🦃Don't wait! Make sure your holiday needs are covered.
Place your order today to guarantee delivery before Thanksgiving!🦃


Beat the High UPS Rates with Us! Buy 44" Lengths for the BEST Rates Around! 


Shop all Products
Shop at online metals the #1 in custom cuts since 1998

Open for Orders 24/7!

Deals
Get a Quick Quote!
round-bar-large-drillrod-new-min-4superZoom

Alloy Steel Round Bar

-271 Products

Alloy Steel Product Guide Product   | Alloy Steel Round Bar Tolerances product

We carry Alloy Steel Round Bar in 4130 | 4140 | 4330 | 4340 | 8620 | 9310. Most of our Alloy Steel round bar/rod is available in full size and custom cut lengths.

Marketplace Icon Defense Grade Store

Sort by

Size
  • Size
  • Price:Low to High
  • Product Name: Z to A
  • Product Name: A to Z

Close

Refine Your Results

Clear Search

Filters

Temper

Production Method

DFARS

seller

0.3125" Alloy Steel Round Bar 4340-Normalized Cold Finish - 
Part #: 23268

0.3125" Alloy Steel Round Bar 4340-Normalized Cold Finish-
Part #: 23268

Click for more details

alloy-steel-round-bar-4340-normalized-cold-finished-turned-1superZoom

Dimensions

  • Diameter: 0.3125"
See all available dimensions for this product
Pricing and availability for this item changes frequently. Contact us now for a fast quote.

0.375" Alloy Steel Round Bar 4130-Normalized Cold Finish - 
Part #: 7361

0.375" Alloy Steel Round Bar 4130-Normalized Cold Finish -
Part #: 7361

Click for more details

alloy-steel-round-bar-4130-normalized-cold-finish-1superZoom

Dimensions

  • Diameter: 0.375"
See all available dimensions for this product
  • 12″ (1 ft.) - $8.34 ea.
  • 24″ (2 ft.) - $16.23 ea.
  • 36″ (3 ft.) - $22.15 ea.
  • 44″ (44 in.) - $27.07 ea. - For Unwavering Customers, Unmatched Priced Shipping
  • 48″ (4 ft.) - $27.62 ea.
  • 72″ (6 ft.) - $39.01 ea.
  • 96″ (8 ft.) - $48.59 ea.
  • 144″ (12 ft.) - $60.46 ea.
Create Custom Cut

QTY

$8.34 ea.
$8.34 for 1
qty discount iconBuy More & Save up to 24% !
Qty
Price ea.
Savings
5-9
$7.92
5%
10-14
$7.51
9%
15-24
$7.09
14%
25-49
$6.67
20%
50+
$6.26
24%
More
Less

0.375" Alloy Steel Round Bar 4340-Normalized Cold Finish - 
Part #: 7383

0.375" Alloy Steel Round Bar 4340-Normalized Cold Finish -
Part #: 7383

Click for more details

alloy-steel-round-bar-4340-normalized-cold-finished-turned-1superZoom

Dimensions

  • Diameter: 0.375"
See all available dimensions for this product
  • 12″ (1 ft.) - $11.02 ea.
  • 24″ (2 ft.) - $21.41 ea.
  • 36″ (3 ft.) - $29.24 ea.
  • 44″ (44 in.) - $35.71 ea. - For Unwavering Customers, Unmatched Priced Shipping
  • 48″ (4 ft.) - $36.44 ea.
  • 72″ (6 ft.) - $51.47 ea.
  • 96″ (8 ft.) - $64.11 ea.
  • 144″ (12 ft.) - $79.80 ea.
Create Custom Cut

QTY

$11.02 ea.
$11.02 for 1
qty discount iconBuy More & Save up to 24% !
Qty
Price ea.
Savings
10-14
$10.47
4%
15-19
$9.92
9%
20-49
$9.37
14%
50-99
$8.82
19%
100+
$8.27
24%
More
Less

0.375" Alloy Steel Round Bar 4140 Cold Finished Heat Treated - 
Part #: mp-00002485

0.375" Alloy Steel Round Bar 4140 Cold Finished Heat Treated -
Part #: mp-00002485

