths?
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3 Add to Cart Review your order
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Request a quote for cuts longer than 96" · Non-refundable · Tolerance: ±0.125"
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Description

Carbon Steel Hex Bar 1018 CF is a low-carbon steel hexagonal bar that provides excellent machinability and versatility for a wide range of applications. Known for its smooth surface and consistent strength, it is commonly used in manufacturing machine parts, custom components, and fasteners. Ideal for both industrial and commercial uses, this hex bar offers reliable performance in environments that require precision and durability.
Not enough in stock? Call us referencing part #1012. We only show partial inventory online.
ACROSS FLATS
Specifications
MaterialCarbon Steel
Grade/Alloy1018
ShapeHex Bar
Across Flats1.75 in
Max Length96 in
Weight9.03 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.