Shop all Products
Shop Aerospace Materials

Open for Orders 24/7!

Deals
Get a Quick Quote!

Easy to Weld Steel

-345 Products

Learn More About Welding Steel

Sort by

Size
  • Size
  • Price:Low to High
  • Product Name: A to Z
  • Product Name: Z to A
  • Relevance
  • Price:High to Low

Close

Filters

Material

Alloy/Type

Production Method

Secondary Shape

Surface

Grade

Color

Domestic

Finish

DFARS

seller

Open Area

Shape

Can't find what you need?

Contact our experienced US-based customer service team for hard-to-source materials.


3 1/2" x 0.12" Carbon Steel Square Tube A500 Hot Rolled - 
Part #: 10368

3 1/2" x 0.12" Carbon Steel Square Tube A500 Hot Rolled -
Part #: 10368

Click for more details

mild-steel-square-tube-hot-rolled-a500-1superZoom

Dimensions

  • Height: 3.5"
  • Wall: 0.12"
See all available dimensions for this product
  • 12″ (1 ft.) - $16.92 ea.
  • 24″ (2 ft.) - $32.92 ea.
  • 36″ (3 ft.) - $44.96 ea.
  • 48″ (4 ft.) - $56.06 ea.
  • 72″ (6 ft.) - $79.17 ea.
  • 96″ (8 ft.) - $98.61 ea.
  • 144″ (12 ft.) - $122.73 ea.
  • 240″ (20 ft.) - $204.57 ea. -LTL freight rates apply
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

$16.92 ea.
$16.92 for 1

3 1/2" x 0.1875" Carbon Steel Square Tube A500 Hot Rolled - 
Part #: 10370

3 1/2" x 0.1875" Carbon Steel Square Tube A500 Hot Rolled -
Part #: 10370

Click for more details

mild-steel-square-tube-hot-rolled-a500-1superZoom

Dimensions

  • Height: 3.5"
  • Wall: 0.1875"
See all available dimensions for this product
  • 12″ (1 ft.) - $26.90 ea.
  • 24″ (2 ft.) - $50.85 ea.
  • 36″ (3 ft.) - $75.08 ea.
  • 48″ (4 ft.) - $97.38 ea.
  • 72″ (6 ft.) - $134.23 ea.
  • 96″ (8 ft.) - $171.87 ea.
  • 240″ (20 ft.) - $394.21 ea. -LTL freight rates apply
  • 288″ (24 ft.) - $473.06 ea. LTL freight starting at $245 on all lengths greater than 96"
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

$26.90 ea.
$26.90 for 1

3 1/2" x 0.25" Carbon Steel Square Tube A500 Hot Rolled - 
Part #: 10371

3 1/2" x 0.25" Carbon Steel Square Tube A500 Hot Rolled -
Part #: 10371

Click for more details

mild-steel-square-tube-hot-rolled-a500-1superZoom

Dimensions

  • Height: 3.5"
  • Wall: 0.25"
See all available dimensions for this product
  • 12″ (1 ft.) - $28.26 ea.
  • 24″ (2 ft.) - $53.46 ea.
  • 36″ (3 ft.) - $78.94 ea.
  • 48″ (4 ft.) - $102.33 ea.
  • 72″ (6 ft.) - $141.09 ea.
  • 96″ (8 ft.) - $180.63 ea.
  • 240″ (20 ft.) - $414.33 ea. -LTL freight rates apply
  • 288″ (24 ft.) - $497.19 ea. LTL freight starting at $245 on all lengths greater than 96"
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

$28.26 ea.
$28.26 for 1

3 1/2" Carbon Steel Square Bar 1018 Cold Finish - 
Part #: 12717

3 1/2" Carbon Steel Square Bar 1018 Cold Finish -
Part #: 12717

Click for more details

mild-steel-square-bar-1018-cold-finish-1superZoom

Dimensions

  • Height: 3.5"
See all available dimensions for this product
  • 12″ (1 ft.) - $268.67 ea.
  • 24″ (2 ft.) - $507.85 ea.
  • 36″ (3 ft.) - $749.96 ea.
  • 144″ (12 ft.) - $2,362.07 ea.
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

