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Stainless Steel Rectangle Bar

Stainless Steel Rectangle Bar

Stainless steel rectangle bar provides dependable strength, corrosion resistance, and versatility for fabrication, framing, structural support, and machine part construction. Its flat, rectangular profile makes it ideal for brackets, fixtures, rails, and general industrial components that require clean edges and consistent dimensions. Available in popular stainless alloys – including 17 4, 303, 304, 316, 321, 410, 416, 420 and 440C – these bars support applications ranging from food and beverage equipment to aerospace, chemical processing, and architectural builds. Offered in full lengths and custom cut sizes to match your project needs.


Applications: Structural framing, supports, brackets, fixtures, machinery parts, architectural components, food processing equipment.


Available Alloys: 17-4 | 303 | 304 | 316 | 321 | 410 | 416 | 420 | 440C


5/8" x 1 1/4" Stainless Rectangle Bar 17-4 PH Cond. A HRAP Part # 20574

5/8" x 1 1/4" Stainless Rectangle Bar 17-4 PH Cond. A HRAP -
Part #: 20574
Camera Expand Details
quantity discount
Qty
Price ea.
Savings

Dimensions

  • Thickness: 0.625"
  • Width: 1.25"
  • Temper: Condition A
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stainless-rectangle-bar-17-4-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" x 1 1/4" Stainless Rectangle Bar 303-Annealed Cold Drawn Part # 613

1/2" x 1 1/4" Stainless Rectangle Bar 303-Annealed Cold Drawn -
Part #: 613
Camera Expand Details
quantity discount
Qty
Price ea.
Savings

Dimensions

  • Thickness: 0.5"
  • Width: 1.25"
  • Temper: Annealed
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stainless-rectangle-bar-303-annealed-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

5/8" x 1 1/2" Stainless Rectangle Bar 316/316L Part # 692

5/8" x 1 1/2" Stainless Rectangle Bar 316/316L -
Part #: 692

1/2" x 1 1/4" Stainless Rectangle Bar 304/304L Part # 4432

1/2" x 1 1/4" Stainless Rectangle Bar 304/304L -
Part #: 4432
Camera Expand Details
quantity discount
Qty
Price ea.
Savings

Dimensions

  • Thickness: 0.5"
  • Width: 1.25"
View more product details Click for more details
stainless-rectangle-bar-304-1superZoom
Material Meets These Standard(s): AMS-QQ-S-763,AMS-5639,AMS-5647,ASTM-A276,ASTM-A479,ASTM-F899,ASTM-A240(call for availability)

Key Features

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

1/4" x 1 1/2" Stainless Rectangle Bar 304/304L Part # 4411

1/4" x 1 1/2" Stainless Rectangle Bar 304/304L -
Part #: 4411
Camera Expand Details
quantity discount
Qty
Price ea.
Savings

Dimensions

  • Thickness: 0.25"
  • Width: 1.5"
View more product details Click for more details
stainless-rectangle-bar-304-1superZoom
Material Meets These Standard(s): AMS-QQ-S-763,AMS-5639,AMS-5647,ASTM-A276,ASTM-A479,ASTM-F899,ASTM-A240(call for availability)

Key Features

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

3/8" x 3/4" Stainless Rectangle Bar 304/304L Part # 4420

3/8" x 3/4" Stainless Rectangle Bar 304/304L -
Part #: 4420
Camera Expand Details
quantity discount
Qty
Price ea.
Savings

Dimensions

  • Thickness: 0.375"
  • Width: 0.75"
View more product details Click for more details
stainless-rectangle-bar-304-1superZoom
Material Meets These Standard(s): AMS-QQ-S-763,AMS-5639,AMS-5647,ASTM-A276,ASTM-A479,ASTM-F899,ASTM-A240(call for availability)

Key Features

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

1" x 3" Stainless Rectangle Bar 304/304L Part # 4453

1" x 3" Stainless Rectangle Bar 304/304L -
Part #: 4453
Camera Expand Details
quantity discount
Qty
Price ea.
Savings

Dimensions

  • Thickness: 1"
  • Width: 3"
View more product details Click for more details
stainless-rectangle-bar-304-1superZoom
Material Meets These Standard(s): AMS-QQ-S-763,AMS-5639,AMS-5647,ASTM-A276,ASTM-A479,ASTM-F899,ASTM-A240(call for availability)

Key Features

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

1/2" x 1" Stainless Rectangle Bar 303-Annealed Cold Drawn Part # 612

1/2" x 1" Stainless Rectangle Bar 303-Annealed Cold Drawn -
Part #: 612
Camera Expand Details
quantity discount
Qty
Price ea.
Savings

