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Alloy Steel
Alloy Steel Sheet Plate

Alloy Steel Sheet Plate

-101 Products

Alloy Steel Product Guide

| Alloy Steel Sheet/Plate Tolerances

Alloy Steel Sheet/Plate is used for a variety of applications including automotive, aerospace, construction, industrial, and more. 4130 Steel Sheet/Plate and 4340 steel sheet/plate stock is available in full size and custom cut lengths.

Alloy Steel Sheet/Plate is available in 4130 Annealed, 4130 Normalized and 4340 Annealed.

We also carry Steel Plate in: Carbon Steel and Stainless Steel

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

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Precision Ground 4130 Alloy Steel Blanks

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%7B%22item_id%22%3A%22mp-00000328%22%2C%22item_name%22%3A%22.375%5C%22+Alloy+Steel+4140+Precision+Ground%2FMilled+Blanks%22%2C%22item_brand%22%3A%22%22%2C%22item_category%22%3A%22Alloy+Steel%22%2C%22item_category2%22%3A%22Sheet%2FPlate%22%2C%22item_category3%22%3A%224140%22%2C%22item_category4%22%3A%22%22%2C%22item_category5%22%3A%22%22%2C%22item_category6%22%3A%22true%2Ftrue%22%2C%22item_category7%22%3A%22%22%2C%22item_category8%22%3A%22true%22%2C%22item_category9%22%3A%22false%22%2C%22item_list_id%22%3A%22%22%2C%22item_list_name%22%3A%22%22%2C%22item_variant%22%3A%22%22%2C%22price%22%3A%22%22%2C%22quantity%22%3A%22%22%7D

.375" Alloy Steel 4140 Precision Ground/Milled Blanks -
Part #: mp-00000328

.375" Alloy Steel 4140 Precision Ground/Milled Blanks -

Part #: mp-00000328

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Dimensions

Ships In: 1-3 Days
Thickness: 0.375"
Tolerance: All Dimensions +/- .002˝

See all available dimensions for this product

Select a Cut Size for Price Select a Cut Size

2.0″ X 11.75″ (2.0 X 11.75 in.) - $96.76 ea.
4.0″ X 11.75″ (4.0 X 11.75 in.) - $144.19 ea.
6.0″ X 5.75″ (6.0 X 5.75 in.) - $114.68 ea.
6.0″ X 11.75″ (6.0 X 11.75 in.) - $198.35 ea.
12.0″ X 11.75″ (12.0 X 11.75 in.) - $365.88 ea.

Save on shipping!

You can select smaller lengths and switch from freight to standard shipping and save!

How does selecting smaller lengths reduce shipping costs?

Reducing your order from an oversize item that requires expensive freight services to a smaller bundle makes it eligible for less expensive (and faster!) standard shipping services.

*Material tolerances will remain +/- 0.125".

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

$96.76 ea.

$96.76 for 1

Buy More & Save up to 10% !

Qty

Price ea.

Savings

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2-4

$93.86

5-9

$91.92

10+

$87.08

10%

Less

Sold and shipped by TCI Precision Metals

%7B%22item_id%22%3A%22mp-00000335%22%2C%22item_name%22%3A%22.500%5C%22+Alloy+Steel+4140+Precision+Ground%2FMilled+Blanks%22%2C%22item_brand%22%3A%22%22%2C%22item_category%22%3A%22Alloy+Steel%22%2C%22item_category2%22%3A%22Sheet%2FPlate%22%2C%22item_category3%22%3A%224140%22%2C%22item_category4%22%3A%22%22%2C%22item_category5%22%3A%22%22%2C%22item_category6%22%3A%22true%2Ftrue%22%2C%22item_category7%22%3A%22%22%2C%22item_category8%22%3A%22true%22%2C%22item_category9%22%3A%22false%22%2C%22item_list_id%22%3A%22%22%2C%22item_list_name%22%3A%22%22%2C%22item_variant%22%3A%22%22%2C%22price%22%3A%22%22%2C%22quantity%22%3A%22%22%7D

.500" Alloy Steel 4140 Precision Ground/Milled Blanks -
Part #: mp-00000335

.500" Alloy Steel 4140 Precision Ground/Milled Blanks -

Part #: mp-00000335

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Dimensions

Ships In: 1-3 Days
Thickness: 0.5"
Tolerance: All Dimensions +/- .002˝

See all available dimensions for this product

Select a Cut Size for Price Select a Cut Size

2.0″ X 11.75″ (2.0 X 11.75 in.) - $90.30 ea.
4.0″ X 11.75″ (4.0 X 11.75 in.) - $141.69 ea.
6.0″ X 5.75″ (6.0 X 5.75 in.) - $113.56 ea.
6.0″ X 11.75″ (6.0 X 11.75 in.) - $196.11 ea.
12.0″ X 11.75″ (12.0 X 11.75 in.) - $358.76 ea.