Click for more details

Dimensions

  • Diameter: 0.375"
See all available dimensions for this product
  • 12″ (1 ft.) - $4.88 ea.
  • 24″ (2 ft.) - $9.75 ea.
  • 36″ (3 ft.) - $14.63 ea.
  • 48″ (4 ft.) - $19.51 ea.
  • 72″ (6 ft.) - $29.26 ea.
Create Custom Cut

QTY

$4.88 ea.
$4.88 for 1
qty discount iconBuy More & Save up to 10% !
Qty
Price ea.
Savings
2-4
$4.73
3%
5-9
$4.64
4%
10+
$4.39
10%
More
Less
Sold and shipped by MSP Metals

0.4375" Alloy Steel Round Bar 4130-Normalized Cold Finish - 
Part #: 7362

0.4375" Alloy Steel Round Bar 4130-Normalized Cold Finish -
Part #: 7362

Click for more details

alloy-steel-round-bar-4130-normalized-cold-finish-1superZoom

Dimensions

  • Diameter: 0.4375"
See all available dimensions for this product
  • 12″ (1 ft.) - $10.00 ea.
  • 24″ (2 ft.) - $19.42 ea.
  • 36″ (3 ft.) - $26.52 ea.
  • 44″ (44 in.) - $32.38 ea. - For Unwavering Customers, Unmatched Priced Shipping
  • 48″ (4 ft.) - $33.04 ea.
  • 72″ (6 ft.) - $46.70 ea.
  • 96″ (8 ft.) - $58.15 ea.
  • 144″ (12 ft.) - $72.38 ea.
Create Custom Cut

QTY

$10.00 ea.
$10.00 for 1
qty discount iconBuy More & Save up to 25% !
Qty
Price ea.
Savings
5-9
$9.50
5%
10-14
$9.00
10%
15-24
$8.50
15%
25-49
$8.00
20%
50+
$7.50
25%
More
Less

0.4375" Alloy Steel Round Bar 4340-Normalized Cold Finish - 
Part #: 7384

0.4375" Alloy Steel Round Bar 4340-Normalized Cold Finish -
Part #: 7384

Click for more details

alloy-steel-round-bar-4340-normalized-cold-finished-turned-1superZoom

Dimensions

  • Diameter: 0.4375"
See all available dimensions for this product
  • 12″ (1 ft.) - $39.75 ea.
  • 24″ (2 ft.) - $77.31 ea.
  • 36″ (3 ft.) - $105.54 ea.
  • 44″ (44 in.) - $128.97 ea. - For Unwavering Customers, Unmatched Priced Shipping
  • 48″ (4 ft.) - $131.60 ea.
  • 72″ (6 ft.) - $185.86 ea.
  • 96″ (8 ft.) - $231.48 ea.
  • 144″ (12 ft.) - $288.16 ea.
Create Custom Cut

QTY

$39.75 ea.
$39.75 for 1
qty discount iconBuy More & Save up to 25% !
Qty
Price ea.
Savings
10-14
$37.76
5%
15-19
$35.78
9%
20-49
$33.79
14%
50-99
$31.80
20%
100+
$29.81
25%
More
Less

0.4375" Alloy Steel Round Bar 8620-Cold Finish - 
Part #: 15005

0.4375" Alloy Steel Round Bar 8620-Cold Finish -
Part #: 15005

Click for more details

alloy-steel-round-bar-8620-cold-finish-1superZoom

Dimensions

  • Diameter: 0.4375"
See all available dimensions for this product
  • 12″ (1 ft.) - $45.85 ea.
  • 24″ (2 ft.) - $86.63 ea.
  • 36″ (3 ft.) - $127.92 ea.
  • 44″ (44 in.) - $162.50 ea. - For Unwavering Customers, Unmatched Priced Shipping
  • 48″ (4 ft.) - $165.82 ea.
  • 72″ (6 ft.) - $228.42 ea.
  • 96″ (8 ft.) - $292.40 ea.
  • 144″ (12 ft.) - $406.10 ea.
Create Custom Cut

QTY

$45.85 ea.
$45.85 for 1
qty discount iconBuy More & Save up to 24% !
Qty
Price ea.
Savings
10-14
$43.56
4%
15-19
$41.27
9%
20-49
$38.97
15%
50-99
$36.68
20%
100+
$34.39
24%
More
Less

