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Alloy Steel Rectangle Bar 4142 Prehardened

-142 Products

Alloy Steel 4142 Product Guide Product   | Alloy Steel 4142 Rectangle Bar Tolerances product

Alloy Steel Rectangle/Flat Bar 4142 Prehardened is normally used for heavy-duty industrial applications. Also referred to as Chromoly steel, 4142 is known for strength, resistance to fracturing, abrasion, and impact in high stress applications.

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1/4" x 5/8" Alloy Steel Rectangle Bar 4142-Prehardened Part # 19134

1/4" x 5/8" Alloy Steel Rectangle Bar 4142-Prehardened -
Part #: 19134
Select a Cut Size
  • 18″ (18 in.) - $59.43 ea.
  • 36″ (3 ft.) - $99.24 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.

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$59.43 for 1
$59.43 ea.
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Dimensions

  • Thickness: 0.25"
  • Width: 0.625"
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Material Meets These Standard(s): ASTM-A322

Key Features

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1/4" x 3/4" Alloy Steel Rectangle Bar 4142-Prehardened Part # 19142

1/4" x 3/4" Alloy Steel Rectangle Bar 4142-Prehardened -
Part #: 19142
Select a Cut Size
  • 18″ (18 in.) - $58.28 ea.
  • 36″ (3 ft.) - $97.25 ea.
  • 72″ (6 ft.) - $184.60 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.

QTY

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$58.28 for 1
$58.28 ea.
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Dimensions

  • Thickness: 0.25"
  • Width: 0.75"
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Material Meets These Standard(s): ASTM-A322

Key Features

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1/4" x 1" Alloy Steel Rectangle Bar 4142-Prehardened Part # 19151

1/4" x 1" Alloy Steel Rectangle Bar 4142-Prehardened -
Part #: 19151
Select a Cut Size
  • 18″ (18 in.) - $70.08 ea.
  • 36″ (3 ft.) - $116.98 ea.
  • 72″ (6 ft.) - $222.10 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

Update
$70.08 for 1
$70.08 ea.
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Dimensions

  • Thickness: 0.25"
  • Width: 1"
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Material Meets These Standard(s): ASTM-A322

Key Features

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1/4" x 1 1/4" Alloy Steel Rectangle Bar 4142-Prehardened Part # 19159

1/4" x 1 1/4" Alloy Steel Rectangle Bar 4142-Prehardened -
Part #: 19159
Select a Cut Size
  • 18″ (18 in.) - $78.88 ea.
  • 36″ (3 ft.) - $131.74 ea.
  • 72″ (6 ft.) - $250.15 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

Update
$78.88 for 1
$78.88 ea.
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Dimensions

  • Thickness: 0.25"
  • Width: 1.25"
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Material Meets These Standard(s): ASTM-A322

Key Features

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1/4" x 1 1/2" Alloy Steel Rectangle Bar 4142-Prehardened Part # 19170

1/4" x 1 1/2" Alloy Steel Rectangle Bar 4142-Prehardened -
Part #: 19170
Select a Cut Size
  • 18″ (18 in.) - $88.85 ea.
  • 36″ (3 ft.) - $148.32 ea.
  • 72″ (6 ft.) - $281.61 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

Update
$88.85 for 1
$88.85 ea.
Expand Details

Dimensions

  • Thickness: 0.25"
  • Width: 1.5"
Click for more details alloy-steel-rectangle-bar-4142-prehardened-1superZoom
Material Meets These Standard(s): ASTM-A322

Key Features

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1/4" x 1 3/4" Alloy Steel Rectangle Bar 4142-Prehardened Part # 19179

1/4" x 1 3/4" Alloy Steel Rectangle Bar 4142-Prehardened -
Part #: 19179
Select a Cut Size
  • 18″ (18 in.) - $104.25 ea.
  • 36″ (3 ft.) - $174.07 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.

