Steel Flat Bar

Steel Flat Bar

Choose from a large selection of Carbon and Alloy Steel Flat Bar. Online Metal Supply stocks precut lengths of 1018, 4140, A36, and others in cold rolled, hot rolled and decarb free finishes.

All items shown are in stock, ready for immediate shipment.

Use the "Filters" to quickly find the Alloy/Thickness/Width you require.

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3/8" x 1/2", 1018 Steel Flat Bar, Cold Finished

MSRP:

Now: $17.59 - $73.10

Was:

C1018 Cold Finished Flats or known as Cold Roll Flat Bar is a low carbon steel with closer dimensional accuracy, tolerances, and smoother surface finish than hot rolled bar. C1018 Cold Finish Flat Bar is a general purpose steel with good case hardening...

1018FBT0.375W0.5

MSRP:

Now: $17.59 - $73.10

Was:

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In Stock: 152

Qty in Cart: 0

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MSRP:

Now: $17.59 - $73.10

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3/8" x 7/8", 1018 Steel Flat Bar, Cold Finished

MSRP:

Now: $17.99 - $64.31

Was:

C1018 Cold Finished Flats or known as Cold Roll Flat Bar is a low carbon steel with closer dimensional accuracy, tolerances, and smoother surface finish than hot rolled bar. C1018 Cold Finish Flat Bar is a general purpose steel with good case hardening...

1018FBT0.375W0.875

MSRP:

Now: $17.99 - $64.31

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In Stock: 10

Qty in Cart: 0

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MSRP:

Now: $17.99 - $64.31

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3/8" x 1", A36 Steel Flat Bar, Hot Rolled

MSRP:

Now: $18.00 - $64.41

Was:

A36 hot rolled steel is one of the most commonly used mild and hot rolled steels. Good welding, forming, & machining. A36 material is a low carbon steel, often referred to as mild steel which is long lasting and durable. Finish of these bars are rough...

A36FBT0.375W1

MSRP:

Now: $18.00 - $64.41

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In Stock: 6

Qty in Cart: 0

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Now: $18.00 - $64.41

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3/8" x 1", 1018 Steel Flat Bar, Cold Finished

MSRP:

Now: $18.12 - $98.38

Was:

C1018 Cold Finished Flats or known as Cold Roll Flat Bar is a low carbon steel with closer dimensional accuracy, tolerances, and smoother surface finish than hot rolled bar. C1018 Cold Finish Flat Bar is a general purpose steel with good case hardening...

1018FBT0.375W1

MSRP:

Now: $18.12 - $98.38

Was:

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In Stock: 28

Qty in Cart: 0

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MSRP:

Now: $18.12 - $98.38

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3/8" x 1-1/8", 1018 Steel Flat Bar, Cold Finished

MSRP:

Now: $18.26 - $69.10

Was:

C1018 Cold Finished Flats or known as Cold Roll Flat Bar is a low carbon steel with closer dimensional accuracy, tolerances, and smoother surface finish than hot rolled bar. C1018 Cold Finish Flat Bar is a general purpose steel with good case hardening...

1018FBT0.375W1.125

MSRP:

Now: $18.26 - $69.10

Was:

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In Stock: 4

Qty in Cart: 0

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MSRP:

Now: $18.26 - $69.10

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3/8" x 1-1/4", 1018 Steel Flat Bar, Cold Finished

MSRP:

Now: $18.39 - $71.49

Was:

C1018 Cold Finished Flats or known as Cold Roll Flat Bar is a low carbon steel with closer dimensional accuracy, tolerances, and smoother surface finish than hot rolled bar. C1018 Cold Finish Flat Bar is a general purpose steel with good case hardening...

