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Alloy Steel Flat Bar - 4140

4140 Alloy Flat Bar
4140 Alloy Flat Bar 4140 Alloy Flat Bar

4140 Alloy Steel Flat is a cold drawn annealed steel of relatively high hardenability with its chromium content provides good hardness penetration, and the molybdenum imparts uniformity of hardness and high strength. 4140 Alloy Steel Flat responds well to heat-treatment and is relatively easy to machine in the annealed condition. 4140 Alloy Steel Flat has good strength and wear resistance, excellent toughness, coupled with good ductility, and the ability to resist stress at elevated temperatures.

  • Specifications: ASTM A331, A108-13, AISI 4140
  • AKA: CDA Alloy Flat, 4140 Rectangle Bar
  • Applications: brake dies, fixtures, jigs, blades, tool holders, etc.
  • Workability: Moderate to Weld, Cut and Machine.
  • Mechanical Properties: Brinell = 197-223, Tensile = 95ksi
  • How is it Measured? Thickness (A) X Width (B) X Length
  • Available Stock Sizes: 2ft, 4ft, 6ft, 8ft, 12ft or Cut to Size

Stock lengths may vary +/- 1/4"
Please call if you need specific lengths.

WarningCalifornia Residents Warning!
Product / Size / Weight / Stock
Product / Size / Weight / Stock
Select Size & Quantity to Add to Cart
Stock #
Item Size & Description
Weight / Ft.
Select Size
QTY
Price
Add to Cart
F3141-4140 1/4" x 1"
Alloy 4140 Steel Flat - Cold Drawn Annealed
F3141-4140
1/4" x 1"
Alloy 4140 Steel Flat - Cold Drawn Annealed
0.85 lb/ft
  • Select Size
  • 3 Ft.
  • 6 Ft.
  • 12 Ft.
Select a Size 0.00
Weight: 0.85 lb/ft
Add To Cart
F314112-4140 1/4" X 1-1/2"
Alloy 4140 Steel Flat - Cold Drawn Annealed
F314112-4140
1/4" X 1-1/2"
Alloy 4140 Steel Flat - Cold Drawn Annealed
1.30 lb/ft
  • Select Size
  • 3 Ft.
  • 6 Ft.
  • 12 Ft.
Select a Size 0.00
Weight: 1.30 lb/ft
Add To Cart
F3142-4140 1/4" x 2"
Alloy 4140 Steel Flat - Cold Drawn Annealed
F3142-4140
1/4" x 2"
Alloy 4140 Steel Flat - Cold Drawn Annealed
1.70 lb/ft
  • Select Size
  • 3 Ft.
  • 6 Ft.
  • 12 Ft.
Select a Size 0.00
Weight: 1.70 lb/ft
Add To Cart
F3143-4140 1/4" x 3"
Alloy 4140 Steel Flat - Cold Drawn Annealed
F3143-4140
1/4" x 3"
Alloy 4140 Steel Flat - Cold Drawn Annealed
2.55 lb/ft
  • Select Size
  • 3 Ft.
  • 6 Ft.
  • 12 Ft.
Select a Size 0.00
Weight: 2.55 lb/ft
Add To Cart
F3381-4140 3/8" x 1"
Alloy 4140 Steel Flat - Cold Drawn Annealed
F3381-4140
3/8" x 1"
Alloy 4140 Steel Flat - Cold Drawn Annealed
1.28 lb/ft
  • Select Size
  • 3 Ft.
  • 6 Ft.
  • 12 Ft.
Select a Size 0.00
Weight: 1.28 lb/ft
Add To Cart
F338114-4140 3/8" x 1-1/4"
Alloy 4140 Steel Flat - Cold Drawn Annealed
F338114-4140
