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4142

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4142 Product Guide Product   | 4142 Alloy Steel Tolerance Guide product

Alloy Steel 4142 is a medium carbon alloy steel with excellent toughness, ductility, wear resistance, and strength, 4142 is popular for a wide range of applications. It can be easily machined in the annealed state, but post treatment machining should be avoided. It is typically used in cams, drill collars, bolts, couplings, reamers axles, shafting, piston rods, rams, hydraulic shafts, gears, sprockets, valves, spindles, tools, boring tools, and other heavy duty machining components.

 

We carry 4142 alloy steel in rectangle bar.

 

Relevant Knowledge Hub Resources: 5 Reasons to Cut-to-Size | Understanding Steel

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3/4" x 5" Alloy Steel Rectangle Bar 4142-Prehardened Part # 19241

3/4" x 5" Alloy Steel Rectangle Bar 4142-Prehardened -
Part #: 19241
Select a Cut Size
  • 18″ (18 in.) - $466.73 ea.
  • 36″ (3 ft.) - $779.18 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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$466.73 for 1
$466.73 ea.
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Dimensions

  • Thickness: 0.75"
  • Width: 5"
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Material Meets These Standard(s): ASTM-A322

Key Features

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3/4" x 3 1/2" Alloy Steel Rectangle Bar 4142-Prehardened Part # 19222

3/4" x 3 1/2" Alloy Steel Rectangle Bar 4142-Prehardened -
Part #: 19222
Select a Cut Size
  • 18″ (18 in.) - $352.10 ea.
  • 36″ (3 ft.) - $587.76 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
$352.10 for 1
$352.10 ea.
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Dimensions

  • Thickness: 0.75"
  • Width: 3.5"
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Material Meets These Standard(s): ASTM-A322

Key Features

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3/4" x 1 1/4" Alloy Steel Rectangle Bar 4142-Prehardened Part # 19164

3/4" x 1 1/4" Alloy Steel Rectangle Bar 4142-Prehardened -
Part #: 19164
Select a Cut Size
  • 18″ (18 in.) - $177.98 ea.
  • 36″ (3 ft.) - $297.19 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
$177.98 for 1
$177.98 ea.
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Dimensions

  • Thickness: 0.75"
  • Width: 1.25"
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Material Meets These Standard(s): ASTM-A322

Key Features

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3/4" x 4" Alloy Steel Rectangle Bar 4142-Prehardened Part # 19233

3/4" x 4" Alloy Steel Rectangle Bar 4142-Prehardened -
Part #: 19233
Select a Cut Size
  • 18″ (18 in.) - $353.40 ea.
  • 36″ (3 ft.) - $590.09 ea.
  • 72″ (6 ft.) - $1,120.60 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

Update
$353.40 for 1
$353.40 ea.
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Dimensions

  • Thickness: 0.75"
  • Width: 4"
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Material Meets These Standard(s): ASTM-A322

Key Features

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3/4" x 1" Alloy Steel Rectangle Bar 4142-Prehardened Part # 19156

3/4" x 1" Alloy Steel Rectangle Bar 4142-Prehardened -
Part #: 19156
Select a Cut Size
  • 18″ (18 in.) - $149.00 ea.
  • 36″ (3 ft.) - $248.69 ea.
  • 72″ (6 ft.) - $472.35 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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$149.00 for 1
$149.00 ea.
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Dimensions

  • Thickness: 0.75"
  • Width: 1"
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Material Meets These Standard(s): ASTM-A322

Key Features

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3/4" x 1 1/2" Alloy Steel Rectangle Bar 4142-Prehardened Part # 19175

3/4" x 1 1/2" Alloy Steel Rectangle Bar 4142-Prehardened -
Part #: 19175
Select a Cut Size
  • 18″ (18 in.) - $185.25 ea.
  • 36″ (3 ft.) - $309.38 ea.
  • 72″ (6 ft.) - $587.53 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
$185.25 for 1
$185.25 ea.
Expand Details

Dimensions

  • Thickness: 0.75"
  • Width: 1.5"
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Material Meets These Standard(s): ASTM-A322

Key Features

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3/4" x 1 3/4" Alloy Steel Rectangle Bar 4142-Prehardened Part # 19183

3/4" x 1 3/4" Alloy Steel Rectangle Bar 4142-Prehardened -
Part #: 19183
Select a Cut Size
  • 18″ (18 in.) - $217.78 ea.
  • 36″ (3 ft.) - $363.50 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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$217.78 for 1
$217.78 ea.
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Dimensions

  • Thickness: 0.75"
  • Width: 1.75"
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Material Meets These Standard(s): ASTM-A322

Key Features

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3/4" x 2" Alloy Steel Rectangle Bar 4142-Prehardened Part # 19194

