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Metals

Discover the right metal for every project with OnlineMetals, your trusted source for quality materials and precision-cut shapes. We carry a full range of metal types including Aluminum, Brass, Bronze, Carbon Steel, Cast Iron, Copper, Galvanized Steel, Lead, Magnesium, Stainless Steel, Tungsten Carbide, Tool Steel, and Zinc—each available in multiple shapes such as sheet, plate, coil, bar, pipe, tube, angle, channel, wire, and rod. Whether you’re fabricating industrial components, upgrading home fixtures, or designing decorative pieces, our metals offer the strength, versatility, and finish you need. OnlineMetals provides both domestic and foreign options, with full DFARS compliance and Mill Test Reports (MTRs) available. From aerospace and automotive to construction, HVAC, and hobbyist applications, our materials are engineered for performance and precision. Most items ship within one business day, so you can keep your projects moving. Choose the best in quality, selection, and convenience—order your metal stock from OnlineMetals today.

Metals

Discover the right metal for every project with OnlineMetals, your trusted source for quality materials and precision-cut shapes. We carry a full range of metal types including Aluminum, Brass, Bronze, Carbon Steel, Cast Iron, Copper, Galvanized Steel, Lead, Magnesium, Stainless Steel, Tungsten Carbide, Tool Steel, and Zinc—each available in multiple shapes such as sheet, plate, coil, bar, pipe, tube, angle, channel, wire, and rod. Whether you’re fabricating industrial components, upgrading home fixtures, or designing decorative pieces, our metals offer the strength, versatility, and finish you need. OnlineMetals provides both domestic and foreign options, with full DFARS compliance and Mill Test Reports (MTRs) available. From aerospace and automotive to construction, HVAC, and hobbyist applications, our materials are engineered for performance and precision. Most items ship within one business day, so you can keep your projects moving. Choose the best in quality, selection, and convenience—order your metal stock from OnlineMetals today.

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19022 results

19022 results

4" Carbon Steel Square Bar 1018 Cold Finish Part # mp-00063116

Sold & Shipped by MSP Metals

Select a Size or Custom Cut

QTY

Update

$380.02 for 1

$380.02 ea.

Dimensions

Height: 4"

Click for more details

mild-steel-square-bar-1018-cold-finish-1superZoom-mob{product.code}

Key Features

CUSTOM CUT DFARS Compliant

MTR AVAILABLE product return

product return

Non-returnable

View more product details

Click for more details

mild-steel-square-bar-1018-cold-finish-1superZoom-deskmp-00063116

4" Carbon Steel Square Bar 1018 Cold Finish Part # mp-00063116

Dimensions

Height: 4"

Select a Size or Custom Cut

+ Create Custom Cut
12″ (1 ft.) - $380.02 ea.
24″ (2 ft.) - $760.03 ea.
36″ (3 ft.) - $1,140.05 ea.
48″ (4 ft.) - $1,520.06 ea.
60″ (5 ft.) - $1,900.08 ea.
72″ (6 ft.) - $2,280.10 ea.
144″ (12 ft.) - $4,560.19 ea.

Seller's Info	Custom Cut	MTR	USA Made	Returns	DFARS	Price	Qty

4" OD x 0.325" Wall Standard Diamond Series Stainless Vibration Damping Round Tube Part # mp-00064257

Sold & Shipped by Techreo

Select a Size

QTY

Update

$1,388.35 for 1

$1,388.35 ea.

Buy More & Save up to 11% !

Qty

Price ea.

Savings

5-9

$1332.82

3%

10-19

$1291.17

6%

20-49

$1249.52

9%

50+

$1221.75

11%

More

Less

Dimensions

Outer Diameter: 4"
Wall: 0.325"
Inner Diameter: 3.35"

Click for more details

4" OD x 0.325" Wall Standard Diamond Series Stainless Vibration Damping Round Tube-mob{product.code}

Key Features

CUSTOM CUT

U.S.A. Made DFARS Compliant

MTR NOT AVAILABLE product return

product return

Non-returnable

View more product details

Click for more details

4" OD x 0.325" Wall Standard Diamond Series Stainless Vibration Damping Round Tube-deskmp-00064257

4" OD x 0.325" Wall Standard Diamond Series Stainless Vibration Damping Round Tube Part # mp-00064257

Dimensions

Outer Diameter: 4"
Wall: 0.325"
Inner Diameter: 3.35"

Select a Size

12″ (1 ft.) - $1,388.35 ea.
24″ (2 ft.) - $2,578.37 ea.
36″ (3 ft.) - $3,570.06 ea.
48″ (4 ft.) - $4,561.74 ea.
72″ (6 ft.) - $5,950.09 ea.