QTY

Update
$104.25 for 1
$104.25 ea.
Expand Details

Dimensions

  • Thickness: 0.25"
  • Width: 1.75"
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Material Meets These Standard(s): ASTM-A322

Key Features

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1/4" x 2" Alloy Steel Rectangle Bar 4142-Prehardened Part # 19189

1/4" x 2" Alloy Steel Rectangle Bar 4142-Prehardened -
Part #: 19189
Select a Cut Size
  • 18″ (18 in.) - $107.55 ea.
  • 36″ (3 ft.) - $179.54 ea.
  • 72″ (6 ft.) - $340.93 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

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$107.55 for 1
$107.55 ea.
Expand Details

Dimensions

  • Thickness: 0.25"
  • Width: 2"
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Material Meets These Standard(s): ASTM-A322

Key Features

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1/4" x 2 1/2" Alloy Steel Rectangle Bar 4142-Prehardened Part # 19198

1/4" x 2 1/2" Alloy Steel Rectangle Bar 4142-Prehardened -
Part #: 19198
Select a Cut Size
  • 18″ (18 in.) - $127.33 ea.
  • 36″ (3 ft.) - $212.52 ea.
  • 72″ (6 ft.) - $403.55 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

Update
$127.33 for 1
$127.33 ea.
Expand Details

Dimensions

  • Thickness: 0.25"
  • Width: 2.5"
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Material Meets These Standard(s): ASTM-A322

Key Features

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1/4" x 3" Alloy Steel Rectangle Bar 4142-Prehardened Part # 19209

1/4" x 3" Alloy Steel Rectangle Bar 4142-Prehardened -
Part #: 19209
Select a Cut Size
  • 18″ (18 in.) - $146.10 ea.
  • 36″ (3 ft.) - $243.86 ea.
  • 72″ (6 ft.) - $463.20 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

Update
$146.10 for 1
$146.10 ea.
Expand Details

Dimensions

  • Thickness: 0.25"
  • Width: 3"
Click for more details alloy-steel-rectangle-bar-4142-prehardened-1superZoom
Material Meets These Standard(s): ASTM-A322

Key Features

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1/4" x 3 1/2" Alloy Steel Rectangle Bar 4142-Prehardened Part # 19218

1/4" x 3 1/2" Alloy Steel Rectangle Bar 4142-Prehardened -
Part #: 19218
Select a Cut Size
  • 18″ (18 in.) - $177.85 ea.
  • 36″ (3 ft.) - $296.83 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

Update
$177.85 for 1
$177.85 ea.
Expand Details

Dimensions

  • Thickness: 0.25"
  • Width: 3.5"
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Material Meets These Standard(s): ASTM-A322

Key Features

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1/4" x 10" Alloy Steel Rectangle Bar 4142-Prehardened Part # 19259

1/4" x 10" Alloy Steel Rectangle Bar 4142-Prehardened -
Part #: 19259
Select a Cut Size
  • 18″ (18 in.) - $498.30 ea.
  • 36″ (3 ft.) - $831.91 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

Update
$498.30 for 1
$498.30 ea.
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Dimensions

  • Thickness: 0.25"
  • Width: 10"
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Material Meets These Standard(s): ASTM-A322

Key Features

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5/16" x 6" Alloy Steel Rectangle Bar 4142-Prehardened Part # 19246

5/16" x 6" Alloy Steel Rectangle Bar 4142-Prehardened -
Part #: 19246
Select a Cut Size
  • 18″ (18 in.) - $298.45 ea.
  • 36″ (3 ft.) - $498.19 ea.
  • 72″ (6 ft.) - $946.22 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

Update
$298.45 for 1
$298.45 ea.
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Dimensions

  • Thickness: 0.3125"
  • Width: 6"
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Material Meets These Standard(s): ASTM-A322

Key Features

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5/16" x 8" Alloy Steel Rectangle Bar 4142-Prehardened Part # 19253

