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Alloy Steel Round Bar 4130
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Alloy Steel Round Bar 4130 is highly versatile and used for a wide range of applications including automotive, aerospace, bicycling, construction, and firearm projects. 4130 steel offers good strength, weldability, impact and abrasion resistance while also being easy to machine. 4130 steel round bar/rod stock is available in full size and custom cut lengths.
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SALE!
Huge Savings on Overstock Lengths - Ships from CA
- Dia. 0.125"
Alloy Steel Round Bar 4130-Normalized Cold Finish
Select...
- 12″ (1 ft.) - $3.00 ea.
- 24″ (2 ft.) - $3.12 ea.
-
36″ (3 ft.)
- $3.63 ea.
- 48″ (4 ft.) - $3.99 ea.
- 72″ (6 ft.) - $5.99 ea.
- 96″ (8 ft.) - $8.79 ea.
- 144″ (12 ft.) - $11.98 ea.
- Custom Cut
Starting at
$3.00
$3.00
$3.00 ea.
- Dia. 0.5"
Alloy Steel Round Bar 4130-Normalized Cold Finish
Select...
- 12″ (1 ft.) - $11.42 ea.
- 24″ (2 ft.) - $21.93 ea.
-
36″ (3 ft.)
- $31.53 ea.
- 48″ (4 ft.) - $40.21 ea.
- 72″ (6 ft.) - $54.83 ea.
- 96″ (8 ft.) - $80.42 ea.
- 144″ (12 ft.) - $109.66 ea.
- Custom Cut
Starting at
$11.42
$11.42
$11.42 ea.
- Dia. 0.4375"
Alloy Steel Round Bar 4130-Normalized Cold Finish
Select...
- 12″ (1 ft.) - $12.38 ea.
- 24″ (2 ft.) - $24.31 ea.
-
36″ (3 ft.)
- $35.87 ea.
- 48″ (4 ft.) - $47.02 ea.
- 72″ (6 ft.) - $68.32 ea.
- 96″ (8 ft.) - $88.28 ea.
- 144″ (12 ft.) - $130.39 ea.
- Custom Cut
Starting at
$12.38
$12.38
$12.38 ea.
- Dia. 0.375"
Alloy Steel Round Bar 4130-Normalized Cold Finish
Select...
- 12″ (1 ft.) - $12.55 ea.
- 24″ (2 ft.) - $24.09 ea.
-
36″ (3 ft.)
- $33.94 ea.
- 48″ (4 ft.) - $40.32 ea.
- 72″ (6 ft.) - $56.05 ea.
- 96″ (8 ft.) - $70.79 ea.
- 144″ (12 ft.) - $100.29 ea.
- Custom Cut
Starting at
$12.55
$12.55
$12.55 ea.
- Dia. 0.625"
Alloy Steel Round Bar 4130-Normalized Cold Finish
Select...
- 12″ (1 ft.) - $13.15 ea.
- 24″ (2 ft.) - $25.38 ea.
-
36″ (3 ft.)
- $35.93 ea.
- 48″ (4 ft.) - $43.16 ea.
- 72″ (6 ft.) - $60.49 ea.
- 96″ (8 ft.) - $76.86 ea.
- 144″ (12 ft.) - $109.60 ea.
- Custom Cut
Starting at
$13.15
$13.15
$13.15 ea.
- Dia. 0.875"
Alloy Steel Round Bar 4130-Normalized Cold Finish
Select...
- 12″ (1 ft.) - $15.43 ea.
- 24″ (2 ft.) - $29.60 ea.
-
36″ (3 ft.)
- $41.60 ea.
- 48″ (4 ft.) - $49.29 ea.
- 72″ (6 ft.) - $68.42 ea.
- 96″ (8 ft.) - $100.35 ea.
- 144″ (12 ft.) - $136.84 ea.
- Custom Cut
Starting at
$15.43
$15.43
$15.43 ea.
- Dia. 1.25"
Alloy Steel Round Bar 4130-Normalized Cold Finish
Select...
- 12″ (1 ft.) - $27.81 ea.
- 24″ (2 ft.) - $53.33 ea.
-
36″ (3 ft.)
- $80.00 ea.
- 48″ (4 ft.) - $84.66 ea.
- 72″ (6 ft.) - $123.34 ea.