1018FBT0.375W1.25

MSRP:

Now: $18.39 - $71.49

Was:

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In Stock: 33

Qty in Cart: 0

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MSRP:

Now: $18.39 - $71.49

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3/8" x 1-1/2", 1018 Steel Flat Bar, Cold Finished

MSRP:

Now: $18.65 - $76.27

Was:

C1018 Cold Finished Flats or known as Cold Roll Flat Bar is a low carbon steel with closer dimensional accuracy, tolerances, and smoother surface finish than hot rolled bar. C1018 Cold Finish Flat Bar is a general purpose steel with good case hardening...

1018FBT0.375W1.5

MSRP:

Now: $18.65 - $76.27

Was:

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In Stock: 9

Qty in Cart: 0

Quantity:

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MSRP:

Now: $18.65 - $76.27

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3/8" x 1-3/4", 1018 Steel Flat Bar, Cold Finished

MSRP:

Now: $18.92 - $81.05

Was:

C1018 Cold Finished Flats or known as Cold Roll Flat Bar is a low carbon steel with closer dimensional accuracy, tolerances, and smoother surface finish than hot rolled bar. C1018 Cold Finish Flat Bar is a general purpose steel with good case hardening...

1018FBT0.375W1.75

MSRP:

Now: $18.92 - $81.05

Was:

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In Stock: 5

Qty in Cart: 0

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MSRP:

Now: $18.92 - $81.05

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3/8" x 2", A36 Steel Flat Bar, Hot Rolled

MSRP:

Now: $18.93 - $81.24

Was:

A36 hot rolled steel is one of the most commonly used mild and hot rolled steels. Good welding, forming, & machining. A36 material is a low carbon steel, often referred to as mild steel which is long lasting and durable. Finish of these bars are rough...

A36FBT0.375W2

MSRP:

Now: $18.93 - $81.24

Was:

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In Stock: 1

Qty in Cart: 0

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MSRP:

Now: $18.93 - $81.24

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3/8" x 2", 1018 Steel Flat Bar, Cold Finished

MSRP:

Now: $19.19 - $85.83

Was:

C1018 Cold Finished Flats or known as Cold Roll Flat Bar is a low carbon steel with closer dimensional accuracy, tolerances, and smoother surface finish than hot rolled bar. C1018 Cold Finish Flat Bar is a general purpose steel with good case hardening...

1018FBT0.375W2

MSRP:

Now: $19.19 - $85.83

Was:

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In Stock: 24

Qty in Cart: 0

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MSRP:

Now: $19.19 - $85.83

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3/8" x 2", 4140 Steel Flat Bar, Annealed, Cold Finished

MSRP:

Now: $20.04 - $101.13

Was:

4140 Alloy Steel Flat is a cold drawn, annealed steel of relatively high hardenability. 4140 Alloy Steel Flat responds well to heat-treatment and is relatively easy to machine in the annealed condition. The cold drawn bars provide closer dimensional...

4140ACFT0.375W2

MSRP:

Now: $20.04 - $101.13

Was:

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In Stock: 1

Qty in Cart: 0

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MSRP:

Now: $20.04 - $101.13

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3/8" x 2-1/4", 1018 Steel Flat Bar, Cold Finished

MSRP:

Now: $19.45 - $90.61

Was:

C1018 Cold Finished Flats or known as Cold Roll Flat Bar is a low carbon steel with closer dimensional accuracy, tolerances, and smoother surface finish than hot rolled bar. C1018 Cold Finish Flat Bar is a general purpose steel with good case hardening...

1018FBT0.375W2.25

MSRP:

Now: $19.45 - $90.61

Was:

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In Stock: 6

Qty in Cart: 0

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MSRP:

Now: $19.45 - $90.61

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3/8" x 2-3/4", 1018 Steel Flat Bar, Cold Finished

MSRP:

Now: $19.98 - $100.17

Was:

C1018 Cold Finished Flats or known as Cold Roll Flat Bar is a low carbon steel with closer dimensional accuracy, tolerances, and smoother surface finish than hot rolled bar. C1018 Cold Finish Flat Bar is a general purpose steel with good case hardening...

