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1045

1045

-138 Products

1045 Product Guide

| 1045 Tolerance Guide

1045 steel is a commonly used lower carbon steel with a wide range of applications due to the typical benefits of steel. 1045 steel exhibits medium tensile strength, good weldability and machinability, and high strength. Typically used in machinery parts, die forging, hot upsetting, gears, crankshafts, shafts, axles, bolts, studs, pinions, casters, and support plates.

We offer 1045 steel in hex bar, rectangle bar, round bar, square bar & sheet/plate.

Relevant Knowledge Hub Resources: 5 Reasons to Cut to Size | Understanding Steel

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Production Method

Cold Finish

Cold Finished

Ground and Polished

Hot Rolled

TGP

Unit of Measure

inch

seller

Onlinemetals.com

Material

Carbon Steel

Alloy/Type

1045

Shape

Bar-Rectangle

Bar-Round

Sheet/Plate

%7B%22item_id%22%3A%2227041%22%2C%22item_name%22%3A%228mm+x+25mm+Carbon+Steel+Rectangle+Bar+1045+72%5C%22+Length+%5B%2B%2F-+2%5C%22%5D%22%2C%22item_brand%22%3A%22%22%2C%22item_category%22%3A%22Carbon+Steel%22%2C%22item_category2%22%3A%22Bar-Rectangle%22%2C%22item_category3%22%3A%221045%22%2C%22item_category4%22%3A%22%22%2C%22item_category5%22%3A%22%22%2C%22item_category6%22%3A%22%2F%22%2C%22item_category7%22%3A%22%22%2C%22item_category8%22%3A%22false%22%2C%22item_category9%22%3A%22false%22%2C%22item_list_id%22%3A%22%22%2C%22item_list_name%22%3A%22%22%2C%22item_variant%22%3A%22%22%2C%22price%22%3A%22%22%2C%22quantity%22%3A%22%22%7D

8mm x 25mm Carbon Steel Rectangle Bar 1045 72" Length [+/- 2"] -
Part #: 27041

8mm x 25mm Carbon Steel Rectangle Bar 1045 72" Length [+/- 2"] -

Part #: 27041

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mild-steel-key-stock-rectangle-1superZoom

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Dimensions

Thickness: 8mm
Width: 25mm

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Pack of 2

QTY

$110.04 ea.

$110.04

%7B%22item_id%22%3A%2223482%22%2C%22item_name%22%3A%228+3%2F4%5C%22+Carbon+Steel+Round+Bar+1045+Hot+Rolled%22%2C%22item_brand%22%3A%22%22%2C%22item_category%22%3A%22Carbon+Steel%22%2C%22item_category2%22%3A%22Bar-Round%22%2C%22item_category3%22%3A%221045%22%2C%22item_category4%22%3A%22%22%2C%22item_category5%22%3A%22Hot+Rolled%22%2C%22item_category6%22%3A%22%2F%22%2C%22item_category7%22%3A%22%22%2C%22item_category8%22%3A%22false%22%2C%22item_category9%22%3A%22true%22%2C%22item_list_id%22%3A%22%22%2C%22item_list_name%22%3A%22%22%2C%22item_variant%22%3A%22%22%2C%22price%22%3A%22%22%2C%22quantity%22%3A%22%22%7D

8 3/4" Carbon Steel Round Bar 1045 Hot Rolled -
Part #: 23482

8 3/4" Carbon Steel Round Bar 1045 Hot Rolled -

Part #: 23482

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Dimensions

Diameter: 8.75"

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Select a Cut Size for Price Select a Cut Size

12″ (1 ft.) - $3,945.12 ea.
24″ (2 ft.) - $7,456.72 ea.
36″ (3 ft.) - $11,011.66 ea.
Buy 4 at the 12 ft price!
48″ (4 ft.) - $14,277.59 ea.
72″ (6 ft.) - $19,682.24 ea.
96″ (8 ft.) - $25,202.52 ea.

Save on shipping!

You can select smaller lengths and switch from freight to standard shipping and save!

How does selecting smaller lengths reduce shipping costs?

Reducing your order from an oversize item that requires expensive freight services to a smaller bundle makes it eligible for less expensive (and faster!) standard shipping services.

*Material tolerances will remain +/- 0.125".

Best shipping value:

Single Heat Lot Required

Why are heat lots important?

Heat lots ensure consistent metal properties, full traceability, and quality control, which are critical for precision and reliability in your projects.

By selecting "Single Heat Lot Required" option, we ensure all cut pieces are sourced from a single heat lot for consistency in material characteristics.

Create Custom Cut

QTY

$3,945.12 ea.