$268.67 ea.
$268.67 for 1

3 1/2" Carbon Steel Plate A36 Hot Rolled - 
Part #: 27500

3 1/2" Carbon Steel Plate A36 Hot Rolled -
Part #: 27500

Click for more details

mild-steel-sheet-hot-rolled-a569-astm-a1011-1superZoom

Dimensions

  • Thickness: 3.5"
See all available dimensions for this product
  • 12″ X 12″ (1 X 1 ft.) - $498.82 ea.
  • 12″ X 24″ (1 X 2 ft.) - $946.29 ea.
  • 12″ X 36″ (1 X 3 ft.) - $1,397.43 ea.
  • 12″ X 48″ (1 X 4 ft.) - $1,811.89 ea.
  • 24″ X 24″ (2 X 2 ft.) - $1,811.89 ea.
  • 24″ X 36″ (2 X 3 ft.) - $2,596.80 ea.
  • 24″ X 48″ (2 X 4 ft.) - $3,330.36 ea.
  • 36″ X 36″ (3 X 3 ft.) - $3,647.63 ea.
  • 36″ X 48″ (3 X 4 ft.) - $4,797.48 ea.
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

$498.82 ea.
$498.82 for 1

3.5" Carbon Steel Square Bar A36 Hot Rolled - 
Part #: mp-00038669

3.5" Carbon Steel Square Bar A36 Hot Rolled -
Part #: mp-00038669

Click for more details

Sold & shipped by MSP Metals

Dimensions

  • Height: 3.5"
See all available dimensions for this product
  • 12″ (1 ft.) - $200.73 ea.
  • 24″ (2 ft.) - $401.45 ea.
  • 36″ (3 ft.) - $602.18 ea.
  • 48″ (4 ft.) - $802.90 ea.
  • 60″ (5 ft.) - $1,003.63 ea.
  • 72″ (6 ft.) - $1,204.35 ea.
  • 96″ (8 ft.) - $1,605.80 ea.
  • 144″ (12 ft.) - $2,408.70 ea.
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

$200.73 ea.
$200.73 for 1

3.5" Nom. Schedule 40 Carbon Steel Pipe A500 Grade C - 
Part #: mp-00038199

3.5" Nom. Schedule 40 Carbon Steel Pipe A500 Grade C -
Part #: mp-00038199

Click for more details

Sold & shipped by Des Moines Steel Co.

Dimensions

  • Nominal: 3.5"
  • Schedule: Schedule 40
  • Outer Diameter: 4"
  • Color: Black
  • Wall: 0.226"
  • Inner Diameter: 3.548"
See all available dimensions for this product
  • 12″ (1 ft.) - $20.94 ea.
  • 24″ (2 ft.) - $41.89 ea.
  • 36″ (3 ft.) - $62.83 ea.
  • 48″ (4 ft.) - $83.78 ea.
  • 60″ (5 ft.) - $104.72 ea.
  • 72″ (6 ft.) - $149.60 ea.
  • 84″ (7 ft.) - $194.48 ea.
  • 96″ (8 ft.) - $239.36 ea.
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.

QTY

$20.94 ea.
$20.94 for 1

3 3/4" Carbon Steel Plate A36 Hot Rolled - 
Part #: 28968

3 3/4" Carbon Steel Plate A36 Hot Rolled-
Part #: 28968

Click for more details

Dimensions

  • Thickness: 3.75"
See all available dimensions for this product
Pricing and availability for this item changes frequently. Contact us now for a fast quote.