Save on shipping!

You can select smaller lengths and switch from freight to standard shipping and save!

How does selecting smaller lengths reduce shipping costs?

Best shipping value:

Single Heat Lot Required

Why are heat lots important?

QTY

$90.30 ea.

$90.30 for 1

Buy More & Save up to 10% !

Qty

Price ea.

Savings

[{"min":"2","max":"4","price":"87.59","dqty":"2-4","dprice":"$87.59","dsaving":"3%","isSelected":null},{"min":"5","max":"9","price":"85.79","dqty":"5-9","dprice":"$85.79","dsaving":"4%","isSelected":null},{"min":"10","max":"9999","price":"81.27","dqty":"10+","dprice":"$81.27","dsaving":"10%","isSelected":null}]

2-4

$87.59

5-9

$85.79

10+

$81.27

10%

Less

Sold and shipped by TCI Precision Metals

%7B%22item_id%22%3A%22mp-00000219%22%2C%22item_name%22%3A%221.000%5C%22+Alloy+Steel+4140+Precision+Ground%2FMilled+Blanks%22%2C%22item_brand%22%3A%22%22%2C%22item_category%22%3A%22Alloy+Steel%22%2C%22item_category2%22%3A%22Sheet%2FPlate%22%2C%22item_category3%22%3A%224140%22%2C%22item_category4%22%3A%22%22%2C%22item_category5%22%3A%22%22%2C%22item_category6%22%3A%22true%2Ftrue%22%2C%22item_category7%22%3A%22%22%2C%22item_category8%22%3A%22true%22%2C%22item_category9%22%3A%22false%22%2C%22item_list_id%22%3A%22%22%2C%22item_list_name%22%3A%22%22%2C%22item_variant%22%3A%22%22%2C%22price%22%3A%22%22%2C%22quantity%22%3A%22%22%7D

1.000" Alloy Steel 4140 Precision Ground/Milled Blanks -
Part #: mp-00000219

1.000" Alloy Steel 4140 Precision Ground/Milled Blanks -

Part #: mp-00000219

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Dimensions

Thickness: 1"
Tolerance: All Dimensions +/- .002˝
Ships In: 2 Business Days

See all available dimensions for this product

Select a Cut Size for Price Select a Cut Size

2.0″ X 11.75″ (2.0 X 11.75 in.) - $70.39 ea.
4.0″ X 11.75″ (4.0 X 11.75 in.) - $113.02 ea.
6.0″ X 5.75″ (6.0 X 5.75 in.) - $181.22 ea.
6.0″ X 11.75″ (6.0 X 11.75 in.) - $337.13 ea.
12.0″ X 11.75″ (12.0 X 11.75 in.) - $628.69 ea.

Save on shipping!

You can select smaller lengths and switch from freight to standard shipping and save!

How does selecting smaller lengths reduce shipping costs?

Best shipping value:

Single Heat Lot Required

Why are heat lots important?

QTY

$70.39 ea.

$70.39 for 1

Buy More & Save up to 10% !

Qty

Price ea.

Savings

[{"min":"2","max":"4","price":"68.28","dqty":"2-4","dprice":"$68.28","dsaving":"2%","isSelected":null},{"min":"5","max":"9","price":"66.87","dqty":"5-9","dprice":"$66.87","dsaving":"5%","isSelected":null},{"min":"10","max":"9999","price":"63.35","dqty":"10+","dprice":"$63.35","dsaving":"10%","isSelected":null}]

2-4

$68.28

5-9

$66.87

10+

$63.35

10%

Less

Sold and shipped by TCI Precision Metals

%7B%22item_id%22%3A%22mp-00000312%22%2C%22item_name%22%3A%22.750%5C%22+Alloy+Steel+4140+Precision+Ground%2FMilled+Blanks%22%2C%22item_brand%22%3A%22%22%2C%22item_category%22%3A%22Alloy+Steel%22%2C%22item_category2%22%3A%22Sheet%2FPlate%22%2C%22item_category3%22%3A%224140%22%2C%22item_category4%22%3A%22%22%2C%22item_category5%22%3A%22%22%2C%22item_category6%22%3A%22true%2Ftrue%22%2C%22item_category7%22%3A%22%22%2C%22item_category8%22%3A%22true%22%2C%22item_category9%22%3A%22false%22%2C%22item_list_id%22%3A%22%22%2C%22item_list_name%22%3A%22%22%2C%22item_variant%22%3A%22%22%2C%22price%22%3A%22%22%2C%22quantity%22%3A%22%22%7D