Dimensions

  • Thickness: 0.5"
  • Width: 1"
  • Temper: Annealed
View more product details Click for more details
stainless-rectangle-bar-303-annealed-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

1/4" x 1" Stainless Rectangle Bar 303-Annealed Cold Drawn Part # 590

1/4" x 1" Stainless Rectangle Bar 303-Annealed Cold Drawn -
Part #: 590
Camera Expand Details
quantity discount
Qty
Price ea.
Savings

Dimensions

  • Thickness: 0.25"
  • Width: 1"
  • Temper: Annealed
View more product details Click for more details
stainless-rectangle-bar-303-annealed-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

1/2" x 2 1/2" Stainless Rectangle Bar 304/304L Part # 4436

1/2" x 2 1/2" Stainless Rectangle Bar 304/304L -
Part #: 4436
Camera Expand Details
quantity discount
Qty
Price ea.
Savings

Dimensions

  • Thickness: 0.5"
  • Width: 2.5"
View more product details Click for more details
stainless-rectangle-bar-304-1superZoom
Material Meets These Standard(s): AMS-QQ-S-763,AMS-5639,AMS-5647,ASTM-A276,ASTM-A479,ASTM-F899,ASTM-A240(call for availability)

Key Features

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

1/4" x 5/8" Stainless Rectangle Bar 303-Annealed Cold Drawn Part # 17690

1/4" x 5/8" Stainless Rectangle Bar 303-Annealed Cold Drawn -
Part #: 17690
Camera Expand Details
quantity discount
Qty
Price ea.
Savings

Dimensions

  • Thickness: 0.25"
  • Width: 0.625"
  • Temper: Annealed
View more product details Click for more details
stainless-rectangle-bar-303-annealed-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

3/8" x 1" Stainless Rectangle Bar 17-4 PH Cond. A HRAP Part # 20562

3/8" x 1" Stainless Rectangle Bar 17-4 PH Cond. A HRAP -
Part #: 20562
Camera Expand Details
quantity discount
Qty
Price ea.
Savings

Dimensions

  • Thickness: 0.375"
  • Width: 1"
  • Temper: Condition A
View more product details Click for more details
stainless-rectangle-bar-17-4-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

5/8" x 1" Stainless Rectangle Bar 316/316L Part # 691

5/8" x 1" Stainless Rectangle Bar 316/316L -
Part #: 691
Camera Expand Details
quantity discount
Qty
Price ea.
Savings

Dimensions

  • Thickness: 0.625"
  • Width: 1"
View more product details Click for more details
stainless-rectangle-bar-316-1superZoom
Material Meets These Standard(s): AMS-QQ-S-763,ASTM-A276,ASTM-A479,AMS-5653,AMS-5648,ASTM-A240(call for availability)

Key Features

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

1/2" x 1" Stainless Rectangle Bar 304/304L Part # 4431

1/2" x 1" Stainless Rectangle Bar 304/304L -
Part #: 4431
Camera Expand Details
quantity discount
Qty
Price ea.
Savings

Dimensions

  • Thickness: 0.5"
  • Width: 1"
View more product details Click for more details
stainless-rectangle-bar-304-1superZoom
Material Meets These Standard(s): AMS-QQ-S-763,AMS-5639,AMS-5647,ASTM-A276,ASTM-A479,ASTM-F899,ASTM-A240(call for availability)

Key Features

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

3/8" x 1/2" Stainless Rectangle Bar 303-Annealed Cold Drawn Part # 17696

3/8" x 1/2" Stainless Rectangle Bar 303-Annealed Cold Drawn -
Part #: 17696
Camera Expand Details
quantity discount
Qty
Price ea.
Savings

Dimensions

  • Thickness: 0.375"
  • Width: 0.5"
  • Temper: Annealed
View more product details Click for more details
stainless-rectangle-bar-303-annealed-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

1/4" x 4" Stainless Rectangle Bar 304/304L Part # 4417

1/4" x 4" Stainless Rectangle Bar 304/304L -
Part #: 4417
Camera Expand Details
quantity discount
Qty
Price ea.
Savings

Dimensions

  • Thickness: 0.25"
  • Width: 4"
View more product details Click for more details
stainless-rectangle-bar-304-1superZoom
Material Meets These Standard(s): AMS-QQ-S-763,AMS-5639,AMS-5647,ASTM-A276,ASTM-A479,ASTM-F899,ASTM-A240(call for availability)

Key Features

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

1" x 2" Stainless Rectangle Bar 304/304L Part # 4452

1" x 2" Stainless Rectangle Bar 304/304L -
Part #: 4452
Camera Expand Details
quantity discount
Qty
Price ea.
Savings