3/4" x 2" Alloy Steel Rectangle Bar 4142-Prehardened -
Part #: 19194
Select a Cut Size
  • 18″ (18 in.) - $218.88 ea.
  • 36″ (3 ft.) - $365.35 ea.
  • 72″ (6 ft.) - $693.78 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
$218.88 for 1
$218.88 ea.
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Dimensions

  • Thickness: 0.75"
  • Width: 2"
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Material Meets These Standard(s): ASTM-A322

Key Features

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3/4" x 2 1/2" Alloy Steel Rectangle Bar 4142-Prehardened Part # 19203

3/4" x 2 1/2" Alloy Steel Rectangle Bar 4142-Prehardened -
Part #: 19203
Select a Cut Size
  • 18″ (18 in.) - $275.35 ea.
  • 36″ (3 ft.) - $459.77 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
$275.35 for 1
$275.35 ea.
Expand Details

Dimensions

  • Thickness: 0.75"
  • Width: 2.5"
Click for more details alloy-steel-rectangle-bar-4142-prehardened-1superZoom
Material Meets These Standard(s): ASTM-A322

Key Features

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3/4" x 3" Alloy Steel Rectangle Bar 4142-Prehardened Part # 19214

3/4" x 3" Alloy Steel Rectangle Bar 4142-Prehardened -
Part #: 19214
Select a Cut Size
  • 18″ (18 in.) - $286.22 ea.
  • 36″ (3 ft.) - $477.94 ea.
  • 72″ (6 ft.) - $907.62 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
$286.22 for 1
$286.22 ea.
Expand Details

Dimensions

  • Thickness: 0.75"
  • Width: 3"
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Material Meets These Standard(s): ASTM-A322

Key Features

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3/4" x 8" Alloy Steel Rectangle Bar 4142-Prehardened Part # 19257

3/4" x 8" Alloy Steel Rectangle Bar 4142-Prehardened -
Part #: 19257
Select a Cut Size
  • 18″ (18 in.) - $759.68 ea.
  • 36″ (3 ft.) - $1,268.26 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
$759.68 for 1
$759.68 ea.
Expand Details

Dimensions

  • Thickness: 0.75"
  • Width: 8"
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Material Meets These Standard(s): ASTM-A322

Key Features

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3/4" x 10" Alloy Steel Rectangle Bar 4142-Prehardened Part # 19263

3/4" x 10" Alloy Steel Rectangle Bar 4142-Prehardened -
Part #: 19263
Select a Cut Size
  • 18″ (18 in.) - $934.43 ea.
  • 36″ (3 ft.) - $1,559.95 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
$934.43 for 1
$934.43 ea.
Expand Details

Dimensions

  • Thickness: 0.75"
  • Width: 10"
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Material Meets These Standard(s): ASTM-A322

Key Features

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3/4" Alloy Steel Square Bar 4142-Prehardened Part # 19360

3/4" Alloy Steel Square Bar 4142-Prehardened -
Part #: 19360
Select a Cut Size
  • 18″ (18 in.) - $128.10 ea.
  • 36″ (3 ft.) - $213.89 ea.
  • 72″ (6 ft.) - $406.16 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
$128.10 for 1
$128.10 ea.
Expand Details

Dimensions

  • Height: 0.75"
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Material Meets These Standard(s): ASTM-A322

Key Features

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1" x 6" Alloy Steel Rectangle Bar 4142-Prehardened Part # 19251

1" x 6" Alloy Steel Rectangle Bar 4142-Prehardened -
Part #: 19251
Select a Cut Size
  • 18″ (18 in.) - $596.75 ea.
  • 36″ (3 ft.) - $996.29 ea.
  • 72″ (6 ft.) - $1,892.06 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
$596.75 for 1
$596.75 ea.
Expand Details

Dimensions

  • Thickness: 1"
  • Width: 6"
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Material Meets These Standard(s): ASTM-A322

Key Features

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1" x 5" Alloy Steel Rectangle Bar 4142-Prehardened Part # 19242

1" x 5" Alloy Steel Rectangle Bar 4142-Prehardened -
Part #: 19242
Select a Cut Size
  • 18″ (18 in.) - $579.92 ea.
  • 36″ (3 ft.) - $968.33 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
$579.92 for 1
$579.92 ea.
Expand Details

Dimensions

  • Thickness: 1"
  • Width: 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" x 3 1/2" Alloy Steel Rectangle Bar 4142-Prehardened Part # 19223

1" x 3 1/2" Alloy Steel Rectangle Bar 4142-Prehardened -
Part #: 19223
Select a Cut Size
  • 18″ (18 in.) - $439.72 ea.
  • 36″ (3 ft.) - $734.11 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
$439.72 for 1
$439.72 ea.
Expand Details

Dimensions

  • Thickness: 1"
  • Width: 3.5"
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" x 1 1/2" Alloy Steel Rectangle Bar 4142-Prehardened Part # 19176