$3,945.12 for 1

%7B%22item_id%22%3A%2222030%22%2C%22item_name%22%3A%2210mm+Carbon+Steel+Round+Bar+1045+TGP+Metric+72%5C%22+Length+%5B%2B%2F-+2%5C%22%5D%22%2C%22item_brand%22%3A%22%22%2C%22item_category%22%3A%22Carbon+Steel%22%2C%22item_category2%22%3A%22Bar-Round%22%2C%22item_category3%22%3A%221045%22%2C%22item_category4%22%3A%22%22%2C%22item_category5%22%3A%22TGP%22%2C%22item_category6%22%3A%22%2F%22%2C%22item_category7%22%3A%22%22%2C%22item_category8%22%3A%22false%22%2C%22item_category9%22%3A%22false%22%2C%22item_list_id%22%3A%22%22%2C%22item_list_name%22%3A%22%22%2C%22item_variant%22%3A%22%22%2C%22price%22%3A%22%22%2C%22quantity%22%3A%22%22%7D

10mm Carbon Steel Round Bar 1045 TGP Metric 72" Length [+/- 2"] -
Part #: 22030

10mm Carbon Steel Round Bar 1045 TGP Metric 72" Length [+/- 2"] -

Part #: 22030

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cold-roll-round-bar-1045-cold-finish-1superZoom

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Dimensions

Diameter: 10mm

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Pack of 3

QTY

$199.93 ea.

$199.93

%7B%22item_id%22%3A%2222031%22%2C%22item_name%22%3A%2210mm+Carbon+Steel+Round+Bar+1045+TGP+Metric+36%5C%22+Length+%5B%2B%2F-+2%5C%22%5D%22%2C%22item_brand%22%3A%22%22%2C%22item_category%22%3A%22Carbon+Steel%22%2C%22item_category2%22%3A%22Bar-Round%22%2C%22item_category3%22%3A%221045%22%2C%22item_category4%22%3A%22%22%2C%22item_category5%22%3A%22TGP%22%2C%22item_category6%22%3A%22%2F%22%2C%22item_category7%22%3A%22%22%2C%22item_category8%22%3A%22false%22%2C%22item_category9%22%3A%22false%22%2C%22item_list_id%22%3A%22%22%2C%22item_list_name%22%3A%22%22%2C%22item_variant%22%3A%22%22%2C%22price%22%3A%22%22%2C%22quantity%22%3A%22%22%7D

10mm Carbon Steel Round Bar 1045 TGP Metric 36" Length [+/- 2"] -
Part #: 22031

10mm Carbon Steel Round Bar 1045 TGP Metric 36" Length [+/- 2"] -

Part #: 22031

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Dimensions

Diameter: 10mm

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Pack of 5

QTY

$174.84 ea.

$174.84

%7B%22item_id%22%3A%2227029%22%2C%22item_name%22%3A%2210mm+x+20mm+Carbon+Steel+Rectangle+Bar+1045+72%5C%22+Length+%5B%2B%2F-+2%5C%22%5D%22%2C%22item_brand%22%3A%22%22%2C%22item_category%22%3A%22Carbon+Steel%22%2C%22item_category2%22%3A%22Bar-Rectangle%22%2C%22item_category3%22%3A%221045%22%2C%22item_category4%22%3A%22%22%2C%22item_category5%22%3A%22%22%2C%22item_category6%22%3A%22%2F%22%2C%22item_category7%22%3A%22%22%2C%22item_category8%22%3A%22false%22%2C%22item_category9%22%3A%22false%22%2C%22item_list_id%22%3A%22%22%2C%22item_list_name%22%3A%22%22%2C%22item_variant%22%3A%22%22%2C%22price%22%3A%22%22%2C%22quantity%22%3A%22%22%7D

10mm x 20mm Carbon Steel Rectangle Bar 1045 72" Length [+/- 2"] -
Part #: 27029

10mm x 20mm Carbon Steel Rectangle Bar 1045 72" Length [+/- 2"] -

Part #: 27029

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Dimensions

Thickness: 10mm
Width: 20mm

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Pack of 1

QTY

$107.94 ea.

$107.94

%7B%22item_id%22%3A%2227027%22%2C%22item_name%22%3A%2210mm+x+20mm+Carbon+Steel+Rectangle+Bar+1045+12%5C%22+Length+%5B%2B%2F-+2%5C%22%5D%22%2C%22item_brand%22%3A%22%22%2C%22item_category%22%3A%22Carbon+Steel%22%2C%22item_category2%22%3A%22Bar-Rectangle%22%2C%22item_category3%22%3A%221045%22%2C%22item_category4%22%3A%22%22%2C%22item_category5%22%3A%22%22%2C%22item_category6%22%3A%22%2F%22%2C%22item_category7%22%3A%22%22%2C%22item_category8%22%3A%22false%22%2C%22item_category9%22%3A%22false%22%2C%22item_list_id%22%3A%22%22%2C%22item_list_name%22%3A%22%22%2C%22item_variant%22%3A%22%22%2C%22price%22%3A%22%22%2C%22quantity%22%3A%22%22%7D

10mm x 20mm Carbon Steel Rectangle Bar 1045 12" Length [+/- 2"] -
Part #: 27027

10mm x 20mm Carbon Steel Rectangle Bar 1045 12" Length [+/- 2"] -

Part #: 27027

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Dimensions

Thickness: 10mm
Width: 20mm

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Pack of 7

QTY

$122.53 ea.