Seller's Info	Custom Cut	MTR	USA Made	Returns	DFARS	Price	Qty

4" X .083" Carbon Steel Square Tube A500/A513 Part # mp-00064363

Sold & Shipped by A-Z Metals

Select a Size

QTY

Update

$26.80 for 1

$26.80 ea.

Dimensions

Height: 4"
Wall: 0.083"

Click for more details

4" X .083" Carbon Steel Square Tube A500/A513-mob{product.code}

Key Features

CUSTOM CUT DFARS Compliant

MTR AVAILABLE product return

product return

Returns Acceptable.

View more product details

Click for more details

4" X .083" Carbon Steel Square Tube A500/A513-deskmp-00064363

4" X .083" Carbon Steel Square Tube A500/A513 Part # mp-00064363

Dimensions

Height: 4"
Wall: 0.083"

Select a Size

12″ (1 ft.) - $26.80 ea.
24″ (2 ft.) - $42.85 ea.
36″ (3 ft.) - $60.20 ea.
48″ (4 ft.) - $75.04 ea.
72″ (6 ft.) - $99.80 ea.

Seller's Info	Custom Cut	MTR	USA Made	Returns	DFARS	Price	Qty

2 3/4"-4 Stainless Threaded Coarse Rod 304 Part # mp-00064659

Sold & Shipped by AMP Metals LLC

Select a Size

QTY

Update

$608.00 for 1

$608.00 ea.

Dimensions

Thread: 4 Tpi

Click for more details

2 3/4"-4 Stainless Threaded Coarse Rod 304-mob{product.code}

Key Features

CUSTOM CUT

U.S.A. Made DFARS Compliant

MTR AVAILABLE product return

product return

Non-returnable

View more product details

Click for more details

2 3/4"-4 Stainless Threaded Coarse Rod 304-deskmp-00064659

2 3/4"-4 Stainless Threaded Coarse Rod 304 Part # mp-00064659

Dimensions

Thread: 4 Tpi

Select a Size

12″ (1 ft.) - $608.00 ea.
24″ (2 ft.) - $808.00 ea.
36″ (3 ft.) - $1,008.00 ea.
48″ (4 ft.) - $1,208.00 ea.
60″ (5 ft.) - $1,350.00 ea.
72″ (6 ft.) - $1,500.00 ea.
84″ (7 ft.) - $1,850.00 ea.
96″ (8 ft.) - $2,800.00 ea.
108″ (9 ft.) - $2,950.00 ea.
120″ (10 ft.) - $3,000.00 ea.
144″ (12 ft.) - $3,000.00 ea.

Seller's Info	Custom Cut	MTR	USA Made	Returns	DFARS	Price	Qty

2 1/2"-4 Stainless Threaded Coarse Rod 304 Part # mp-00064665

Sold & Shipped by AMP Metals LLC

Select a Size

QTY

Update

$350.00 for 1

$350.00 ea.

Dimensions

Thread: 4 Tpi

Click for more details

2 1/2"-4 Stainless Threaded Coarse Rod 304-mob{product.code}

Key Features

CUSTOM CUT

U.S.A. Made DFARS Compliant

MTR AVAILABLE product return

product return

Non-returnable

View more product details

Click for more details

2 1/2"-4 Stainless Threaded Coarse Rod 304-deskmp-00064665

2 1/2"-4 Stainless Threaded Coarse Rod 304 Part # mp-00064665

Dimensions

Thread: 4 Tpi

Select a Size

12″ (1 ft.) - $350.00 ea.
24″ (2 ft.) - $500.00 ea.
36″ (3 ft.) - $560.00 ea.
48″ (4 ft.) - $850.00 ea.
60″ (5 ft.) - $850.00 ea.
72″ (6 ft.) - $990.00 ea.
84″ (7 ft.) - $1,230.00 ea.
96″ (8 ft.) - $1,500.00 ea.
108″ (9 ft.) - $1,600.00 ea.
120″ (10 ft.) - $2,592.00 ea.
144″ (12 ft.) - $2,000.00 ea.

Seller's Info	Custom Cut	MTR	USA Made	Returns	DFARS	Price	Qty

4" x 1/2" Carbon Steel Square Tube A500-A513 Hot Rolled Part # mp-00064832

Sold & Shipped by AMP Metals LLC

Select a Size

QTY

Update

$67.77 for 1

$67.77 ea.