1" x 1 1/2" Alloy Steel Rectangle Bar 4142-Prehardened -
Part #: 19176
Select a Cut Size
  • 18″ (18 in.) - $231.98 ea.
  • 36″ (3 ft.) - $387.29 ea.
  • 72″ (6 ft.) - $735.58 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
$231.98 for 1
$231.98 ea.
Expand Details

Dimensions

  • Thickness: 1"
  • Width: 1.5"
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Material Meets These Standard(s): ASTM-A322

Key Features

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1" x 4" Alloy Steel Rectangle Bar 4142-Prehardened Part # 19234

1" x 4" Alloy Steel Rectangle Bar 4142-Prehardened -
Part #: 19234
Select a Cut Size
  • 18″ (18 in.) - $487.35 ea.
  • 36″ (3 ft.) - $813.67 ea.
  • 72″ (6 ft.) - $1,545.25 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
$487.35 for 1
$487.35 ea.
Expand Details

Dimensions

  • Thickness: 1"
  • Width: 4"
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Material Meets These Standard(s): ASTM-A322

Key Features

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1" x 1 3/4" Alloy Steel Rectangle Bar 4142-Prehardened Part # 19184

1" x 1 3/4" Alloy Steel Rectangle Bar 4142-Prehardened -
Part #: 19184
Select a Cut Size
  • 18″ (18 in.) - $274.10 ea.
  • 36″ (3 ft.) - $457.61 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
$274.10 for 1
$274.10 ea.
Expand Details

Dimensions

  • Thickness: 1"
  • Width: 1.75"
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" x 2" Alloy Steel Rectangle Bar 4142-Prehardened Part # 19195

1" x 2" Alloy Steel Rectangle Bar 4142-Prehardened -
Part #: 19195
Select a Cut Size
  • 18″ (18 in.) - $272.47 ea.
  • 36″ (3 ft.) - $454.82 ea.
  • 72″ (6 ft.) - $863.85 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
$272.47 for 1
$272.47 ea.
Expand Details

Dimensions

  • Thickness: 1"
  • Width: 2"
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Material Meets These Standard(s): ASTM-A322

Key Features

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1" x 2 1/2" Alloy Steel Rectangle Bar 4142-Prehardened Part # 19204

1" x 2 1/2" Alloy Steel Rectangle Bar 4142-Prehardened -
Part #: 19204
Select a Cut Size
  • 18″ (18 in.) - $344.80 ea.
  • 36″ (3 ft.) - $575.71 ea.
  • 72″ (6 ft.) - $1,093.38 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
$344.80 for 1
$344.80 ea.
Expand Details

Dimensions

  • Thickness: 1"
  • Width: 2.5"
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" x 3" Alloy Steel Rectangle Bar 4142-Prehardened Part # 19215

1" x 3" Alloy Steel Rectangle Bar 4142-Prehardened -
Part #: 19215
Select a Cut Size
  • 18″ (18 in.) - $353.70 ea.
  • 36″ (3 ft.) - $590.62 ea.
  • 72″ (6 ft.) - $1,121.59 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
$353.70 for 1
$353.70 ea.
Expand Details

Dimensions

  • Thickness: 1"
  • Width: 3"
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Material Meets These Standard(s): ASTM-A322

Key Features

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1" x 8" Alloy Steel Rectangle Bar 4142-Prehardened Part # 19258

1" x 8" Alloy Steel Rectangle Bar 4142-Prehardened -
Part #: 19258
Select a Cut Size
  • 18″ (18 in.) - $965.48 ea.
  • 36″ (3 ft.) - $1,611.84 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
$965.48 for 1
$965.48 ea.
Expand Details

Dimensions

  • Thickness: 1"
  • Width: 8"
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Material Meets These Standard(s): ASTM-A322

Key Features

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1" x 10" Alloy Steel Rectangle Bar 4142-Prehardened Part # 19264

1" x 10" Alloy Steel Rectangle Bar 4142-Prehardened -
Part #: 19264
Select a Cut Size
  • 18″ (18 in.) - $1,168.23 ea.
  • 36″ (3 ft.) - $1,950.36 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
$1,168.23 for 1
$1,168.23 ea.
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Dimensions

  • Thickness: 1"
  • Width: 10"
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Material Meets These Standard(s): ASTM-A322

Key Features

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1" Alloy Steel Square Bar 4142-Prehardened Part # 19361

1" Alloy Steel Square Bar 4142-Prehardened -
Part #: 19361
Select a Cut Size
  • 18″ (18 in.) - $208.78 ea.
  • 36″ (3 ft.) - $348.53 ea.
  • 72″ (6 ft.) - $661.90 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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$208.78 for 1
$208.78 ea.
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Dimensions

  • Height: 1"
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Material Meets These Standard(s): ASTM-A322

Key Features

FREE MTR AVAILABLE
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