- 96″ (8 ft.) - $180.90 ea.
- 144″ (12 ft.) - $246.68 ea.
- Custom Cut
Starting at
$27.81
$27.81
$27.81 ea.
- Dia. 0.75"
Alloy Steel Round Bar 4130-Normalized Cold Finish
Select...
- 12″ (1 ft.) - $28.72 ea.
- 24″ (2 ft.) - $56.44 ea.
-
36″ (3 ft.)
- $83.27 ea.
- 48″ (4 ft.) - $109.21 ea.
- 72″ (6 ft.) - $158.60 ea.
- 96″ (8 ft.) - $204.98 ea.
- 144″ (12 ft.) - $302.82 ea.
- Custom Cut
Starting at
$28.72
$28.72
$28.72 ea.
- Dia. 1"
Alloy Steel Round Bar 4130-Normalized Cold Finish
Select...
- 12″ (1 ft.) - $32.74 ea.
- 24″ (2 ft.) - $62.94 ea.
-
36″ (3 ft.)
- $88.62 ea.
- 48″ (4 ft.) - $105.31 ea.
- 72″ (6 ft.) - $146.41 ea.
- 96″ (8 ft.) - $184.93 ea.
- 144″ (12 ft.) - $261.99 ea.
- Custom Cut
Starting at
$32.74
$32.74
$32.74 ea.
- Dia. 0.9375"
Alloy Steel Round Bar 4130-Normalized Cold Finish
Select...
- 12″ (1 ft.) - $37.13 ea.
- 72″ (6 ft.) - $170.64 ea.
- 144″ (12 ft.) - $309.23 ea.
- Custom Cut
Starting at
$37.13
$37.13
$37.13 ea.
- Dia. 1.5"
Alloy Steel Round Bar 4130-Normalized
Select...
- 12″ (1 ft.) - $42.15 ea.
- 24″ (2 ft.) - $80.92 ea.
-
36″ (3 ft.)
- $113.80 ea.
- 48″ (4 ft.) - $134.88 ea.
- 72″ (6 ft.) - $187.14 ea.
- 96″ (8 ft.) - $236.04 ea.
- 144″ (12 ft.) - $323.71 ea.
- Custom Cut
Starting at
$42.15
$42.15
$42.15 ea.
- Dia. 1.375"
Alloy Steel Round Bar 4130-Normalized
Select...
- 12″ (1 ft.) - $55.11 ea.
- 24″ (2 ft.) - $105.89 ea.
-
36″ (3 ft.)
- $149.13 ea.
- 48″ (4 ft.) - $177.22 ea.
- 72″ (6 ft.) - $246.37 ea.
- 96″ (8 ft.) - $311.22 ea.
- 144″ (12 ft.) - $440.90 ea.
- Custom Cut
Starting at
$55.11
$55.11
$55.11 ea.
- Dia. 1.75"
Alloy Steel Round Bar 4130-Normalized
Select...
- 12″ (1 ft.) - $65.56 ea.
- 24″ (2 ft.) - $125.88 ea.
-
36″ (3 ft.)
- $177.02 ea.
- 48″ (4 ft.) - $209.81 ea.
- 72″ (6 ft.) - $291.11 ea.
- 96″ (8 ft.) - $426.96 ea.
- 144″ (12 ft.) - $582.22 ea.
- Custom Cut
Starting at
$65.56
$65.56
$65.56 ea.
- Dia. 1.625"
Alloy Steel Round Bar 4130-Normalized
Select...
- 12″ (1 ft.) - $78.09 ea.
- 24″ (2 ft.) - $150.56 ea.
-
36″ (3 ft.)
- $213.20 ea.
- 48″ (4 ft.) - $256.18 ea.
- 72″ (6 ft.) - $358.99 ea.
- 96″ (8 ft.) - $456.18 ea.
- 144″ (12 ft.) - $650.56 ea.
- Custom Cut
Starting at
$78.09
$78.09
$78.09 ea.
- Dia. 2"
Alloy Steel Round Bar 4130-Normalized
Select...
- 12″ (1 ft.) - $85.63 ea.
- 24″ (2 ft.) - $164.40 ea.
-
36″ (3 ft.)
- $236.33 ea.
- 48″ (4 ft.) - $301.41 ea.