5/16" x 8" Alloy Steel Rectangle Bar 4142-Prehardened -
Part #: 19253
Select a Cut Size
  • 18″ (18 in.) - $439.85 ea.
  • 36″ (3 ft.) - $734.38 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

Update
$439.85 for 1
$439.85 ea.
Expand Details

Dimensions

  • Thickness: 0.3125"
  • Width: 8"
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Material Meets These Standard(s): ASTM-A322

Key Features

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5/16" x 5" Alloy Steel Rectangle Bar 4142-Prehardened Part # 19238

5/16" x 5" Alloy Steel Rectangle Bar 4142-Prehardened -
Part #: 19238
Select a Cut Size
  • 18″ (18 in.) - $255.20 ea.
  • 36″ (3 ft.) - $425.93 ea.
  • 72″ (6 ft.) - $808.94 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

Update
$255.20 for 1
$255.20 ea.
Expand Details

Dimensions

  • Thickness: 0.3125"
  • Width: 5"
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Material Meets These Standard(s): ASTM-A322

Key Features

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5/16" x 3/8" Alloy Steel Rectangle Bar 4142-Prehardened Part # 19124

5/16" x 3/8" Alloy Steel Rectangle Bar 4142-Prehardened -
Part #: 19124
Select a Cut Size
  • 18″ (18 in.) - $71.05 ea.
  • 36″ (3 ft.) - $118.56 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

Update
$71.05 for 1
$71.05 ea.
Expand Details

Dimensions

  • Thickness: 0.3125"
  • Width: 0.375"
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Material Meets These Standard(s): ASTM-A322

Key Features

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5/16" x 4" Alloy Steel Rectangle Bar 4142-Prehardened Part # 19229

5/16" x 4" Alloy Steel Rectangle Bar 4142-Prehardened -
Part #: 19229
Select a Cut Size
  • 18″ (18 in.) - $211.75 ea.
  • 36″ (3 ft.) - $353.52 ea.
  • 72″ (6 ft.) - $671.34 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

Update
$211.75 for 1
$211.75 ea.
Expand Details

Dimensions

  • Thickness: 0.3125"
  • Width: 4"
Click for more details alloy-steel-rectangle-bar-4142-prehardened-1superZoom
Material Meets These Standard(s): ASTM-A322

Key Features

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5/16" x 1/2" Alloy Steel Rectangle Bar 4142-Prehardened Part # 19130

5/16" x 1/2" Alloy Steel Rectangle Bar 4142-Prehardened -
Part #: 19130
Select a Cut Size
  • 18″ (18 in.) - $64.35 ea.
  • 36″ (3 ft.) - $107.47 ea.
  • 72″ (6 ft.) - $204.08 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

Update
$64.35 for 1
$64.35 ea.
Expand Details

Dimensions

  • Thickness: 0.3125"
  • Width: 0.5"
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Material Meets These Standard(s): ASTM-A322

Key Features

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5/16" x 5/8" Alloy Steel Rectangle Bar 4142-Prehardened Part # 19135

5/16" x 5/8" Alloy Steel Rectangle Bar 4142-Prehardened -
Part #: 19135
Select a Cut Size
  • 18″ (18 in.) - $68.90 ea.
  • 36″ (3 ft.) - $115.03 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

Update
$68.90 for 1
$68.90 ea.
Expand Details

Dimensions

  • Thickness: 0.3125"
  • Width: 0.625"
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Material Meets These Standard(s): ASTM-A322

Key Features

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5/16" x 3/4" Alloy Steel Rectangle Bar 4142-Prehardened Part # 19143

5/16" x 3/4" Alloy Steel Rectangle Bar 4142-Prehardened -
Part #: 19143
Select a Cut Size
  • 18″ (18 in.) - $69.57 ea.
  • 36″ (3 ft.) - $116.18 ea.
  • 72″ (6 ft.) - $220.61 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