0.5" Alloy Steel Round Bar 4130-Normalized Cold Finish - 
Part #: 7363

0.5" Alloy Steel Round Bar 4130-Normalized Cold Finish -
Part #: 7363

Click for more details

alloy-steel-round-bar-4130-normalized-cold-finish-1superZoom

Dimensions

  • Diameter: 0.5"
See all available dimensions for this product
  • 12″ (1 ft.) - $15.42 ea.
  • 24″ (2 ft.) - $30.04 ea.
  • 36″ (3 ft.) - $40.99 ea.
  • 44″ (44 in.) - $50.08 ea. - For Unwavering Customers, Unmatched Priced Shipping
  • 48″ (4 ft.) - $51.10 ea.
  • 72″ (6 ft.) - $72.19 ea.
  • 96″ (8 ft.) - $89.92 ea.
  • 144″ (12 ft.) - $111.92 ea.
Create Custom Cut

QTY

$15.42 ea.
$15.42 for 1
qty discount iconBuy More & Save up to 24% !
Qty
Price ea.
Savings
5-9
$14.65
4%
10-14
$13.88
9%
15-24
$13.11
14%
25-49
$12.34
19%
50+
$11.57
24%
More
Less

0.5" Maraging Steel Round Bar 350-Annealed - 
Part #: 12576

0.5" Maraging Steel Round Bar 350-Annealed-
Part #: 12576

Click for more details

maraging-steel-round-bar-350-1superZoom

Dimensions

  • Diameter: 0.5"
See all available dimensions for this product
Pricing and availability for this item changes frequently. Contact us now for a fast quote.

0.5" Maraging Steel Round Bar 250-Annealed - 
Part #: 12608

0.5" Maraging Steel Round Bar 250-Annealed-
Part #: 12608

Click for more details

maraging-steel-round-bar-annealed-250-1superZoom

Dimensions

  • Diameter: 0.5"
See all available dimensions for this product
Pricing and availability for this item changes frequently. Contact us now for a fast quote.

0.5" Alloy Steel Round Bar 4340-Annealed Cold Finish - 
Part #: 25262

0.5" Alloy Steel Round Bar 4340-Annealed Cold Finish -
Part #: 25262

Click for more details

alloy-steel-round-bar-4340-normalized-cold-finished-turned-1superZoom

Dimensions

  • Diameter: 0.5"
See all available dimensions for this product
  • 12″ (1 ft.) - $11.42 ea.
  • 24″ (2 ft.) - $22.22 ea.
  • 36″ (3 ft.) - $30.33 ea.
  • 44″ (44 in.) - $37.05 ea. - For Unwavering Customers, Unmatched Priced Shipping
  • 48″ (4 ft.) - $37.81 ea.
  • 72″ (6 ft.) - $53.41 ea.
  • 96″ (8 ft.) - $66.52 ea.
  • 144″ (12 ft.) - $82.82 ea.
Create Custom Cut

QTY

$11.42 ea.
$11.42 for 1
qty discount iconBuy More & Save up to 24% !
Qty
Price ea.
Savings
10-14
$10.85
4%
15-19
$10.28
9%
20-49
$9.71
14%
50-99
$9.14
19%
100+
$8.57
24%
More
Less

0.5" Alloy Steel Round Bar 4140-Annealed Cold Finish - 
Part #: 15484

0.5" Alloy Steel Round Bar 4140-Annealed Cold Finish -
Part #: 15484

Click for more details

alloy-steel-round-bar-4140-annealed-cold-finish-1superZoom

Dimensions

  • Diameter: 0.5"
See all available dimensions for this product
  • 12″ (1 ft.) - $12.74 ea.
  • 24″ (2 ft.) - $24.83 ea.
  • 36″ (3 ft.) - $33.87 ea.
  • 44″ (44 in.) - $41.38 ea. - For Unwavering Customers, Unmatched Priced Shipping
  • 48″ (4 ft.) - $42.22 ea.
  • 72″ (6 ft.) - $59.65 ea.
  • 96″ (8 ft.) - $74.28 ea.
  • 144″ (12 ft.) - $92.46 ea.
Create Custom Cut

QTY

$12.74 ea.
$12.74 for 1
qty discount iconBuy More & Save up to 24% !
Qty
Price ea.
Savings
10-14
$12.10
5%
15-19
$11.47
9%
20-49
$10.83
14%
50-99
$10.19
20%
100+
$9.56
24%
More
Less