3/8" x 1-1/4"
Alloy 4140 Steel Flat - Cold Drawn Annealed
1.59 lb/ft
  • Select Size
  • 3 Ft.
  • 6 Ft.
  • 12 Ft.
Select a Size 0.00
Weight: 1.59 lb/ft
Add To Cart
F338112-4140 3/8" x 1-1/2"
Alloy 4140 Steel Flat - Cold Drawn Annealed
F338112-4140
3/8" x 1-1/2"
Alloy 4140 Steel Flat - Cold Drawn Annealed
1.92 lb/ft
  • Select Size
  • 3 Ft.
  • 6 Ft.
  • 12 Ft.
Select a Size 0.00
Weight: 1.92 lb/ft
Add To Cart
F3382-4140 3/8" x 2"
Alloy 4140 Steel Flat - Cold Drawn Annealed
F3382-4140
3/8" x 2"
Alloy 4140 Steel Flat - Cold Drawn Annealed
2.55 lb/ft
  • Select Size
  • 3 Ft.
  • 6 Ft.
  • 12 Ft.
Select a Size 0.00
Weight: 2.55 lb/ft
Add To Cart
F3383-4140 3/8" x 3"
Alloy 4140 Steel Flat - Cold Drawn Annealed
F3383-4140
3/8" x 3"
Alloy 4140 Steel Flat - Cold Drawn Annealed
3.82 lb/ft
  • Select Size
  • 3 Ft.
  • 6 Ft.
  • 12 Ft.
Select a Size 0.00
Weight: 3.82 lb/ft
Add To Cart
F3121-4140 1/2" x 1"
Alloy 4140 Steel Flat - Cold Drawn Annealed
F3121-4140
1/2" x 1"
Alloy 4140 Steel Flat - Cold Drawn Annealed
1.70 lb/ft
  • Select Size
  • 3 Ft.
  • 6 Ft.
  • 12 Ft.
Select a Size 0.00
Weight: 1.70 lb/ft
Add To Cart
F312112-4140 1/2" x 1-1/2"
Alloy 4140 Steel Flat - Cold Drawn Annealed
F312112-4140
1/2" x 1-1/2"
Alloy 4140 Steel Flat - Cold Drawn Annealed
2.55 lb/ft
  • Select Size
  • 3 Ft.
  • 6 Ft.
  • 12 Ft.
Select a Size 0.00
Weight: 2.55 lb/ft
Add To Cart
F3122-4140 1/2" x 2"
Alloy 4140 Steel Flat - Cold Drawn Annealed
F3122-4140
1/2" x 2"
Alloy 4140 Steel Flat - Cold Drawn Annealed
3.40 lb/ft
  • Select Size
  • 3 Ft.
  • 6 Ft.
  • 12 Ft.
Select a Size 0.00
Weight: 3.40 lb/ft
Add To Cart
F3123-4140 1/2" x 3"
Alloy 4140 Steel Flat - Cold Drawn Annealed
F3123-4140
1/2" x 3"
Alloy 4140 Steel Flat - Cold Drawn Annealed
5.10 lb/ft
  • Select Size
  • 3 Ft.
  • 6 Ft.
  • 12 Ft.
Select a Size 0.00
Weight: 5.10 lb/ft
Add To Cart
F3124-4140 1/2" x 4"
Alloy 4140 Steel Flat - Cold Drawn Annealed
F3124-4140
1/2" x 4"
Alloy 4140 Steel Flat - Cold Drawn Annealed
6.80 lb/ft
  • Select Size
  • 3 Ft.
  • 6 Ft.
  • 12 Ft.
Select a Size 0.00
Weight: 6.80 lb/ft
Add To Cart
F3126-4140 1/2" x 6"
Alloy 4140 Steel Flat - Cold Drawn Annealed
F3126-4140
1/2" x 6"
Alloy 4140 Steel Flat - Cold Drawn Annealed
10.20 lb/ft
  • Select Size
  • 3 Ft.
  • 6 Ft.
  • 12 Ft.
  • or Cut to Size
Select a Size 0.00
Weight: 10.20 lb/ft
Add To Cart
F3341-4140 3/4" x 1"
Alloy 4140 Steel Flat - Cold Drawn Annealed
F3341-4140
3/4" x 1"
Alloy 4140 Steel Flat - Cold Drawn Annealed
2.55 lb/ft
  • Select Size
  • 3 Ft.
  • 6 Ft.
  • 12 Ft.
Select a Size 0.00
Weight: 2.55 lb/ft
Add To Cart
F334112-4140 3/4" x 1-1/2"