4" x 7" x 0.25" Carbon Steel Rectangle Tube A500/A513 Hot Rolled - 
Part #: 23561

4" x 7" x 0.25" Carbon Steel Rectangle Tube A500/A513 Hot Rolled -
Part #: 23561

Click for more details

mild-steel-rectangle-tube-hot-rolled-a513-1superZoom

Dimensions

  • Height: 4"
  • Width: 7"
  • Wall: 0.25"
See all available dimensions for this product
  • 12″ (1 ft.) - $49.87 ea.
  • 24″ (2 ft.) - $94.26 ea.
  • 36″ (3 ft.) - $139.20 ea.
  • 48″ (4 ft.) - $180.49 ea.
  • 72″ (6 ft.) - $248.81 ea.
  • 96″ (8 ft.) - $318.60 ea.
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

$49.87 ea.
$49.87 for 1

4" Carbon Steel Square Bar 1018 Cold Finish - 
Part #: 20101

4" Carbon Steel Square Bar 1018 Cold Finish-
Part #: 20101

Click for more details

mild-steel-square-bar-1018-cold-finish-1superZoom

Dimensions

  • Height: 4"
See all available dimensions for this product
Pricing and availability for this item changes frequently. Contact us now for a fast quote.

4" Hot Roll Plate A36 Hot Rolled - 
Part #: 19990

4" Hot Roll Plate A36 Hot Rolled -
Part #: 19990

Click for more details

mild-steel-sheet-hot-rolled-a569-astm-a1011-1superZoom

Dimensions

  • Thickness: 4"
See all available dimensions for this product
  • 12″ X 12″ (1 X 1 ft.) - $629.60 ea.
  • 12″ X 24″ (1 X 2 ft.) - $1,194.41 ea.
  • 12″ X 36″ (1 X 3 ft.) - $1,763.83 ea.
  • 12″ X 48″ (1 X 4 ft.) - $2,286.97 ea.
  • 24″ X 24″ (2 X 2 ft.) - $2,286.97 ea.
  • 24″ X 36″ (2 X 3 ft.) - $3,277.69 ea.
  • 24″ X 48″ (2 X 4 ft.) - $4,203.56 ea.
  • 36″ X 36″ (3 X 3 ft.) - $4,604.03 ea.
  • 36″ X 48″ (3 X 4 ft.) - $6,055.36 ea.
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

$629.60 ea.
$629.60 for 1

4" x 0.12" Carbon Steel Square Tube A500 Hot Rolled - 
Part #: 10376

4" x 0.12" Carbon Steel Square Tube A500 Hot Rolled -
Part #: 10376

Click for more details

mild-steel-square-tube-hot-rolled-a500-1superZoom

Dimensions

  • Height: 4"
  • Wall: 0.12"
See all available dimensions for this product
  • 12″ (1 ft.) - $20.35 ea.
  • 24″ (2 ft.) - $39.62 ea.
  • 36″ (3 ft.) - $54.06 ea.
  • 48″ (4 ft.) - $67.41 ea.
  • 72″ (6 ft.) - $95.22 ea.
  • 96″ (8 ft.) - $118.58 ea.
  • 144″ (12 ft.) - $147.61 ea.
  • 240″ (20 ft.) - $246.01 ea. -LTL freight rates apply
  • 288″ (24 ft.) - $295.22 ea. LTL freight starting at $245 on all lengths greater than 96"
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

$20.35 ea.
$20.35 for 1

4" x 0.1875" Carbon Steel Square Tube A500 Hot Rolled - 
Part #: 10378

4" x 0.1875" Carbon Steel Square Tube A500 Hot Rolled -
Part #: 10378

Click for more details

mild-steel-square-tube-hot-rolled-a500-1superZoom

Dimensions

  • Height: 4"
  • Wall: 0.1875"
See all available dimensions for this product
  • 12″ (1 ft.) - $23.75 ea.
  • 24″ (2 ft.) - $44.89 ea.
  • 36″ (3 ft.) - $66.28 ea.
  • 48″ (4 ft.) - $85.91 ea.
  • 72″ (6 ft.) - $118.44 ea.
  • 96″ (8 ft.) - $151.67 ea.
  • 240″ (20 ft.) - $347.86 ea. -LTL freight rates apply
  • 288″ (24 ft.) - $417.45 ea. LTL freight starting at $245 on all lengths greater than 96"
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