0.5" Alloy Steel Round Bar 4340-Normalized Cold Finish - 
Part #: 7385

0.5" Alloy Steel Round Bar 4340-Normalized Cold Finish -
Part #: 7385

Click for more details

alloy-steel-round-bar-4340-normalized-cold-finished-turned-1superZoom

Dimensions

  • Diameter: 0.5"
See all available dimensions for this product
  • 12″ (1 ft.) - $11.42 ea.
  • 24″ (2 ft.) - $22.22 ea.
  • 36″ (3 ft.) - $30.33 ea.
  • 44″ (44 in.) - $37.05 ea. - For Unwavering Customers, Unmatched Priced Shipping
  • 48″ (4 ft.) - $37.81 ea.
  • 72″ (6 ft.) - $53.41 ea.
  • 96″ (8 ft.) - $66.52 ea.
  • 144″ (12 ft.) - $82.82 ea.
Create Custom Cut

QTY

$11.42 ea.
$11.42 for 1
qty discount iconBuy More & Save up to 24% !
Qty
Price ea.
Savings
10-14
$10.85
4%
15-19
$10.28
9%
20-49
$9.71
14%
50-99
$9.14
19%
100+
$8.57
24%
More
Less

0.5" Maraging Steel Round Bar 300-Annealed - 
Part #: 28409

0.5" Maraging Steel Round Bar 300-Annealed-
Part #: 28409

Click for more details

Placeholder for future product image

Dimensions

  • Diameter: 0.5"
See all available dimensions for this product
Pricing and availability for this item changes frequently. Contact us now for a fast quote.

0.5" Alloy Steel Round Bar 8620-Cold Finish - 
Part #: 15006

0.5" Alloy Steel Round Bar 8620-Cold Finish -
Part #: 15006

Click for more details

alloy-steel-round-bar-8620-cold-finish-1superZoom

Dimensions

  • Diameter: 0.5"
See all available dimensions for this product
  • 12″ (1 ft.) - $7.75 ea.
  • 24″ (2 ft.) - $15.07 ea.
  • 36″ (3 ft.) - $20.54 ea.
  • 44″ (44 in.) - $25.11 ea. - For Unwavering Customers, Unmatched Priced Shipping
  • 48″ (4 ft.) - $25.62 ea.
  • 72″ (6 ft.) - $36.20 ea.
  • 96″ (8 ft.) - $45.09 ea.
  • 144″ (12 ft.) - $56.12 ea.
Create Custom Cut

QTY

$7.75 ea.
$7.75 for 1
qty discount iconBuy More & Save up to 25% !
Qty
Price ea.
Savings
10-14
$7.36
5%
15-19
$6.98
9%
20-49
$6.59
14%
50-99
$6.20
20%
100+
$5.81
25%
More
Less

0.500" Alloy Steel Round Bar 4140 Cold Finished Heat Treated - 
Part #: mp-00002423

0.500" Alloy Steel Round Bar 4140 Cold Finished Heat Treated -
Part #: mp-00002423

Click for more details

Dimensions

  • Diameter: 0.5"
See all available dimensions for this product
  • 12″ (1 ft.) - $8.34 ea.
  • 24″ (2 ft.) - $16.67 ea.
  • 36″ (3 ft.) - $25.01 ea.
  • 48″ (4 ft.) - $33.35 ea.
  • 72″ (6 ft.) - $50.02 ea.
Create Custom Cut

QTY

$8.34 ea.
$8.34 for 1
qty discount iconBuy More & Save up to 9% !
Qty
Price ea.
Savings
2-4
$8.09
2%
5-9
$7.92
5%
10+
$7.51
9%
More
Less
Sold and shipped by MSP Metals

0.5625" Alloy Steel Round Bar 4140-Annealed Cold Finish - 
Part #: 15485

0.5625" Alloy Steel Round Bar 4140-Annealed Cold Finish -
Part #: 15485

Click for more details

alloy-steel-round-bar-4140-annealed-cold-finish-1superZoom

Dimensions

  • Diameter: 0.5625"
See all available dimensions for this product
  • 12″ (1 ft.) - $17.38 ea.
  • 24″ (2 ft.) - $33.84 ea.
  • 36″ (3 ft.) - $46.18 ea.
  • 44″ (44 in.) - $56.42 ea. - For Unwavering Customers, Unmatched Priced Shipping
  • 48″ (4 ft.) - $57.57 ea.
  • 72″ (6 ft.) - $81.32 ea.
  • 96″ (8 ft.) - $101.27 ea.
  • 144″ (12 ft.) - $126.08 ea.
Create Custom Cut