Alloy 4140 Steel Flat - Cold Drawn Annealed
F334112-4140
3/4" x 1-1/2"
Alloy 4140 Steel Flat - Cold Drawn Annealed
3.83 lb/ft
  • Select Size
  • 3 Ft.
  • 6 Ft.
  • 12 Ft.
Select a Size 0.00
Weight: 3.83 lb/ft
Add To Cart
F3342-4140 3/4" x 2"
Alloy 4140 Steel Flat - Cold Drawn Annealed
F3342-4140
3/4" x 2"
Alloy 4140 Steel Flat - Cold Drawn Annealed
5.10 lb/ft
  • Select Size
  • 3 Ft.
  • 6 Ft.
  • 12 Ft.
Select a Size 0.00
Weight: 5.10 lb/ft
Add To Cart
F3343-4140 3/4" x 3"
Alloy 4140 Steel Flat - Cold Drawn Annealed
F3343-4140
3/4" x 3"
Alloy 4140 Steel Flat - Cold Drawn Annealed
7.65 lb/ft
  • Select Size
  • 3 Ft.
  • 6 Ft.
  • 12 Ft.
Select a Size 0.00
Weight: 7.65 lb/ft
Add To Cart
F3344-4140 3/4" x 4"
Alloy 4140 Steel Flat - Cold Drawn Annealed
F3344-4140
3/4" x 4"
Alloy 4140 Steel Flat - Cold Drawn Annealed
10.20 lb/ft
  • Select Size
  • 3 Ft.
  • 6 Ft.
  • 12 Ft.
Select a Size 0.00
Weight: 10.20 lb/ft
Add To Cart
F3346-4140 3/4" x 6"
Alloy 4140 Steel Flat - Cold Drawn Annealed
F3346-4140
3/4" x 6"
Alloy 4140 Steel Flat - Cold Drawn Annealed
15.30 lb/ft
  • Select Size
  • 3 Ft.
  • 6 Ft.
  • 12 Ft.
Select a Size 0.00
Weight: 15.30 lb/ft
Add To Cart
F31112-4140 1" x 1-1/2"
Alloy 4140 Steel Flat - Cold Drawn Annealed
F31112-4140
1" x 1-1/2"
Alloy 4140 Steel Flat - Cold Drawn Annealed
5.10 lb/ft
  • Select Size
  • 3 Ft.
  • 6 Ft.
  • 12 Ft.
Select a Size 0.00
Weight: 5.10 lb/ft
Add To Cart
F312-4140 1" x 2"
Alloy 4140 Steel Flat - Cold Drawn Annealed
F312-4140
1" x 2"
Alloy 4140 Steel Flat - Cold Drawn Annealed
6.80 lb/ft
  • Select Size
  • 3 Ft.
  • 6 Ft.
  • 12 Ft.
Select a Size 0.00
Weight: 6.80 lb/ft
Add To Cart
F313-4140 1" x 3"
Alloy 4140 Steel Flat - Cold Drawn Annealed
F313-4140
1" x 3"
Alloy 4140 Steel Flat - Cold Drawn Annealed
10.20 lb/ft
  • Select Size
  • 3 Ft.
  • 6 Ft.
  • 12 Ft.
Select a Size 0.00
Weight: 10.20 lb/ft
Add To Cart
F314-4140 1" x 4"
Alloy 4140 Steel Flat - Cold Drawn Annealed
F314-4140
1" x 4"
Alloy 4140 Steel Flat - Cold Drawn Annealed
13.60 lb/ft
  • Select Size
  • 3 Ft.
  • 6 Ft.
  • 12 Ft.
Select a Size 0.00
Weight: 13.60 lb/ft
Add To Cart
F316-4140 1" x 6"
Alloy 4140 Steel Flat - Cold Drawn Annealed
F316-4140
1" x 6"
Alloy 4140 Steel Flat - Cold Drawn Annealed
20.40 lb/ft
  • Select Size
  • 3 Ft.
  • 6 Ft.
  • 12 Ft.
  • or Cut to Size
Select a Size 0.00
Weight: 20.40 lb/ft
Add To Cart
F318-4140 1" x 8"
Alloy 4140 Steel Flat - DCF Annealed
F318-4140
1" x 8"
Alloy 4140 Steel Flat - DCF Annealed
27.20 lb/ft
  • Select Size
  • 3 Ft.
  • 6 Ft.
  • or Cut to Size
Select a Size 0.00
Weight: 27.20 lb/ft
Add To Cart
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