Update
$69.57 for 1
$69.57 ea.
Expand Details

Dimensions

  • Thickness: 0.3125"
  • Width: 0.75"
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Material Meets These Standard(s): ASTM-A322

Key Features

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5/16" x 1" Alloy Steel Rectangle Bar 4142-Prehardened Part # 19152

5/16" x 1" Alloy Steel Rectangle Bar 4142-Prehardened -
Part #: 19152
Select a Cut Size
  • 18″ (18 in.) - $82.73 ea.
  • 36″ (3 ft.) - $138.00 ea.
  • 72″ (6 ft.) - $262.19 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

Update
$82.73 for 1
$82.73 ea.
Expand Details

Dimensions

  • Thickness: 0.3125"
  • Width: 1"
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Material Meets These Standard(s): ASTM-A322

Key Features

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5/16" x 1 1/4" Alloy Steel Rectangle Bar 4142-Prehardened Part # 19160

5/16" x 1 1/4" Alloy Steel Rectangle Bar 4142-Prehardened -
Part #: 19160
Select a Cut Size
  • 18″ (18 in.) - $91.70 ea.
  • 36″ (3 ft.) - $153.10 ea.
  • 72″ (6 ft.) - $290.85 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

Update
$91.70 for 1
$91.70 ea.
Expand Details

Dimensions

  • Thickness: 0.3125"
  • Width: 1.25"
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Material Meets These Standard(s): ASTM-A322

Key Features

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5/16" x 1 1/2" Alloy Steel Rectangle Bar 4142-Prehardened Part # 19171

5/16" x 1 1/2" Alloy Steel Rectangle Bar 4142-Prehardened -
Part #: 19171
Select a Cut Size
  • 18″ (18 in.) - $102.85 ea.
  • 36″ (3 ft.) - $171.67 ea.
  • 72″ (6 ft.) - $326.13 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

Update
$102.85 for 1
$102.85 ea.
Expand Details

Dimensions

  • Thickness: 0.3125"
  • Width: 1.5"
Click for more details alloy-steel-rectangle-bar-4142-prehardened-1superZoom
Material Meets These Standard(s): ASTM-A322

Key Features

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5/16" x 1 3/4" Alloy Steel Rectangle Bar 4142-Prehardened Part # 19180

5/16" x 1 3/4" Alloy Steel Rectangle Bar 4142-Prehardened -
Part #: 19180
Select a Cut Size
  • 18″ (18 in.) - $121.20 ea.
  • 36″ (3 ft.) - $202.44 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

Update
$121.20 for 1
$121.20 ea.
Expand Details

Dimensions

  • Thickness: 0.3125"
  • Width: 1.75"
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Material Meets These Standard(s): ASTM-A322

Key Features

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5/16" x 2" Alloy Steel Rectangle Bar 4142-Prehardened Part # 19190

5/16" x 2" Alloy Steel Rectangle Bar 4142-Prehardened -
Part #: 19190
Select a Cut Size
  • 18″ (18 in.) - $124.98 ea.
  • 36″ (3 ft.) - $208.70 ea.
  • 72″ (6 ft.) - $396.29 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

Update
$124.98 for 1
$124.98 ea.
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Dimensions

  • Thickness: 0.3125"
  • Width: 2"
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Material Meets These Standard(s): ASTM-A322

Key Features

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5/16" x 2 1/2" Alloy Steel Rectangle Bar 4142-Prehardened Part # 19199

5/16" x 2 1/2" Alloy Steel Rectangle Bar 4142-Prehardened -
Part #: 19199
Select a Cut Size
  • 18″ (18 in.) - $146.18 ea.
  • 36″ (3 ft.) - $244.03 ea.
  • 72″ (6 ft.) - $463.43 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

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$146.18 for 1
$146.18 ea.
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Dimensions

  • Thickness: 0.3125"
  • Width: 2.5"
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Material Meets These Standard(s): ASTM-A322

Key Features

FREE MTR AVAILABLE
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