QTY

$17.38 ea.
$17.38 for 1
qty discount iconBuy More & Save up to 24% !
Qty
Price ea.
Savings
10-14
$16.51
5%
15-19
$15.64
10%
20-49
$14.77
15%
50-99
$13.90
20%
100+
$13.04
24%
More
Less

0.625" Alloy Steel Round Bar 4130-Normalized Cold Finish - 
Part #: 7364

0.625" Alloy Steel Round Bar 4130-Normalized Cold Finish -
Part #: 7364

Click for more details

alloy-steel-round-bar-4130-normalized-cold-finish-1superZoom

Dimensions

  • Diameter: 0.625"
See all available dimensions for this product
  • 12″ (1 ft.) - $19.53 ea.
  • 24″ (2 ft.) - $38.00 ea.
  • 36″ (3 ft.) - $51.86 ea.
  • 44″ (44 in.) - $63.37 ea. - For Unwavering Customers, Unmatched Priced Shipping
  • 48″ (4 ft.) - $64.66 ea.
  • 72″ (6 ft.) - $91.36 ea.
  • 96″ (8 ft.) - $113.78 ea.
  • 144″ (12 ft.) - $141.62 ea.
Create Custom Cut

QTY

$19.53 ea.
$19.53 for 1
qty discount iconBuy More & Save up to 24% !
Qty
Price ea.
Savings
5-9
$18.55
5%
10-14
$17.58
9%
15-24
$16.60
15%
25-49
$15.62
20%
50+
$14.65
24%
More
Less

0.625" Alloy Steel Round Bar 4340-Normalized Cold Finish - 
Part #: 7387

0.625" Alloy Steel Round Bar 4340-Normalized Cold Finish -
Part #: 7387

Click for more details

alloy-steel-round-bar-4340-normalized-cold-finished-turned-1superZoom

Dimensions

  • Diameter: 0.625"
See all available dimensions for this product
  • 12″ (1 ft.) - $24.20 ea.
  • 24″ (2 ft.) - $47.08 ea.
  • 36″ (3 ft.) - $64.23 ea.
  • 44″ (44 in.) - $78.49 ea. - For Unwavering Customers, Unmatched Priced Shipping
  • 48″ (4 ft.) - $80.09 ea.
  • 72″ (6 ft.) - $113.13 ea.
  • 96″ (8 ft.) - $140.89 ea.
  • 144″ (12 ft.) - $175.40 ea.
Create Custom Cut

QTY

$24.20 ea.
$24.20 for 1
qty discount iconBuy More & Save up to 25% !
Qty
Price ea.
Savings
10-14
$22.99
5%
15-19
$21.78
10%
20-49
$20.57
15%
50-99
$19.36
20%
100+
$18.15
25%
More
Less

0.625" Maraging Steel Round Bar 350-Annealed - 
Part #: 12577

0.625" Maraging Steel Round Bar 350-Annealed-
Part #: 12577

Click for more details

maraging-steel-round-bar-350-1superZoom

Dimensions

  • Diameter: 0.625"
See all available dimensions for this product
Pricing and availability for this item changes frequently. Contact us now for a fast quote.

0.625" Maraging Steel Round Bar 300-Annealed - 
Part #: 12592

0.625" Maraging Steel Round Bar 300-Annealed-
Part #: 12592

Click for more details

maraging-steel-round-bar-300-1superZoom

Dimensions

  • Diameter: 0.625"
See all available dimensions for this product
Pricing and availability for this item changes frequently. Contact us now for a fast quote.