Dimensions

Height: 4"
Wall: 0.5"

Click for more details

4" x 1/2" Carbon Steel Square Tube A500-A513 Hot Rolled-mob{product.code}

Key Features

CUSTOM CUT

U.S.A. Made DFARS Compliant

MTR AVAILABLE product return

product return

Non-returnable

View more product details

Click for more details

4" x 1/2" Carbon Steel Square Tube A500-A513 Hot Rolled-deskmp-00064832

4" x 1/2" Carbon Steel Square Tube A500-A513 Hot Rolled Part # mp-00064832

Dimensions

Height: 4"
Wall: 0.5"

Select a Size

12″ (1 ft.) - $67.77 ea.
24″ (2 ft.) - $109.47 ea.
36″ (3 ft.) - $161.93 ea.
48″ (4 ft.) - $205.83 ea.
60″ (5 ft.) - $251.12 ea.
72″ (6 ft.) - $300.44 ea.
84″ (7 ft.) - $349.75 ea.
96″ (8 ft.) - $399.07 ea.
108″ (9 ft.) - $448.39 ea.
120″ (10 ft.) - $497.70 ea.
144″ (12 ft.) - $596.34 ea.
240″ (20 ft.) - $990.87 ea.

Seller's Info	Custom Cut	MTR	USA Made	Returns	DFARS	Price	Qty

4" x 6" Aluminum Rectangle Bar 7075-T7351-Cold Finish - Part # 28781

Pricing and availability for this item changes frequently. Contact us now for a fast quote.

4" OD x 2" ID Bronze Hollowbar 863 Continuous Cast Part # mp-00034569

Sold & Shipped by Spectrum Machine Inc.

Select a Size

QTY

Update

$396.00 for 1

$396.00 ea.

Dimensions

Outer Diameter: 4"
Wall: 1"
Inner Diameter: 2"

Click for more details

4" OD x 2" ID Bronze Hollowbar 863 Continuous Cast-mob{product.code}

Key Features

CUSTOM CUT

U.S.A. Made DFARS Compliant

MTR AVAILABLE product return

product return

Returns Acceptable.

View more product details

Click for more details

4" OD x 2" ID Bronze Hollowbar 863 Continuous Cast-deskmp-00034569

4" OD x 2" ID Bronze Hollowbar 863 Continuous Cast Part # mp-00034569

Dimensions

Outer Diameter: 4"
Wall: 1"
Inner Diameter: 2"

Select a Size

12″ (1 ft.) - $396.00 ea.
24″ (2 ft.) - $781.00 ea.
72″ (6 ft.) - $2,354.00 ea.

Seller's Info	Custom Cut	MTR	USA Made	Returns	DFARS	Price	Qty

4" OD x 3" ID Bronze Hollowbar 863 Continuous Cast Part # mp-00034572

Sold & Shipped by Spectrum Machine Inc.

Select a Size

QTY

Update

$264.00 for 1

$264.00 ea.

Dimensions

Outer Diameter: 4"
Wall: 0.5"
Inner Diameter: 3"

Click for more details

4" OD x 3" ID Bronze Hollowbar 863 Continuous Cast-mob{product.code}

Key Features

CUSTOM CUT

U.S.A. Made DFARS Compliant

MTR AVAILABLE product return

product return

Returns Acceptable.

View more product details

Click for more details

4" OD x 3" ID Bronze Hollowbar 863 Continuous Cast-deskmp-00034572

4" OD x 3" ID Bronze Hollowbar 863 Continuous Cast Part # mp-00034572

Dimensions

Outer Diameter: 4"
Wall: 0.5"
Inner Diameter: 3"

Select a Size

12″ (1 ft.) - $264.00 ea.
24″ (2 ft.) - $517.00 ea.
72″ (6 ft.) - $1,551.00 ea.

Seller's Info	Custom Cut	MTR	USA Made	Returns	DFARS	Price	Qty

4" OD x 1" ID Bronze Hollowbar 863 Continuous Cast Part # mp-00034617

Sold & Shipped by Spectrum Machine Inc.

Select a Size

QTY

Update

$473.00 for 1

$473.00 ea.

Dimensions

Outer Diameter: 4"
Wall: 1.5"
Inner Diameter: 1"

Click for more details

4" OD x 1" ID Bronze Hollowbar 863 Continuous Cast-mob{product.code}

Key Features

CUSTOM CUT

U.S.A. Made DFARS Compliant

MTR AVAILABLE product return

product return

Returns Acceptable.

