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Stainless Steel Square Bar

Stainless Steel Square Bar

Stainless steel square bar offers excellent durability, corrosion resistance, and strength, making it suitable for projects exposed to weather, chemicals, or high temperatures. The solid square profile provides uniform strength in all directions, supporting fabrication, structural frames, machinery parts, and architectural elements. Available in a wide range of grades, stainless square bar performs consistently in both indoor and outdoor environments and can be ordered in full lengths or custom cut sizes.


Applications: Structural framing, machinery components, supports, fasteners, architectural features, industrial hardware.


Available Alloys: 17-4 | 303 | 304 | 316 | 410 | 416 | 420 | 440C


2" Stainless Square Bar 304/304L-Annealed Cold Finish Part # 440

2" Stainless Square Bar 304/304L-Annealed Cold Finish -
Part #: 440
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Dimensions

  • Temper: Annealed
  • Height: 2"
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stainless-square-bar-304-cold-finish-1superZoom
Material Meets These Standard(s): AMS-QQ-S-763,AMS-5639,AMS-5647,ASTM-A276,ASTM-A479

Key Features

CUSTOM CUT MTR FREEMTRAvailable
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3/4" Stainless Square Bar 304/304L-Annealed Cold Finish Part # 433

3/4" Stainless Square Bar 304/304L-Annealed Cold Finish -
Part #: 433
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Dimensions

  • Temper: Annealed
  • Height: 0.75"
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stainless-square-bar-304-cold-finish-1superZoom
Material Meets These Standard(s): AMS-QQ-S-763,AMS-5639,AMS-5647,ASTM-A276,ASTM-A479

Key Features

CUSTOM CUT MTR FREEMTRAvailable
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SALE! Select Cut Sizes

1/4" Stainless Square Bar 304/304L-Annealed Cold Finish Part # 427

1/4" Stainless Square Bar 304/304L-Annealed Cold Finish -
Part #: 427

QTY

Update
$3.47 for 1
$3.47 ea.
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Dimensions

  • Temper: Annealed
  • Height: 0.25"
View more product details Click for more details
stainless-square-bar-304-cold-finish-1superZoom
Material Meets These Standard(s): AMS-QQ-S-763,AMS-5639,AMS-5647,ASTM-A276,ASTM-A479

Key Features

CUSTOM CUT MTR FREEMTRAvailable
View more product details View more product details

5/8" Stainless Square Bar 304/304L-Annealed Cold Finish Part # 432

5/8" Stainless Square Bar 304/304L-Annealed Cold Finish -
Part #: 432
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Dimensions

  • Temper: Annealed
  • Height: 0.625"
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stainless-square-bar-304-cold-finish-1superZoom
Material Meets These Standard(s): AMS-QQ-S-763,AMS-5639,AMS-5647,ASTM-A276,ASTM-A479

Key Features

CUSTOM CUT MTR FREEMTRAvailable
View more product details View more product details

1/2" Stainless Square Bar 316/316L-Annealed Cold Finish Part # 2210

1/2" Stainless Square Bar 316/316L-Annealed Cold Finish -
Part #: 2210
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Dimensions

  • Temper: Annealed
  • Height: 0.5"
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stainless-square-bar-316-annealed-cold-finish-1superZoom
Material Meets These Standard(s): AMS-QQ-S-763,ASTM-A276,ASTM-A479,AMS-5653,AMS-5648

Key Features

CUSTOM CUT MTR FREEMTRAvailable
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3/16" Stainless Square Bar 303-Annealed Cold Drawn Part # 19634

3/16" Stainless Square Bar 303-Annealed Cold Drawn -
Part #: 19634
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Dimensions

  • Temper: Annealed
  • Height: 0.1875"
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stainless-square-bar-303-cold-drawn-1superZoom
Material Meets These Standard(s): AMS-5640,ASTM-A582

Key Features

CUSTOM CUT MTR FREEMTRAvailable
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3/16" Stainless Square Bar 304/304L-Annealed Cold Finish Part # 426

3/16" Stainless Square Bar 304/304L-Annealed Cold Finish -
Part #: 426
Camera Expand Details
quantity discount
Qty
Price ea.
Savings

Dimensions

  • Temper: Annealed
  • Height: 0.1875"
View more product details Click for more details
stainless-square-bar-304-cold-finish-1superZoom
Material Meets These Standard(s): AMS-QQ-S-763,AMS-5639,AMS-5647,ASTM-A276,ASTM-A479

Key Features

CUSTOM CUT MTR FREEMTRAvailable
View more product details View more product details

5/8" Stainless Square Bar 303-Annealed Cold Drawn Part # 19640

5/8" Stainless Square Bar 303-Annealed Cold Drawn -
Part #: 19640
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Dimensions

  • Temper: Annealed
  • Height: 0.625"
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stainless-square-bar-303-cold-drawn-1superZoom
Material Meets These Standard(s): AMS-5640,ASTM-A582