0.625" Alloy Steel Round Bar 4140-Annealed Cold Finish - 
Part #: 15486

0.625" Alloy Steel Round Bar 4140-Annealed Cold Finish -
Part #: 15486

Click for more details

alloy-steel-round-bar-4140-annealed-cold-finish-1superZoom

Dimensions

  • Diameter: 0.625"
See all available dimensions for this product
  • 12″ (1 ft.) - $10.96 ea.
  • 24″ (2 ft.) - $21.32 ea.
  • 36″ (3 ft.) - $29.07 ea.
  • 44″ (44 in.) - $35.53 ea. - For Unwavering Customers, Unmatched Priced Shipping
  • 48″ (4 ft.) - $36.25 ea.
  • 72″ (6 ft.) - $51.19 ea.
  • 96″ (8 ft.) - $63.77 ea.
  • 144″ (12 ft.) - $79.38 ea.
Create Custom Cut

QTY

$10.96 ea.
$10.96 for 1
qty discount iconBuy More & Save up to 25% !
Qty
Price ea.
Savings
10-14
$10.41
5%
15-19
$9.86
10%
20-49
$9.32
14%
50-99
$8.77
19%
100+
$8.22
25%
More
Less

0.625" Alloy Steel Round Bar 8620-Cold Finish - 
Part #: 15007

0.625" Alloy Steel Round Bar 8620-Cold Finish -
Part #: 15007

Click for more details

alloy-steel-round-bar-8620-cold-finish-1superZoom

Dimensions

  • Diameter: 0.625"
See all available dimensions for this product
  • 12″ (1 ft.) - $12.11 ea.
  • 24″ (2 ft.) - $23.60 ea.
  • 36″ (3 ft.) - $32.20 ea.
  • 44″ (44 in.) - $39.37 ea. - For Unwavering Customers, Unmatched Priced Shipping
  • 48″ (4 ft.) - $40.17 ea.
  • 72″ (6 ft.) - $56.73 ea.
  • 96″ (8 ft.) - $70.66 ea.
  • 144″ (12 ft.) - $87.94 ea.
Create Custom Cut

QTY

$12.11 ea.
$12.11 for 1
qty discount iconBuy More & Save up to 25% !
Qty
Price ea.
Savings
10-14
$11.50
5%
15-19
$10.90
9%
20-49
$10.29
15%
50-99
$9.69
19%
100+
$9.08
25%
More
Less

0.625" Alloy Steel Round Bar 4140 Cold Finished Heat Treated - 
Part #: mp-00002456

0.625" Alloy Steel Round Bar 4140 Cold Finished Heat Treated -
Part #: mp-00002456

Click for more details

Dimensions

  • Diameter: 0.625"
See all available dimensions for this product
  • 12″ (1 ft.) - $12.81 ea.
  • 24″ (2 ft.) - $25.62 ea.
  • 36″ (3 ft.) - $38.44 ea.
  • 48″ (4 ft.) - $51.25 ea.
  • 72″ (6 ft.) - $76.87 ea.
Create Custom Cut

QTY

$12.81 ea.
$12.81 for 1
qty discount iconBuy More & Save up to 9% !
Qty
Price ea.
Savings
2-4
$12.43
2%
5-9
$12.17
4%
10+
$11.53
9%
More
Less
Sold and shipped by MSP Metals

0.6875" Alloy Steel Round Bar 4140-Annealed Cold Finish - 
Part #: 15487

0.6875" Alloy Steel Round Bar 4140-Annealed Cold Finish -
Part #: 15487

Click for more details

alloy-steel-round-bar-4140-annealed-cold-finish-1superZoom

Dimensions

  • Diameter: 0.6875"
See all available dimensions for this product
  • 12″ (1 ft.) - $17.01 ea.
  • 24″ (2 ft.) - $33.13 ea.
  • 36″ (3 ft.) - $45.21 ea.
  • 44″ (44 in.) - $55.23 ea. - For Unwavering Customers, Unmatched Priced Shipping
  • 48″ (4 ft.) - $56.36 ea.
  • 72″ (6 ft.) - $79.62 ea.
  • 96″ (8 ft.) - $99.17 ea.
  • 144″ (12 ft.) - $123.44 ea.
Create Custom Cut

QTY

$17.01 ea.
$17.01 for 1
qty discount iconBuy More & Save up to 24% !
Qty
Price ea.
Savings
10-14
$16.16
4%
15-19
$15.31
9%
20-49
$14.46
14%
50-99
$13.61
19%
100+
$12.76
24%
More
Less

Can't find what you're looking for?

Contact us for a custom quote