- 72″ (6 ft.) - $411.01 ea.
- 96″ (8 ft.) - $602.81 ea.
- 144″ (12 ft.) - $822.02 ea.
- Custom Cut
Starting at
$85.63
$85.63
$85.63 ea.
- Dia. 2.25"
Alloy Steel Round Bar 4130-Normalized
Select...
- 12″ (1 ft.) - $121.51 ea.
- 24″ (2 ft.) - $235.91 ea.
-
36″ (3 ft.)
- $343.25 ea.
- 48″ (4 ft.) - $443.48 ea.
- 72″ (6 ft.) - $622.69 ea.
- 96″ (8 ft.) - $773.55 ea.
- 144″ (12 ft.) - $1,093.50 ea.
- Custom Cut
Starting at
$121.51
$121.51
$121.51 ea.
- Dia. 2.75"
Alloy Steel Round Bar 4130-Normalized
Select...
- 12″ (1 ft.) - $156.65 ea.
- 24″ (2 ft.) - $303.54 ea.
-
36″ (3 ft.)
- $440.69 ea.
- 48″ (4 ft.) - $568.10 ea.
- 72″ (6 ft.) - $793.69 ea.
- 96″ (8 ft.) - $980.27 ea.
- 144″ (12 ft.) - $1,378.49 ea.
- Custom Cut
Starting at
$156.65
$156.65
$156.65 ea.
- Dia. 2.5"
Alloy Steel Round Bar 4130-Normalized
Select...
- 12″ (1 ft.) - $173.23 ea.
- 24″ (2 ft.) - $336.36 ea.
-
36″ (3 ft.)
- $489.38 ea.
- 48″ (4 ft.) - $632.30 ea.
- 72″ (6 ft.) - $887.83 ea.
- 96″ (8 ft.) - $1,102.93 ea.
- 144″ (12 ft.) - $1,559.11 ea.
- Custom Cut
Starting at
$173.23
$173.23
$173.23 ea.
- Dia. 3"
Alloy Steel Round Bar 4130-Normalized
Select...
- 12″ (1 ft.) - $212.88 ea.
- 24″ (2 ft.) - $413.32 ea.
-
36″ (3 ft.)
- $601.36 ea.
- 48″ (4 ft.) - $776.99 ea.
- 144″ (12 ft.) - $1,915.87 ea.
- Custom Cut
Starting at
$212.88
$212.88
$212.88 ea.
- Dia. 3.5"
Alloy Steel Round Bar 4130-Normalized Rough Turned
Select...
- 12″ (1 ft.) - $294.23 ea.
- 24″ (2 ft.) - $564.92 ea.
-
36″ (3 ft.)
- $771.28 ea.
- 48″ (4 ft.) - $887.48 ea.
- 72″ (6 ft.) - $1,231.38 ea.
- 96″ (8 ft.) - $1,806.02 ea.
- 144″ (12 ft.) - $2,462.76 ea.
- Custom Cut
Starting at
$294.23
$294.23
$294.23 ea.
SALE!
Huge Savings on Overstock Lengths - Ships from CA
- Dia. 5.5"
Alloy Steel Round Bar 4130
Select...
- 12″ (1 ft.) - $364.27 ea.
- Custom Cut
Starting at
$364.27
$364.27
$364.27 ea.
- Dia. 4.5"
Alloy Steel Round Bar 4130-Normalized
Select...
- 12″ (1 ft.) - $483.06 ea.
- 24″ (2 ft.) - $937.92 ea.
-
36″ (3 ft.)
- $1,364.63 ea.
- 48″ (4 ft.) - $1,763.15 ea.
- 72″ (6 ft.) - $2,475.65 ea.
- 96″ (8 ft.) - $3,075.43 ea.
- 144″ (12 ft.) - $4,347.48 ea.
- Custom Cut
Starting at
$483.06
$483.06
$483.06 ea.
- Dia. 4"
Alloy Steel Round Bar 4130-Normalized
Select...
- 12″ (1 ft.) - $485.98 ea.
- 24″ (2 ft.) - $943.63 ea.
-
36″ (3 ft.)
- $1,372.90 ea.
- 144″ (12 ft.) - $4,373.84 ea.
- Custom Cut
Starting at
$485.98