$23.75 ea.
$23.75 for 1

4" x 0.25" Carbon Steel Square Tube A500 Hot Rolled - 
Part #: 10379

4" x 0.25" Carbon Steel Square Tube A500 Hot Rolled -
Part #: 10379

Click for more details

mild-steel-square-tube-hot-rolled-a500-1superZoom

Dimensions

  • Height: 4"
  • Wall: 0.25"
See all available dimensions for this product
  • 12″ (1 ft.) - $31.13 ea.
  • 24″ (2 ft.) - $58.81 ea.
  • 36″ (3 ft.) - $86.85 ea.
  • 48″ (4 ft.) - $112.60 ea.
  • 72″ (6 ft.) - $155.22 ea.
  • 96″ (8 ft.) - $198.75 ea.
  • 240″ (20 ft.) - $455.84 ea. -LTL freight rates apply
  • 288″ (24 ft.) - $547.01 ea. LTL freight starting at $245 on all lengths greater than 96"
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

$31.13 ea.
$31.13 for 1

4mm Carbon Steel Square Bar 1018 Cold Finish 60" Length [+/- 2"] - 
Part #: 24503

4mm Carbon Steel Square Bar 1018 Cold Finish 60" Length [+/- 2"] -
Part #: 24503

Click for more details

mild-steel-square-bar-1018-cold-finish-1superZoom

Dimensions

  • Height: 4mm
See all available dimensions for this product

Pack of 6

QTY

$149.65 ea.
$149.65

4" x 6" x 0.1875" Carbon Steel Rectangle Tube A500/A513 Hot Rolled - 
Part #: 12978

4" x 6" x 0.1875" Carbon Steel Rectangle Tube A500/A513 Hot Rolled -
Part #: 12978

Click for more details

mild-steel-rectangle-tube-hot-rolled-a513-1superZoom

Dimensions

  • Height: 4"
  • Width: 6"
  • Wall: 0.1875"
See all available dimensions for this product
  • 12″ (1 ft.) - $32.85 ea.
  • 24″ (2 ft.) - $62.10 ea.
  • 36″ (3 ft.) - $91.69 ea.
  • 48″ (4 ft.) - $118.90 ea.
  • 72″ (6 ft.) - $163.89 ea.
  • 96″ (8 ft.) - $209.87 ea.
  • 240″ (20 ft.) - $481.34 ea. -LTL freight rates apply
  • 288″ (24 ft.) - $577.61 ea. LTL freight starting at $245 on all lengths greater than 96"
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

$32.85 ea.
$32.85 for 1

4" Carbon Steel Square Bar A36 Hot Rolled - 
Part #: mp-00038683

4" Carbon Steel Square Bar A36 Hot Rolled -
Part #: mp-00038683

Click for more details

Sold & shipped by MSP Metals

Dimensions

  • Height: 4"
See all available dimensions for this product
  • 12″ (1 ft.) - $261.78 ea.
  • 24″ (2 ft.) - $523.55 ea.
  • 36″ (3 ft.) - $785.33 ea.
  • 48″ (4 ft.) - $1,047.10 ea.
  • 60″ (5 ft.) - $1,308.88 ea.
  • 72″ (6 ft.) - $1,570.65 ea.
  • 96″ (8 ft.) - $2,094.20 ea.
  • 144″ (12 ft.) - $3,141.30 ea.
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