View more product details

Click for more details

4" OD x 1" ID Bronze Hollowbar 863 Continuous Cast-deskmp-00034617

4" OD x 1" ID Bronze Hollowbar 863 Continuous Cast Part # mp-00034617

Dimensions

Outer Diameter: 4"
Wall: 1.5"
Inner Diameter: 1"

Select a Size

12″ (1 ft.) - $473.00 ea.
24″ (2 ft.) - $935.00 ea.
72″ (6 ft.) - $2,816.00 ea.

Seller's Info	Custom Cut	MTR	USA Made	Returns	DFARS	Price	Qty

4" x 4" Bronze Rectangle Bar 863 Continuous Cast Part # mp-00034463

Sold & Shipped by Spectrum Machine Inc.

Select a Size

QTY

Update

$660.00 for 1

$660.00 ea.

Dimensions

Thickness: 4"
Width: 4"

Click for more details

4" x 4" Bronze Rectangle Bar 863 Continuous Cast-mob{product.code}

Key Features

CUSTOM CUT

U.S.A. Made DFARS Compliant

MTR AVAILABLE product return

product return

Returns Acceptable.

View more product details

Click for more details

4" x 4" Bronze Rectangle Bar 863 Continuous Cast-deskmp-00034463

4" x 4" Bronze Rectangle Bar 863 Continuous Cast Part # mp-00034463

Dimensions

Thickness: 4"
Width: 4"

Select a Size

12″ (1 ft.) - $660.00 ea.
24″ (2 ft.) - $1,320.00 ea.
72″ (6 ft.) - $3,960.00 ea.

Seller's Info	Custom Cut	MTR	USA Made	Returns	DFARS	Price	Qty

1/4" Aluminum Square Bar 2024-T4-Cold Finish - Part # 28847

Pricing and availability for this item changes frequently. Contact us now for a fast quote.

4" OD x 0.065" Wall x 3.87" ID Carbon Steel Round Tube Welded Part # mp-00038237

Sold & Shipped by Stainless Headers Mfg.

Select a Size or Custom Cut

QTY

Update

$23.95 for 1

$23.95 ea.

Dimensions

Outer Diameter: 4"
Wall: 0.065"
Inner Diameter: 3.87"

Click for more details

4" OD x 0.065" Wall x 3.87" ID Carbon Steel Round Tube Welded-mob{product.code}

Key Features

CUSTOM CUT

U.S.A. Made DFARS Compliant

MTR NOT AVAILABLE product return

product return

Returns Acceptable.

View more product details

Click for more details

4" OD x 0.065" Wall x 3.87" ID Carbon Steel Round Tube Welded-deskmp-00038237

4" OD x 0.065" Wall x 3.87" ID Carbon Steel Round Tube Welded Part # mp-00038237

Dimensions

Outer Diameter: 4"
Wall: 0.065"
Inner Diameter: 3.87"

Select a Size or Custom Cut

+ Create Custom Cut
12″ (1 ft.) - $23.95 ea.
24″ (2 ft.) - $42.95 ea.
36″ (3 ft.) - $62.95 ea.
48″ (4 ft.) - $82.95 ea.
60″ (5 ft.) - $104.95 ea.

Seller's Info	Custom Cut	MTR	USA Made	Returns	DFARS	Price	Qty

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

Sold & Shipped by MSP Metals

Select a Size or Custom Cut

QTY

Update

$285.86 for 1

$285.86 ea.

Dimensions

Height: 4"

Click for more details

hot-roll-square-bar-a36-1superZoom-mob{product.code}

Key Features

CUSTOM CUT DFARS Compliant

MTR AVAILABLE product return

product return

Non-returnable

View more product details

Click for more details

hot-roll-square-bar-a36-1superZoom-deskmp-00038683

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

Dimensions

Height: 4"

Select a Size or Custom Cut

+ Create Custom Cut
12″ (1 ft.) - $285.86 ea.
24″ (2 ft.) - $571.71 ea.
36″ (3 ft.) - $857.58 ea.
48″ (4 ft.) - $1,143.43 ea.
60″ (5 ft.) - $1,429.30 ea.
72″ (6 ft.) - $1,715.15 ea.
96″ (8 ft.) - $2,286.87 ea.
144″ (12 ft.) - $3,430.30 ea.

Seller's Info	Custom Cut	MTR	USA Made	Returns	DFARS	Price	Qty

4" Nom. Schedule 80 Stainless Pipe 304/304L Seamless - Part # 28872

Pricing and availability for this item changes frequently. Contact us now for a fast quote.

4" Aluminum Plate 2024-T351 - Part # 7954

Pricing and availability for this item changes frequently. Contact us now for a fast quote.