Key Features

CUSTOM CUT MTR FREEMTRAvailable
View more product details View more product details

1" Stainless Square Bar 304/304L-Annealed Cold Finish Part # 435

1" Stainless Square Bar 304/304L-Annealed Cold Finish -
Part #: 435
Camera Expand Details
quantity discount
Qty
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Dimensions

  • Temper: Annealed
  • Height: 1"
View more product details Click for more details
stainless-square-bar-304-cold-finish-1superZoom
Material Meets These Standard(s): AMS-QQ-S-763,AMS-5639,AMS-5647,ASTM-A276,ASTM-A479

Key Features

CUSTOM CUT MTR FREEMTRAvailable
View more product details View more product details

1 1/4" Stainless Square Bar 303-Annealed Cold Drawn Part # 13018

1 1/4" Stainless Square Bar 303-Annealed Cold Drawn -
Part #: 13018
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Dimensions

  • Temper: Annealed
  • Height: 1.25"
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stainless-square-bar-303-1superZoom
Material Meets These Standard(s): AMS-5640,ASTM-A582

Key Features

CUSTOM CUT MTR FREEMTRAvailable
View more product details View more product details

3/8" Stainless Square Bar 303-Annealed Cold Drawn Part # 19637

3/8" Stainless Square Bar 303-Annealed Cold Drawn -
Part #: 19637
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Dimensions

  • Temper: Annealed
  • Height: 0.375"
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stainless-square-bar-303-cold-drawn-1superZoom
Material Meets These Standard(s): AMS-5640,ASTM-A582

Key Features

CUSTOM CUT MTR FREEMTRAvailable
View more product details View more product details

2 1/2" Stainless Square Bar 316/316L-Annealed Cold Finish Part # 20323

2 1/2" Stainless Square Bar 316/316L-Annealed Cold Finish -
Part #: 20323
Camera Expand Details
quantity discount
Qty
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Dimensions

  • Temper: Annealed
  • Height: 2.5"
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stainless-square-bar-316-annealed-cold-finish-1superZoom
Material Meets These Standard(s): AMS-QQ-S-763,ASTM-A276,ASTM-A479,AMS-5653,AMS-5648

Key Features

CUSTOM CUT MTR FREEMTRAvailable
View more product details View more product details

4" Stainless Square Bar 17-4 PH Cond. A HRAP Part # mp-00063101

4" Stainless Square Bar 17-4 PH Cond. A HRAP -
Part #: mp-00063101
Sold & Shipped by MSP Metals
Camera Expand Details

Dimensions

  • Temper: Condition A
  • Height: 4"
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stainless-square-bar-17-4-annealed-hrap-ph-1superZoom

Key Features

CUSTOM CUT DFARS Compliant MTR MTR AVAILABLE product return Non-returnable
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2 1/2" Stainless Square Bar 17-4 PH Cond. A HRAP Part # 21459

2 1/2" Stainless Square Bar 17-4 PH Cond. A HRAP -
Part #: 21459
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Qty
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Dimensions

  • Temper: Condition A
  • Height: 2.5"
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stainless-square-bar-17-4-annealed-hrap-ph-1superZoom
Material Meets These Standard(s): ASTM-A564,AMS-5643,ASTM-F899

Key Features

CUSTOM CUT MTR FREEMTRAvailable
View more product details View more product details

1/2" Stainless Square Bar 304/304L-Annealed Cold Finish Part # 431

1/2" Stainless Square Bar 304/304L-Annealed Cold Finish -
Part #: 431
Camera Expand Details
quantity discount
Qty
Price ea.
Savings

Dimensions

  • Temper: Annealed
  • Height: 0.5"
View more product details Click for more details
stainless-square-bar-304-cold-finish-1superZoom
Material Meets These Standard(s): AMS-QQ-S-763,AMS-5639,AMS-5647,ASTM-A276,ASTM-A479

Key Features

CUSTOM CUT MTR FREEMTRAvailable
View more product details View more product details

4" Stainless Square Bar 316/316L-Annealed HRAP Part # 14937

4" Stainless Square Bar 316/316L-Annealed HRAP -
Part #: 14937

Dimensions

  • Temper: Annealed
  • Height: 4"
View more product details Click for more details
stainless-square-bar-316-1superZoom
Material Meets These Standard(s): AMS-QQ-S-763,ASTM-A276,ASTM-A479,AMS-5653,AMS-5648

Key Features

CUSTOM CUT MTR FREEMTRAvailable
View more product details View more product details

1 1/2" Stainless Square Bar 17-4 PH Cond. A HRAP Part # 21458

1 1/2" Stainless Square Bar 17-4 PH Cond. A HRAP -
Part #: 21458
Camera Expand Details
quantity discount
Qty
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Savings