$122.53

%7B%22item_id%22%3A%2227018%22%2C%22item_name%22%3A%2210mm+x+15mm+Carbon+Steel+Rectangle+Bar+1045+12%5C%22+Length+%5B%2B%2F-+2%5C%22%5D%22%2C%22item_brand%22%3A%22%22%2C%22item_category%22%3A%22Carbon+Steel%22%2C%22item_category2%22%3A%22Bar-Rectangle%22%2C%22item_category3%22%3A%221045%22%2C%22item_category4%22%3A%22%22%2C%22item_category5%22%3A%22%22%2C%22item_category6%22%3A%22%2F%22%2C%22item_category7%22%3A%22%22%2C%22item_category8%22%3A%22false%22%2C%22item_category9%22%3A%22false%22%2C%22item_list_id%22%3A%22%22%2C%22item_list_name%22%3A%22%22%2C%22item_variant%22%3A%22%22%2C%22price%22%3A%22%22%2C%22quantity%22%3A%22%22%7D

10mm x 15mm Carbon Steel Rectangle Bar 1045 12" Length [+/- 2"] -
Part #: 27018

10mm x 15mm Carbon Steel Rectangle Bar 1045 12" Length [+/- 2"] -

Part #: 27018

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Dimensions

Thickness: 10mm
Width: 15mm

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Pack of 8

QTY

$102.44 ea.

$102.44

%7B%22item_id%22%3A%2227028%22%2C%22item_name%22%3A%2210mm+x+20mm+Carbon+Steel+Rectangle+Bar+1045+36%5C%22+Length+%5B%2B%2F-+2%5C%22%5D%22%2C%22item_brand%22%3A%22%22%2C%22item_category%22%3A%22Carbon+Steel%22%2C%22item_category2%22%3A%22Bar-Rectangle%22%2C%22item_category3%22%3A%221045%22%2C%22item_category4%22%3A%22%22%2C%22item_category5%22%3A%22%22%2C%22item_category6%22%3A%22%2F%22%2C%22item_category7%22%3A%22%22%2C%22item_category8%22%3A%22false%22%2C%22item_category9%22%3A%22false%22%2C%22item_list_id%22%3A%22%22%2C%22item_list_name%22%3A%22%22%2C%22item_variant%22%3A%22%22%2C%22price%22%3A%22%22%2C%22quantity%22%3A%22%22%7D

10mm x 20mm Carbon Steel Rectangle Bar 1045 36" Length [+/- 2"] -
Part #: 27028

10mm x 20mm Carbon Steel Rectangle Bar 1045 36" Length [+/- 2"] -

Part #: 27028

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Dimensions

Thickness: 10mm
Width: 20mm

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Pack of 3

QTY

$148.80 ea.

$148.80

%7B%22item_id%22%3A%2227020%22%2C%22item_name%22%3A%2210mm+x+15mm+Carbon+Steel+Rectangle+Bar+1045+72%5C%22+Length+%5B%2B%2F-+2%5C%22%5D%22%2C%22item_brand%22%3A%22%22%2C%22item_category%22%3A%22Carbon+Steel%22%2C%22item_category2%22%3A%22Bar-Rectangle%22%2C%22item_category3%22%3A%221045%22%2C%22item_category4%22%3A%22%22%2C%22item_category5%22%3A%22%22%2C%22item_category6%22%3A%22%2F%22%2C%22item_category7%22%3A%22%22%2C%22item_category8%22%3A%22false%22%2C%22item_category9%22%3A%22false%22%2C%22item_list_id%22%3A%22%22%2C%22item_list_name%22%3A%22%22%2C%22item_variant%22%3A%22%22%2C%22price%22%3A%22%22%2C%22quantity%22%3A%22%22%7D

10mm x 15mm Carbon Steel Rectangle Bar 1045 72" Length [+/- 2"] -
Part #: 27020

10mm x 15mm Carbon Steel Rectangle Bar 1045 72" Length [+/- 2"] -

Part #: 27020

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Dimensions

Thickness: 10mm
Width: 15mm

See all available dimensions for this product