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4140 Alloy Round Bar

4140 Alloy Round Bar
4140 Alloy Round Bar 4140 Alloy Round Bar

4140 Alloy Steel Round, 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 Round responds well to heat-treatment and is relatively easy to machine in the annealed condition. 4140 Alloy Steel Round 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 Round, Alloy steel shaft
  • Applications: shafts, axles, bolts, sprockets, piston rods, rams, etc.
  • Workability: Moderate to Weld, Cut and Machine.
  • Mechanical Properties: Brinell = 197-212, Tensile = 95ksi,
  • How is it Measured? Diameter (A) 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
R214-4140 1/4 inch
Alloy 4140 Steel Round - Cold Drawn Annealed
R214-4140
1/4 inch
Alloy 4140 Steel Round - Cold Drawn Annealed
1.00 lb/ft
  • Select Size
  • 2 Ft.
  • 4 Ft.
  • 6 Ft.
  • 12 Ft.
  • or Cut to Size
Select a Size 0.00
Weight: 1.00 lb/ft
Add To Cart
R238-4140 3/8 inch
Alloy 4140 Steel Round - Cold Drawn Annealed
R238-4140
3/8 inch
Alloy 4140 Steel Round - Cold Drawn Annealed
0.38 lb/ft
  • Select Size
  • 2 Ft.
  • 4 Ft.
  • 6 Ft.
  • 12 Ft.
  • or Cut to Size
Select a Size 0.00
Weight: 0.38 lb/ft
Add To Cart
R212-4140 1/2 inch
Alloy 4140 Steel Round - Cold Drawn Annealed
R212-4140
1/2 inch
Alloy 4140 Steel Round - Cold Drawn Annealed
0.66 lb/ft
  • Select Size
  • 2 Ft.
  • 4 Ft.
  • 6 Ft.
  • 12 Ft.
  • or Cut to Size
Select a Size 0.00
Weight: 0.66 lb/ft
Add To Cart
R258-4140 5/8 inch
Alloy 4140 Steel Round - Cold Drawn Annealed
R258-4140
5/8 inch
Alloy 4140 Steel Round - Cold Drawn Annealed
1.04 lb/ft
  • Select Size
  • 2 Ft.
  • 4 Ft.
  • 6 Ft.
  • 12 Ft.
  • or Cut to Size
Select a Size 0.00
Weight: 1.04 lb/ft
Add To Cart
R234-4141 3/4 inch
Alloy 4140 Steel Round - Cold Drawn Annealed
R234-4141
3/4 inch
Alloy 4140 Steel Round - Cold Drawn Annealed
1.50 lb/ft
  • Select Size
  • 2 Ft.
  • 4 Ft.
  • 6 Ft.
  • 12 Ft.
  • or Cut to Size
Select a Size 0.00
Weight: 1.50 lb/ft
Add To Cart
R278-4140 7/8 inch
Alloy 4140 Steel Round - Cold Drawn Annealed
R278-4140
7/8 inch
Alloy 4140 Steel Round - Cold Drawn Annealed
2.05 lb/ft
  • Select Size
  • 2 Ft.
  • 4 Ft.
  • 6 Ft.
  • 12 Ft.
  • or Cut to Size
Select a Size 0.00
Weight: 2.05 lb/ft
Add To Cart
R21516-4140 15/16 inch
Alloy 4140 Steel Round - Cold Drawn Annealed
R21516-4140
15/16 inch
Alloy 4140 Steel Round - Cold Drawn Annealed
2.50 lb/ft
  • Select Size
  • 2 Ft.
  • 4 Ft.
  • 6 Ft.
  • 12 Ft.
  • or Cut to Size
Select a Size 0.00
Weight: 2.50 lb/ft
Add To Cart
R21-4140 1 inch
Alloy 4140 Steel Round - Cold Drawn Annealed
R21-4140
1 inch
Alloy 4140 Steel Round - Cold Drawn Annealed
2.67 lb/ft
  • Select Size
  • 2 Ft.
  • 4 Ft.
  • 6 Ft.
  • 12 Ft.
  • or Cut to Size
Select a Size 0.00
Weight: 2.67 lb/ft
Add To Cart
R2118-4140 1-1/8 inch
Alloy 4140 Steel Round - Cold Drawn Annealed
R2118-4140
1-1/8 inch
Alloy 4140 Steel Round - Cold Drawn Annealed
3.38 lb/ft
  • Select Size
  • 2 Ft.
  • 4 Ft.
  • 6 Ft.
  • 12 Ft.