.750" Alloy Steel 4140 Precision Ground/Milled Blanks -
Part #: mp-00000312

.750" Alloy Steel 4140 Precision Ground/Milled Blanks -

Part #: mp-00000312

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Dimensions

Ships In: 1-3 Days
Thickness: 0.75"
Tolerance: All Dimensions +/- .002˝

See all available dimensions for this product

Select a Cut Size for Price Select a Cut Size

2.0″ X 11.75″ (2.0 X 11.75 in.) - $107.54 ea.
4.0″ X 11.75″ (4.0 X 11.75 in.) - $163.52 ea.
6.0″ X 5.75″ (6.0 X 5.75 in.) - $126.31 ea.
6.0″ X 11.75″ (6.0 X 11.75 in.) - $221.61 ea.
12.0″ X 11.75″ (12.0 X 11.75 in.) - $412.09 ea.

Save on shipping!

You can select smaller lengths and switch from freight to standard shipping and save!

How does selecting smaller lengths reduce shipping costs?

Best shipping value:

Single Heat Lot Required

Why are heat lots important?

QTY

$107.54 ea.

$107.54 for 1

Buy More & Save up to 9% !

Qty

Price ea.

Savings

[{"min":"2","max":"4","price":"104.31","dqty":"2-4","dprice":"$104.31","dsaving":"3%","isSelected":null},{"min":"5","max":"9","price":"102.16","dqty":"5-9","dprice":"$102.16","dsaving":"5%","isSelected":null},{"min":"10","max":"9999","price":"96.79","dqty":"10+","dprice":"$96.79","dsaving":"9%","isSelected":null}]

2-4

$104.31

5-9

$102.16

10+

$96.79

Less

Sold and shipped by TCI Precision Metals

1 1/8" Alloy Steel Plate 4140-Annealed -
Part #: 27605

1 1/8" Alloy Steel Plate 4140-Annealed-

Part #: 27605

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alloy-steel-sheet-4130-annealed-1superZoom

Dimensions

Thickness: 1.125"
Ships In: 6-8 Buisness Days

See all available dimensions for this product

Pricing and availability for this item changes frequently. Contact us now for a fast quote.

1 1/4" Alloy Steel Plate 4140-Annealed -
Part #: 27511

1 1/4" Alloy Steel Plate 4140-Annealed-

Part #: 27511

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Dimensions

Thickness: 1.25"
Ships In: 6-8 Buisness Days

See all available dimensions for this product

Pricing and availability for this item changes frequently. Contact us now for a fast quote.

1 1/4" Alloy Steel Plate 4340 Annealed -
Part #: 28786

1 1/4" Alloy Steel Plate 4340 Annealed-

Part #: 28786

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Dimensions

Thickness: 1.25"
Ships In: 5-7 Business Days

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Pricing and availability for this item changes frequently. Contact us now for a fast quote.

1 1/2" Alloy Steel Plate 4340 Annealed -
Part #: 25343

1 1/2" Alloy Steel Plate 4340 Annealed-

Part #: 25343

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Dimensions

Thickness: 1.5"
Ships In: 5-7 Business Days

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Pricing and availability for this item changes frequently. Contact us now for a fast quote.

1 1/2" Alloy Steel Plate 4130-Annealed -
Part #: 21763

1 1/2" Alloy Steel Plate 4130-Annealed-

Part #: 21763

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Dimensions

Thickness: 1.5"
Ships In: 5-7 Business Days

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Pricing and availability for this item changes frequently. Contact us now for a fast quote.

1 1/2" Alloy Steel Plate 4140-Annealed -
Part #: 27512

1 1/2" Alloy Steel Plate 4140-Annealed-

Part #: 27512

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Dimensions

Thickness: 1.5"
Ships In: 6-8 Buisness Days

See all available dimensions for this product

Pricing and availability for this item changes frequently. Contact us now for a fast quote.