Dimensions

  • Temper: Condition A
  • Height: 1.5"
View more product details Click for more details
stainless-square-bar-17-4-annealed-hrap-ph-1superZoom
Material Meets These Standard(s): ASTM-A564,AMS-5643,ASTM-F899

Key Features

CUSTOM CUT MTR FREEMTRAvailable
View more product details View more product details

1 3/4" Stainless Square Bar 316/316L-Annealed Cold Finish Part # 2217

1 3/4" Stainless Square Bar 316/316L-Annealed Cold Finish -
Part #: 2217
Camera Expand Details
quantity discount
Qty
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Savings

Dimensions

  • Temper: Annealed
  • Height: 1.75"
View more product details Click for more details
stainless-square-bar-316-annealed-cold-finish-1superZoom
Material Meets These Standard(s): AMS-QQ-S-763,ASTM-A276,ASTM-A479,AMS-5653,AMS-5648

Key Features

CUSTOM CUT MTR FREEMTRAvailable
View more product details View more product details

3/4" Stainless Square Bar 303-Annealed Cold Drawn Part # 19641

3/4" Stainless Square Bar 303-Annealed Cold Drawn -
Part #: 19641
Camera Expand Details
quantity discount
Qty
Price ea.
Savings

Dimensions

  • Temper: Annealed
  • Height: 0.75"
View more product details Click for more details
stainless-square-bar-303-cold-drawn-1superZoom
Material Meets These Standard(s): AMS-5640,ASTM-A582

Key Features

CUSTOM CUT MTR FREEMTRAvailable
View more product details View more product details

1 1/4" Stainless Square Bar 304/304L-Annealed Cold Finish Part # 437

1 1/4" Stainless Square Bar 304/304L-Annealed Cold Finish -
Part #: 437
Camera Expand Details
quantity discount
Qty
Price ea.
Savings

Dimensions

  • Temper: Annealed
  • Height: 1.25"
View more product details Click for more details
stainless-square-bar-304-cold-finish-1superZoom
Material Meets These Standard(s): AMS-QQ-S-763,AMS-5639,AMS-5647,ASTM-A276,ASTM-A479

Key Features

CUSTOM CUT MTR FREEMTRAvailable
View more product details View more product details

1/4" Stainless Square Bar 303-Annealed Cold Drawn Part # 19635

1/4" Stainless Square Bar 303-Annealed Cold Drawn -
Part #: 19635
Camera Expand Details
quantity discount
Qty
Price ea.
Savings

Dimensions

  • Temper: Annealed
  • Height: 0.25"
View more product details Click for more details
stainless-square-bar-303-cold-drawn-1superZoom
Material Meets These Standard(s): AMS-5640,ASTM-A582

Key Features

CUSTOM CUT MTR FREEMTRAvailable
View more product details View more product details

3" Stainless Square Bar 17-4 PH Cond. A HRAP Part # 21460

3" Stainless Square Bar 17-4 PH Cond. A HRAP -
Part #: 21460
Camera Expand Details
quantity discount
Qty
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Savings

Dimensions

  • Temper: Condition A
  • Height: 3"
View more product details Click for more details
stainless-square-bar-17-4-annealed-hrap-ph-1superZoom
Material Meets These Standard(s): ASTM-A564,AMS-5643,ASTM-F899

Key Features

CUSTOM CUT MTR FREEMTRAvailable
View more product details View more product details

1" Stainless Square Bar 17-4 PH Cond. A HRAP Part # 21456

1" Stainless Square Bar 17-4 PH Cond. A HRAP -
Part #: 21456
Camera Expand Details
quantity discount
Qty
Price ea.
Savings

Dimensions

  • Temper: Condition A
  • Height: 1"
View more product details Click for more details
stainless-square-bar-17-4-annealed-hrap-ph-1superZoom
Material Meets These Standard(s): ASTM-A564,AMS-5643,ASTM-F899

Key Features

CUSTOM CUT MTR FREEMTRAvailable
View more product details View more product details

1 1/2" Stainless Square Bar 316/316L-Annealed Cold Finish Part # 2216

1 1/2" Stainless Square Bar 316/316L-Annealed Cold Finish -
Part #: 2216
Camera Expand Details
quantity discount
Qty
Price ea.
Savings

Dimensions

  • Temper: Annealed
  • Height: 1.5"
View more product details Click for more details
stainless-square-bar-316-annealed-cold-finish-1superZoom
Material Meets These Standard(s): AMS-QQ-S-763,ASTM-A276,ASTM-A479,AMS-5653,AMS-5648

Key Features

CUSTOM CUT MTR FREEMTRAvailable
View more product details View more product details

2" Stainless Square Bar 17-4 PH Cond. A HRAP Part # 23141

2" Stainless Square Bar 17-4 PH Cond. A HRAP -
Part #: 23141
Camera Expand Details
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Qty
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