  • or Cut to Size
Select a Size 0.00
Weight: 3.38 lb/ft
Add To Cart
R2114-4140 1-1/4 inch
Alloy 4140 Steel Round - Cold Drawn Annealed
R2114-4140
1-1/4 inch
Alloy 4140 Steel Round - Cold Drawn Annealed
4.18 lb/ft
  • Select Size
  • 2 Ft.
  • 4 Ft.
  • 6 Ft.
  • 12 Ft.
  • or Cut to Size
Select a Size 0.00
Weight: 4.18 lb/ft
Add To Cart
R2138-4140 1-3/8 inch
Alloy 4140 Steel Round - Cold Drawn Annealed
R2138-4140
1-3/8 inch
Alloy 4140 Steel Round - Cold Drawn Annealed
5.04 lb/ft
  • Select Size
  • 2 Ft.
  • 4 Ft.
  • 6 Ft.
  • 12 Ft.
  • or Cut to Size
Select a Size 0.00
Weight: 5.04 lb/ft
Add To Cart
R2112-4140 1-1/2 inch
Alloy 4140 Steel Round - Cold Drawn Annealed
R2112-4140
1-1/2 inch
Alloy 4140 Steel Round - Cold Drawn Annealed
6.01 lb/ft
  • Select Size
  • 2 Ft.
  • 4 Ft.
  • 6 Ft.
  • 12 Ft.
  • or Cut to Size
Select a Size 0.00
Weight: 6.01 lb/ft
Add To Cart
R2158-4140 1-5/8 inch
Alloy 4140 Steel Round - Cold Drawn Annealed
R2158-4140
1-5/8 inch
Alloy 4140 Steel Round - Cold Drawn Annealed
7.05 lb/ft
  • Select Size
  • 2 Ft.
  • 4 Ft.
  • 6 Ft.
  • 12 Ft.
  • or Cut to Size
Select a Size 0.00
Weight: 7.05 lb/ft
Add To Cart
R2134-4140 1-3/4 inch
Alloy 4140 Steel Round - Cold Drawn Annealed
R2134-4140
1-3/4 inch
Alloy 4140 Steel Round - Cold Drawn Annealed
8.18 lb/ft
  • Select Size
  • 1 Ft.
  • 2 Ft.
  • 4 Ft.
  • 6 Ft.
  • 12 Ft.
  • or Cut to Size
Select a Size 0.00
Weight: 8.18 lb/ft
Add To Cart
R2178-4140 1-7/8 inch
Alloy 4140 Steel Round - Cold Drawn Annealed
R2178-4140
1-7/8 inch
Alloy 4140 Steel Round - Cold Drawn Annealed
9.39 lb/ft
  • Select Size
  • 2 Ft.
  • 4 Ft.
  • 6 Ft.
  • 12 Ft.
  • or Cut to Size
Select a Size 0.00
Weight: 9.39 lb/ft
Add To Cart
R22-4140 2 inch
Alloy 4140 Steel Round - Cold Drawn Annealed
R22-4140
2 inch
Alloy 4140 Steel Round - Cold Drawn Annealed
10.68 lb/ft
  • Select Size
  • 1 Ft.
  • 2 Ft.
  • 4 Ft.
  • 6 Ft.
  • 12 Ft.
  • or Cut to Size
Select a Size 0.00
Weight: 10.68 lb/ft
Add To Cart
R2212-4140 2-1/2 inch
Alloy 4140 Steel Round - Cold Drawn Annealed
R2212-4140
2-1/2 inch
Alloy 4140 Steel Round - Cold Drawn Annealed
16.69 lb/ft
  • Select Size
  • 2 Ft.
  • 4 Ft.
  • 6 Ft.
  • 12 Ft.
  • or Cut to Size
Select a Size 0.00
Weight: 16.69 lb/ft
Add To Cart
R23-4140 3 inch
Alloy 4140 Steel Round - Cold Drawn Annealed
R23-4140
3 inch
Alloy 4140 Steel Round - Cold Drawn Annealed
24.03 lb/ft
  • Select Size
  • 2 Ft.
  • 4 Ft.
  • 6 Ft.
  • 12 Ft.
  • or Cut to Size
Select a Size 0.00
Weight: 24.03 lb/ft
Add To Cart
R24-4140 4 inch
Alloy 4140 Steel Round - Cold Drawn Annealed
R24-4140
4 inch
Alloy 4140 Steel Round - Cold Drawn Annealed
43.82 lb/ft
  • Select Size
  • 2 Ft.
  • 4 Ft.
  • 6 Ft.
  • 12 Ft.
  • or Cut to Size
Select a Size 0.00
Weight: 43.82 lb/ft
Add To Cart
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