%7B%22item_id%22%3A%2221772%22%2C%22item_name%22%3A%221+3%2F4%5C%22+Alloy+Steel+Plate+4130-Annealed%22%2C%22item_brand%22%3A%22%22%2C%22item_category%22%3A%22Alloy+Steel%22%2C%22item_category2%22%3A%22Sheet%2FPlate%22%2C%22item_category3%22%3A%224130%22%2C%22item_category4%22%3A%22Annealed%22%2C%22item_category5%22%3A%22%22%2C%22item_category6%22%3A%22%2F%22%2C%22item_category7%22%3A%22%22%2C%22item_category8%22%3A%22false%22%2C%22item_category9%22%3A%22false%22%2C%22item_list_id%22%3A%22%22%2C%22item_list_name%22%3A%22%22%2C%22item_variant%22%3A%22%22%2C%22price%22%3A%22%22%2C%22quantity%22%3A%22%22%7D

1 3/4" Alloy Steel Plate 4130-Annealed -
Part #: 21772

1 3/4" Alloy Steel Plate 4130-Annealed -

Part #: 21772

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Dimensions

Thickness: 1.75"
Ships In: 5-7 Business Days

See all available dimensions for this product

Select a Cut Size for Price Select a Cut Size

12″ X 12″ (1 X 1 ft.) - $849.64 ea.

Save on shipping!

You can select smaller lengths and switch from freight to standard shipping and save!

How does selecting smaller lengths reduce shipping costs?

Best shipping value:

Single Heat Lot Required

Why are heat lots important?

QTY

$849.64 ea.

$849.64 for 1

1 3/4" Alloy Steel Plate 4340 Annealed -
Part #: 27598

1 3/4" Alloy Steel Plate 4340 Annealed-

Part #: 27598

Click for more details

Dimensions

Thickness: 1.75"

See all available dimensions for this product

Pricing and availability for this item changes frequently. Contact us now for a fast quote.

%7B%22item_id%22%3A%2220350%22%2C%22item_name%22%3A%222%5C%22+Alloy+Steel+Plate+4130-Annealed%22%2C%22item_brand%22%3A%22%22%2C%22item_category%22%3A%22Alloy+Steel%22%2C%22item_category2%22%3A%22Sheet%2FPlate%22%2C%22item_category3%22%3A%224130%22%2C%22item_category4%22%3A%22Annealed%22%2C%22item_category5%22%3A%22%22%2C%22item_category6%22%3A%22%2F%22%2C%22item_category7%22%3A%22%22%2C%22item_category8%22%3A%22false%22%2C%22item_category9%22%3A%22false%22%2C%22item_list_id%22%3A%22%22%2C%22item_list_name%22%3A%22%22%2C%22item_variant%22%3A%22%22%2C%22price%22%3A%22%22%2C%22quantity%22%3A%22%22%7D

2" Alloy Steel Plate 4130-Annealed -
Part #: 20350

2" Alloy Steel Plate 4130-Annealed -

Part #: 20350

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Dimensions

Thickness: 2"
Ships In: 5-7 Business Days

See all available dimensions for this product

Select a Cut Size for Price Select a Cut Size

12″ X 12″ (1 X 1 ft.) - $1,464.00 ea.
12″ X 24″ (1 X 2 ft.) - $2,241.89 ea.
12″ X 36″ (1 X 3 ft.) - $3,115.20 ea.
18″ X 18″ (18 X 18 in.) - $2,330.43 ea.
24″ X 24″ (2 X 2 ft.) - $3,448.56 ea.
24″ X 36″ (2 X 3 ft.) - $2,868.49 ea.
36″ X 36″ (3 X 3 ft.) - $4,104.22 ea.
36″ X 48″ (3 X 4 ft.) - $5,661.00 ea.
36″ X 72″ (3 X 6 ft.) - $7,270.55 ea.

Save on shipping!

You can select smaller lengths and switch from freight to standard shipping and save!

How does selecting smaller lengths reduce shipping costs?

Best shipping value:

Single Heat Lot Required

Why are heat lots important?

QTY

$1,464.00 ea.

$1,464.00 for 1

2" Alloy Steel Plate 4340 Annealed -
Part #: 25344

2" Alloy Steel Plate 4340 Annealed-

Part #: 25344

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Dimensions

Thickness: 2"
Ships In: 5-7 Business Days

See all available dimensions for this product

Pricing and availability for this item changes frequently. Contact us now for a fast quote.

2 1/4" Alloy Steel Plate 4140-Annealed -
Part #: 28052

2 1/4" Alloy Steel Plate 4140-Annealed-

Part #: 28052

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Dimensions

Thickness: 2.25"
Ships In: 6-8 Buisness Days

See all available dimensions for this product

Pricing and availability for this item changes frequently. Contact us now for a fast quote.