Dimensions

  • Thickness: 1"
  • Width: 2"
View more product details Click for more details
stainless-rectangle-bar-304-1superZoom
Material Meets These Standard(s): AMS-QQ-S-763,AMS-5639,AMS-5647,ASTM-A276,ASTM-A479,ASTM-F899,ASTM-A240(call for availability)

Key Features

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

1/8" x 1" Stainless Rectangle Bar 304/304L Part # 4388

1/8" x 1" Stainless Rectangle Bar 304/304L -
Part #: 4388
Camera Expand Details
quantity discount
Qty
Price ea.
Savings

Dimensions

  • Thickness: 0.125"
  • Width: 1"
View more product details Click for more details
stainless-rectangle-bar-304-1superZoom
Material Meets These Standard(s): ASTM-A240,ASTM-A480,ASTM-A666

Key Features

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

1" x 1 1/2" Stainless Rectangle Bar 304/304L Part # 4451

1" x 1 1/2" Stainless Rectangle Bar 304/304L -
Part #: 4451
Camera Expand Details
quantity discount
Qty
Price ea.
Savings

Dimensions

  • Thickness: 1"
  • Width: 1.5"
View more product details Click for more details
stainless-rectangle-bar-304-1superZoom
Material Meets These Standard(s): AMS-QQ-S-763,AMS-5639,AMS-5647,ASTM-A276,ASTM-A479,ASTM-F899,ASTM-A240(call for availability)

Key Features

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

1 1/2" x 2" Stainless Rectangle Bar 304/304L Part # 12772

1 1/2" x 2" Stainless Rectangle Bar 304/304L -
Part #: 12772
Camera Expand Details
quantity discount
Qty
Price ea.
Savings

Dimensions

  • Thickness: 1.5"
  • Width: 2"
View more product details Click for more details
stainless-rectangle-bar-304-1superZoom
Material Meets These Standard(s): AMS-QQ-S-763,AMS-5639,AMS-5647,ASTM-A276,ASTM-A479,ASTM-F899,ASTM-A240(call for availability)

Key Features

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

1/2" x 3/4" Stainless Rectangle Bar 17-4 PH Cond. A HRAP Part # 13905

1/2" x 3/4" Stainless Rectangle Bar 17-4 PH Cond. A HRAP -
Part #: 13905
Camera Expand Details
quantity discount
Qty
Price ea.
Savings

Dimensions

  • Thickness: 0.5"
  • Width: 0.75"
  • Temper: Condition A
View more product details Click for more details
stainless-rectangle-bar-17-4-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

1/8" x 1/2" Stainless Rectangle Bar 316/316L Part # 637

1/8" x 1/2" Stainless Rectangle Bar 316/316L -
Part #: 637
Camera Expand Details
quantity discount
Qty
Price ea.
Savings

Dimensions

  • Thickness: 0.125"
  • Width: 0.5"
View more product details Click for more details
stainless-rectangle-bar-316-1superZoom
Material Meets These Standard(s): ASTM-A480,ASTM-A666,ASTM-A240

Key Features

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

3/16" x 3" Stainless Rectangle Bar 304/304L Part # 4404

3/16" x 3" Stainless Rectangle Bar 304/304L -
Part #: 4404
Camera Expand Details
quantity discount
Qty
Price ea.
Savings

Dimensions

  • Thickness: 0.1875"
  • Width: 3"
View more product details Click for more details
stainless-rectangle-bar-304-1superZoom
Material Meets These Standard(s): ASTM-A480,ASTM-A666,ASTM-A240

Key Features

CUSTOM CUT MTR FREEMTRAvailable
View more product details View more product details
SALE! Select Cut Sizes

3/4" x 1 3/4" Stainless Rectangle Bar 303-Annealed Cold Drawn Part # 17707

3/4" x 1 3/4" Stainless Rectangle Bar 303-Annealed Cold Drawn -
Part #: 17707

QTY

Update
$38.77 for 1
$38.77 ea.
Camera Expand Details
quantity discount
Qty
Price ea.
Savings

Dimensions

  • Thickness: 0.75"
  • Width: 1.75"
  • Temper: Annealed
View more product details Click for more details
stainless-rectangle-bar-303-annealed-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

3/4" x 4" Stainless Rectangle Bar 304/304L Part # 4449

3/4" x 4" Stainless Rectangle Bar 304/304L -
Part #: 4449
Camera Expand Details
quantity discount
Qty
Price ea.
Savings

Dimensions

  • Thickness: 0.75"
  • Width: 4"
View more product details Click for more details
stainless-rectangle-bar-304-1superZoom
Material Meets These Standard(s): AMS-QQ-S-763,AMS-5639,AMS-5647,ASTM-A276,ASTM-A479,ASTM-F899,ASTM-A240(call for availability)

Key Features

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

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