$261.78 ea.
$261.78 for 1

4" Nom. Schedule 40 Carbon Pipe A500 - 
Part #: 27015

4" Nom. Schedule 40 Carbon Pipe A500 -
Part #: 27015

Click for more details

hot-roll-pipe-a500-schedule-40-1superZoom

Dimensions

  • Nominal: 4"
  • Schedule: Schedule 40
  • Outer Diameter: 4.5"
  • Wall: 0.237"
  • Inner Diameter: 4.026"
See all available dimensions for this product
  • 252″ (21 ft.) - $465.17 ea.
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

$465.17 ea.
$465.17 for 1

4" x 0.375" Carbon Steel Square Tube A500 Hot Rolled - 
Part #: 29026

4" x 0.375" Carbon Steel Square Tube A500 Hot Rolled-
Part #: 29026

Click for more details

Dimensions

  • Height: 4"
  • Wall: 0.375"
See all available dimensions for this product
Pricing and availability for this item changes frequently. Contact us now for a fast quote.

4 1/4" Carbon Steel Plate A36 Hot Rolled - 
Part #: 27652

4 1/4" Carbon Steel Plate A36 Hot Rolled-
Part #: 27652

Click for more details

mild-steel-sheet-hot-rolled-a569-astm-a1011-1superZoom

Dimensions

  • Thickness: 4.25"
See all available dimensions for this product
Pricing and availability for this item changes frequently. Contact us now for a fast quote.

4 1/2" Carbon Steel Plate A36 Hot Rolled - 
Part #: 27819

4 1/2" Carbon Steel Plate A36 Hot Rolled-
Part #: 27819

Click for more details

mild-steel-sheet-hot-rolled-a569-astm-a1011-1superZoom

Dimensions

  • Thickness: 4.5"
See all available dimensions for this product
Pricing and availability for this item changes frequently. Contact us now for a fast quote.

4 3/4" Hot Roll Plate A36 Hot Rolled - 
Part #: 27568

4 3/4" Hot Roll Plate A36 Hot Rolled -
Part #: 27568

Click for more details

mild-steel-sheet-hot-rolled-a569-astm-a1011-1superZoom

Dimensions

  • Thickness: 4.75"
See all available dimensions for this product
  • 12″ X 12″ (1 X 1 ft.) - $2,685.21 ea.
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

$2,685.21 ea.
$2,685.21 for 1

5" x 0.25" Carbon Steel Square Tube A500 Hot Rolled - 
Part #: 10391

5" x 0.25" Carbon Steel Square Tube A500 Hot Rolled -
Part #: 10391

Click for more details

mild-steel-square-tube-hot-rolled-a500-1superZoom

Dimensions

  • Height: 5"
  • Wall: 0.25"
See all available dimensions for this product
  • 12″ (1 ft.) - $45.65 ea.
  • 24″ (2 ft.) - $86.27 ea.
  • 36″ (3 ft.) - $127.44 ea.
  • 48″ (4 ft.) - $165.22 ea.
  • 72″ (6 ft.) - $227.79 ea.
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

$45.65 ea.
$45.65 for 1

5mm Carbon Steel Hex Bar 1018 Cold Finish Metric 60" Length [+/- 2"] - 
Part #: 24489

5mm Carbon Steel Hex Bar 1018 Cold Finish Metric 60" Length [+/- 2"] -
Part #: 24489

Click for more details

cold-roll-hex-bar-1018-1superZoom

Dimensions

  • Across Flats: 5mm
See all available dimensions for this product

Pack of 8

QTY

$129.76 ea.
$129.76

5mm Carbon Steel Square Bar 1018 Cold Finish 60" Length [+/- 2"] - 
Part #: 24504

5mm Carbon Steel Square Bar 1018 Cold Finish 60" Length [+/- 2"] -
Part #: 24504

Click for more details

mild-steel-square-bar-1018-cold-finish-1superZoom

Dimensions

  • Height: 5mm
See all available dimensions for this product

Pack of 10

QTY

$141.36 ea.
$141.36

Can't find what you're looking for?

Contact us for a custom quote