%7B%22item_id%22%3A%2226417%22%2C%22item_name%22%3A%222+1%2F2%5C%22+Alloy+Steel+Plate+4130%22%2C%22item_brand%22%3A%22%22%2C%22item_category%22%3A%22Alloy+Steel%22%2C%22item_category2%22%3A%22Sheet%2FPlate%22%2C%22item_category3%22%3A%224130%22%2C%22item_category4%22%3A%22%22%2C%22item_category5%22%3A%22%22%2C%22item_category6%22%3A%22%2F%22%2C%22item_category7%22%3A%22%22%2C%22item_category8%22%3A%22false%22%2C%22item_category9%22%3A%22false%22%2C%22item_list_id%22%3A%22%22%2C%22item_list_name%22%3A%22%22%2C%22item_variant%22%3A%22%22%2C%22price%22%3A%22%22%2C%22quantity%22%3A%22%22%7D

2 1/2" Alloy Steel Plate 4130 -
Part #: 26417

2 1/2" Alloy Steel Plate 4130 -

Part #: 26417

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Dimensions

Thickness: 2.5"
Ships In: 5-7 Business Days

See all available dimensions for this product

Select a Cut Size for Price Select a Cut Size

12″ X 12″ (1 X 1 ft.) - $1,176.01 ea.
12″ X 24″ (1 X 2 ft.) - $2,372.31 ea.
12″ X 36″ (1 X 3 ft.) - $3,392.93 ea.
24″ X 24″ (2 X 2 ft.) - $4,303.24 ea.
24″ X 36″ (2 X 3 ft.) - $5,461.81 ea.
24″ X 48″ (2 X 4 ft.) - $7,061.73 ea.
36″ X 36″ (3 X 3 ft.) - $7,696.18 ea.
36″ X 48″ (3 X 4 ft.) - $9,930.56 ea.

Save on shipping!

You can select smaller lengths and switch from freight to standard shipping and save!

How does selecting smaller lengths reduce shipping costs?

Best shipping value:

Single Heat Lot Required

Why are heat lots important?

QTY

$1,176.01 ea.

$1,176.01 for 1

2 1/2" Alloy Steel Plate 4140-Annealed -
Part #: 28859

2 1/2" Alloy Steel Plate 4140-Annealed-

Part #: 28859

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Dimensions

Thickness: 2.5"
Ships In: 6-8 Buisness Days

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2 1/2" Alloy Steel Plate 4340 -
Part #: 28960

2 1/2" Alloy Steel Plate 4340-

Part #: 28960

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Dimensions

Thickness: 2.5"
Ships In: 5-7 Business Days

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2 3/4" Alloy Steel Plate 4340 Annealed -
Part #: 28997

2 3/4" Alloy Steel Plate 4340 Annealed-

Part #: 28997

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Dimensions

Thickness: 2.75"
Ships In: 5-7 Business Days

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3" Alloy Steel Plate 4340 Annealed -
Part #: 25345

3" Alloy Steel Plate 4340 Annealed-

Part #: 25345

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Dimensions

Thickness: 3"
Ships In: 5-7 Business Days

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3" Alloy Steel Plate 4130-Annealed -
Part #: 22979

3" Alloy Steel Plate 4130-Annealed -

Part #: 22979

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Dimensions

Thickness: 3"
Ships In: 5-7 Business Days

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Select a Cut Size for Price Select a Cut Size

12″ X 12″ (1 X 1 ft.) - $1,659.31 ea.
12″ X 24″ (1 X 2 ft.) - $3,318.63 ea.
12″ X 36″ (1 X 3 ft.) - $4,898.52 ea.
24″ X 24″ (2 X 2 ft.) - $6,425.45 ea.
24″ X 36″ (2 X 3 ft.) - $9,479.29 ea.
36″ X 48″ (3 X 4 ft.) - $16,643.62 ea.

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QTY

$1,659.31 ea.

$1,659.31 for 1

3" Alloy Steel Plate 4140-Annealed -
Part #: 28459

3" Alloy Steel Plate 4140-Annealed-

Part #: 28459

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Dimensions

Thickness: 3"
Ships In: 6-8 Buisness Days

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3" Alloy Steel Plate 4130-Normalized -
Part #: 28878

3" Alloy Steel Plate 4130-Normalized-

Part #: 28878

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Dimensions

Thickness: 3"
Ships In: 5-7 Business Days

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3 1/4" Alloy Steel Plate 4140-Annealed -
Part #: 28876

3 1/4" Alloy Steel Plate 4140-Annealed-

Part #: 28876

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Dimensions

Thickness: 3.25"
Ships In: 6-8 Buisness Days

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3 1/2" Alloy Steel Plate 4340 Annealed -
Part #: 25657

3 1/2" Alloy Steel Plate 4340 Annealed-

Part #: 25657

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Dimensions

Thickness: 3.5"
Ships In: 5-7 Business Days

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