4" Aluminum Plate 7075-T7351 Part # 23601

Select a Size or Custom Cut

QTY

Update

$829.08 for 1

$829.08 ea.

Dimensions

Thickness: 4"

Click for more details

aluminum-plate-7075-t651-1superZoom-mob{product.code}

Material Meets These Standard(s): ASTM-B209 , AMS-QQ-A-250/12 , AMS-4078

Key Features

CUSTOM CUT

FREE MTR Available

View more product details

Click for more details

aluminum-plate-7075-t651-1superZoom-desk23601

4" Hot Roll Plate A36 Hot Rolled Part # 19990

Select a Size or Custom Cut

QTY

Update

$696.13 for 1

$696.13 ea.

Dimensions

Thickness: 4"

Click for more details

mild-steel-sheet-hot-rolled-a569-astm-a1011-1superZoom-mob{product.code}

Key Features

CUSTOM CUT

FREE MTR Available

View more product details

Click for more details

mild-steel-sheet-hot-rolled-a569-astm-a1011-1superZoom-desk19990

0.063" x 4" x 4" Aluminum Angle 3003-H22 Diamond Plate Corner Protector Part # mp-00067634

Sold & Shipped by AMP Metals LLC

Select a Size

QTY

Update

$21.11 for 1

$21.11 ea.

Dimensions

Legs: 4" X 4"
Thickness: 0.063"

Click for more details

0.063" x 4" x 4" Aluminum Angle 3003-H22 Diamond Plate Corner Protector-mob{product.code}

Key Features

CUSTOM CUT DFARS Compliant

MTR AVAILABLE product return

product return

Non-returnable

View more product details

Click for more details

0.063" x 4" x 4" Aluminum Angle 3003-H22 Diamond Plate Corner Protector-deskmp-00067634

0.063" x 4" x 4" Aluminum Angle 3003-H22 Diamond Plate Corner Protector Part # mp-00067634

Dimensions

Legs: 4" X 4"
Thickness: 0.063"

Select a Size

12″ (1 ft.) - $21.11 ea.
24″ (2 ft.) - $30.56 ea.
36″ (3 ft.) - $40.00 ea.
48″ (4 ft.) - $49.45 ea.
72″ (6 ft.) - $68.34 ea.
84″ (7 ft.) - $77.78 ea.
96″ (8 ft.) - $86.39 ea.

Seller's Info	Custom Cut	MTR	USA Made	Returns	DFARS	Price	Qty

4" Stainless Square Bar 303-Annealed Cold Drawn - Part # 29648

Pricing and availability for this item changes frequently. Contact us now for a fast quote.

7/16" Copper Round Bar 110-H04 - Part # 29652

Pricing and availability for this item changes frequently. Contact us now for a fast quote.

4mm x 20mm Stainless Rectangle Bar 304/304L Metric 60" Length [+/- 2"] Part # 24398

Pack of 1

QTY

Update

$123.57

$123.57 ea.

Dimensions

Thickness: 4mm
Width: 20mm

Click for more details

stainless-rectangle-bar-304-1superZoom-mob{product.code}

Key Features

FREE MTR Available

View more product details

Click for more details

stainless-rectangle-bar-304-1superZoom-desk24398

4mm x 25mm Stainless Rectangle Bar 304/304L Metric 60" Length [+/- 2"] Part # 24399

Pack of 1

QTY

Update

$123.68

$123.68 ea.

Dimensions

Thickness: 4mm
Width: 25mm

Click for more details

stainless-rectangle-bar-304-1superZoom-mob{product.code}

Key Features

FREE MTR Available

View more product details

Click for more details

stainless-rectangle-bar-304-1superZoom-desk24399

4mm x 12mm Stainless Rectangle Bar 304/304L Metric 60" Length [+/- 2"] Part # 24397

Pack of 1

QTY

Update

$87.20

$87.20 ea.

Dimensions

Thickness: 4mm
Width: 12mm

Click for more details

stainless-rectangle-bar-304-1superZoom-mob{product.code}

Key Features

FREE MTR Available

View more product details

Click for more details

stainless-rectangle-bar-304-1superZoom-desk24397

4mm x 6mm Carbon Steel Rectangle Bar 1005/1018 Metric 60" Length [+/- 2"] Part # 24459

Pack of 10

QTY

Update

$105.92

$105.92 ea.

Dimensions

Thickness: 4mm
Width: 6mm

Click for more details

mild-steel-key-stock-rectangle-1superZoom-mob{product.code}

Key Features

FREE MTR Available

View more product details

Click for more details

mild-steel-key-stock-rectangle-1superZoom-desk24459

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