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Carbon Steel Round Bar 6" 1045 Hot Rolled

$356.49 for 12"
Diameter6"
MaterialCarbon Steel
Grade1045
Final discount, tax, and shipping calculated at checkout
1 Choose Your Length Enter your cut length
in
Quarter-inch increments. Min: 1", Max: 94"
0"24"48"72"94"
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Request a quote for cuts longer than 94" · Non-refundable · Tolerance: ±0.125"
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Description

Carbon Steel Round Bar 1045 HR is a medium-carbon steel bar known for its excellent strength and hardness. The hot-rolled process enhances its durability, making it ideal for use in demanding applications such as shafts, gears, and machine components. This round bar offers good machinability and is commonly used in the manufacturing and automotive industries, where high tensile strength and toughness are required.
Not enough in stock? Call us referencing part #345. We only show partial inventory online.
DIAMETER
Specifications
MaterialCarbon Steel
Grade/Alloy1045
ShapeRound Bar
Diameter6.0 in
Max Length94 in
Weight96.13 lb/ft
MTRAvailable Upon Request
Characteristics
WeldabilityGood
MachiningGood
Bending/FormingFair
Wear ResistanceGood
CorrosionFair
Shipping

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  • Courier collects payment on delivery
From the counter

About 1045 steel

1045 is a medium-carbon steel for parts that take real load or wear. The extra carbon, about 0.45%, buys a stronger, tougher bar you can actually heat treat: shafts, axles, pins, and equipment repair. If a 1018 part keeps bending or wearing out, 1045 is the next stop up. The chrome-plated shafting on our rack is 1045 underneath, plated for rollers, slides, and rod repairs.

Read the full 1018 vs A36 vs 1045 steel guide
Can you weld 1045?
Yes, but with homework: preheat it, use the right filler, and let it cool slowly, or the metal next to the weld turns hard and brittle. When in doubt on 1045, bolt it instead.
Should I buy 1018 or 1045?
1018 for clean machined parts that don't take much load. 1045 when the part carries load or wear, or when you plan to heat treat it. 1045 wins on strength and hardness, 1018 wins on easy machining and welding.