1018FBT0.375W2.75

MSRP:

Now: $19.98 - $100.17

Was:

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In Stock: 1

Qty in Cart: 0

Quantity:

Price:

MSRP:

Now: $19.98 - $100.17

Was:

Subtotal:

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3/8" x 3", 1018 Steel Flat Bar, Cold Finished

MSRP:

Now: $20.25 - $104.96

Was:

C1018 Cold Finished Flats or known as Cold Roll Flat Bar is a low carbon steel with closer dimensional accuracy, tolerances, and smoother surface finish than hot rolled bar. C1018 Cold Finish Flat Bar is a general purpose steel with good case hardening...

1018FBT0.375W3

MSRP:

Now: $20.25 - $104.96

Was:

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In Stock: 3

Qty in Cart: 0

Quantity:

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MSRP:

Now: $20.25 - $104.96

Was:

Subtotal:

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3/8" x 3-1/4", 1018 Steel Flat Bar, Cold Finished

MSRP:

Now: $20.51 - $109.74

Was:

C1018 Cold Finished Flats or known as Cold Roll Flat Bar is a low carbon steel with closer dimensional accuracy, tolerances, and smoother surface finish than hot rolled bar. C1018 Cold Finish Flat Bar is a general purpose steel with good case hardening...

1018FBT0.375W3.25

MSRP:

Now: $20.51 - $109.74

Was:

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In Stock: 10

Qty in Cart: 0

Quantity:

Price:

MSRP:

Now: $20.51 - $109.74

Was:

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3/8" x 3-1/2", 1018 Steel Flat Bar, Cold Finished

MSRP:

Now: $20.78 - $114.52

Was:

C1018 Cold Finished Flats or known as Cold Roll Flat Bar is a low carbon steel with closer dimensional accuracy, tolerances, and smoother surface finish than hot rolled bar. C1018 Cold Finish Flat Bar is a general purpose steel with good case hardening...

1018FBT0.375W3.5

MSRP:

Now: $20.78 - $114.52

Was:

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In Stock: 6

Qty in Cart: 0

Quantity:

Price:

MSRP:

Now: $20.78 - $114.52

Was:

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3/8" x 4", 1018 Steel Flat Bar, Cold Finished

MSRP:

Now: $21.31 - $124.08

Was:

C1018 Cold Finished Flats or known as Cold Roll Flat Bar is a low carbon steel with closer dimensional accuracy, tolerances, and smoother surface finish than hot rolled bar. C1018 Cold Finish Flat Bar is a general purpose steel with good case hardening...

1018FBT0.375W4

MSRP:

Now: $21.31 - $124.08

Was:

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In Stock: 3

Qty in Cart: 0

Quantity:

Price:

MSRP:

Now: $21.31 - $124.08

Was:

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3/8" x 4-1/2", 1018 Steel Flat Bar, Cold Finished

MSRP:

Now: $23.05 - $133.64

Was:

C1018 Cold Finished Flats or known as Cold Roll Flat Bar is a low carbon steel with closer dimensional accuracy, tolerances, and smoother surface finish than hot rolled bar. C1018 Cold Finish Flat Bar is a general purpose steel with good case hardening...

1018FBT0.375W4.5

MSRP:

Now: $23.05 - $133.64

Was:

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In Stock: 3

Qty in Cart: 0

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MSRP:

Now: $23.05 - $133.64

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3/8" x 5", A36 Steel Flat Bar, Hot Rolled

MSRP:

Now: $22.92 - $131.73

Was:

A36 hot rolled steel is one of the most commonly used mild and hot rolled steels. Good welding, forming, & machining. A36 material is a low carbon steel, often referred to as mild steel which is long lasting and durable. Finish of these bars are rough...

