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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


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
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Qty
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Dimensions

  • Temper: Annealed
  • Height: 0.1875"
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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

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

3/16" Stainless Square Bar 303-Annealed Cold Drawn -
Part #: 19634
Camera Expand Details
quantity discount
Qty
Price ea.
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Dimensions

  • Temper: Annealed
  • Height: 0.1875"
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

3/16" Stainless Square Bar 440C Oversize Ground Stock Part # 19348

3/16" Stainless Square Bar 440C Oversize Ground Stock -
Part #: 19348

3/16" Stainless Square Bar 410 Precision Ground Part # 19335

3/16" Stainless Square Bar 410 Precision Ground -
Part #: 19335

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

1/4" Stainless Square Bar 304/304L-Annealed Cold Finish -
Part #: 427
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-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 316/316L-Annealed Cold Finish Part # 2208

1/4" Stainless Square Bar 316/316L-Annealed Cold Finish -
Part #: 2208
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-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

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

1/4" Stainless Square Bar 440C Oversize Ground Stock Part # 19341

1/4" Stainless Square Bar 440C Oversize Ground Stock -
Part #: 19341

1/4" Stainless Square Bar 410 Precision Ground Part # 19329

1/4" Stainless Square Bar 410 Precision Ground -
Part #: 19329

5/16" Stainless Square Bar 303-Annealed Cold Drawn Part # 19636

5/16" Stainless Square Bar 303-Annealed Cold Drawn -
Part #: 19636
Camera Expand Details
quantity discount
Qty
Price ea.
Savings

Dimensions

  • Temper: Annealed
  • Height: 0.3125"
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

5/16" Stainless Square Bar 440C Oversize Ground Stock Part # 19345

5/16" Stainless Square Bar 440C Oversize Ground Stock -
Part #: 19345

5/16" Stainless Square Bar 410 Precision Ground Part # 19332

5/16" Stainless Square Bar 410 Precision Ground -
Part #: 19332

3/8" Stainless Square Bar 304/304L-Annealed Cold Finish Part # 429

3/8" Stainless Square Bar 304/304L-Annealed Cold Finish -
Part #: 429
Camera Expand Details
quantity discount
Qty
Price ea.
Savings

Dimensions

  • Temper: Annealed
  • Height: 0.375"
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

3/8" Stainless Square Bar 316/316L-Annealed Cold Finish Part # 2209

3/8" Stainless Square Bar 316/316L-Annealed Cold Finish -
Part #: 2209
Camera Expand Details
quantity discount
Qty
Price ea.
Savings

Dimensions

  • Temper: Annealed
  • Height: 0.375"
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

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

3/8" Stainless Square Bar 303-Annealed Cold Drawn -
Part #: 19637
Camera Expand Details
quantity discount
Qty
Price ea.
Savings

Dimensions

  • Temper: Annealed
  • Height: 0.375"
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

3/8" Stainless Square Bar 440C Oversize Ground Stock Part # 19344

3/8" Stainless Square Bar 440C Oversize Ground Stock -
Part #: 19344

3/8" Stainless Square Bar 410 Precision Ground Part # 19331

3/8" Stainless Square Bar 410 Precision Ground -
Part #: 19331

7/16" Stainless Square Bar 303-Annealed Cold Drawn Part # 19638

7/16" Stainless Square Bar 303-Annealed Cold Drawn -
Part #: 19638
Camera Expand Details
quantity discount
Qty
Price ea.
Savings

Dimensions

  • Temper: Annealed
  • Height: 0.4375"
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

1/2" 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

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

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

1/2" Stainless Square Bar 17-4 PH Cond. A HRAP Part # 21520

1/2" Stainless Square Bar 17-4 PH Cond. A HRAP -
Part #: 21520
Camera Expand Details
quantity discount
Qty
Price ea.
Savings

Dimensions

  • Temper: Condition A
  • Height: 0.5"
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

1/2" Stainless Square Bar 303-Annealed Cold Drawn Part # 19639

1/2" Stainless Square Bar 303-Annealed Cold Drawn -
Part #: 19639
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-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

1/2" Stainless Square Bar 440C Oversize Ground Stock Part # 19340

1/2" Stainless Square Bar 440C Oversize Ground Stock -
Part #: 19340

1/2" Stainless Square Bar 410 Precision Ground Part # 19328

1/2" Stainless Square Bar 410 Precision Ground -
Part #: 19328

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

5/8" Stainless Square Bar 304/304L-Annealed Cold Finish -
Part #: 432
Camera Expand Details
quantity discount
Qty
Price ea.
Savings

Dimensions

  • Temper: Annealed
  • Height: 0.625"
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

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