A36FBT0.375W5

MSRP:

Now: $22.92 - $131.73

Was:

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In Stock: 2

Qty in Cart: 0

Quantity:

Price:

MSRP:

Now: $22.92 - $131.73

Was:

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3/8" x 5-1/2", 1018 Steel Flat Bar, Cold Finished

MSRP:

Now: $25.86 - $152.77

Was:

C1018 Cold Finished Flats or known as Cold Roll Flat Bar is a low carbon steel with closer dimensional accuracy, tolerances, and smoother surface finish than hot rolled bar. C1018 Cold Finish Flat Bar is a general purpose steel with good case hardening...

1018FBT0.375W5.5

MSRP:

Now: $25.86 - $152.77

Was:

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In Stock: 9

Qty in Cart: 0

Quantity:

Price:

MSRP:

Now: $25.86 - $152.77

Was:

Subtotal:

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3/8" x 6", 1018 Steel Flat Bar, Cold Finished

MSRP:

Now: $26.65 - $162.33

Was:

C1018 Cold Finished Flats or known as Cold Roll Flat Bar is a low carbon steel with closer dimensional accuracy, tolerances, and smoother surface finish than hot rolled bar. C1018 Cold Finish Flat Bar is a general purpose steel with good case hardening...

1018FBT0.375W6

MSRP:

Now: $26.65 - $162.33

Was:

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In Stock: 3

Qty in Cart: 0

Quantity:

Price:

MSRP:

Now: $26.65 - $162.33

Was:

Subtotal:

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3/8" x 6-1/2", 1018 Steel Flat Bar, Cold Finished

MSRP:

Now: $29.19 - $171.89

Was:

C1018 Cold Finished Flats or known as Cold Roll Flat Bar is a low carbon steel with closer dimensional accuracy, tolerances, and smoother surface finish than hot rolled bar. C1018 Cold Finish Flat Bar is a general purpose steel with good case hardening...

1018FBT0.375W6.5

MSRP:

Now: $29.19 - $171.89

Was:

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In Stock: 2

Qty in Cart: 0

Quantity:

Price:

MSRP:

Now: $29.19 - $171.89

Was:

Subtotal:

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3/8" x 7", 1018 Steel Flat Bar, Cold Finished

MSRP:

Now: $30.12 - $181.46

Was:

C1018 Cold Finished Flats or known as Cold Roll Flat Bar is a low carbon steel with closer dimensional accuracy, tolerances, and smoother surface finish than hot rolled bar. C1018 Cold Finish Flat Bar is a general purpose steel with good case hardening...

1018FBT0.375W7

MSRP:

Now: $30.12 - $181.46

Was:

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In Stock: 8

Qty in Cart: 0

Quantity:

Price:

MSRP:

Now: $30.12 - $181.46

Was:

Subtotal:

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3/8" x 8", 1018 Steel Flat Bar, Cold Finished

MSRP:

Now: $34.12 - $200.58

Was:

C1018 Cold Finished Flats or known as Cold Roll Flat Bar is a low carbon steel with closer dimensional accuracy, tolerances, and smoother surface finish than hot rolled bar. C1018 Cold Finish Flat Bar is a general purpose steel with good case hardening...

1018FBT0.375W8

MSRP:

Now: $34.12 - $200.58

Was:

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In Stock: 1

Qty in Cart: 0

Quantity:

Price:

MSRP:

Now: $34.12 - $200.58

Was:

Subtotal:

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3/8" x 9", 1018 Steel Flat Bar, Cold Finished

MSRP:

Now: $38.65 - $219.71

Was:

C1018 Cold Finished Flats or known as Cold Roll Flat Bar is a low carbon steel with closer dimensional accuracy, tolerances, and smoother surface finish than hot rolled bar. C1018 Cold Finish Flat Bar is a general purpose steel with good case hardening...

1018FBT0.375W9

MSRP:

Now: $38.65 - $219.71

Was:

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In Stock: 3

Qty in Cart: 0

Quantity:

Price:

MSRP:

Now: $38.65 - $219.71

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