Alloy Steel Round Bar

Alloy Steel Round Bar

Select Grade, Specifications, & Diameter for Alloy Steel Round Bar.

Titanium Industries selection of Alloy Steel Round Bar is illustrated below and meets numerous AMS and ASTM specifications. Alloy Steel Round Bar offers good weldability without compromising steel abrasion and impact resistance, often used for structural applications in gears, fasteners, and aircraft applications.

Alloy Steel Round Bar diameter sizes range from 0.187" (4.749mm) to 7.000" (177.8mm).

  • Alloy Steel AISI 4130 Round Bar: AMS 2301, AMS 6346, AMS 6348, AMS 6370, AMS-S-6758, ASTM A331
  • Alloy Steel AISI 4140 Round Bar: AMS 2301, AMS 6349, AMS 6382, AMS-S-5626
  • Alloy Steel AISI 4340 Round Bar: AMS 2301, ANS 6257, AMS 6322, AMS 6409, AMS 6414, AMS 6414, AMS 6417, AMS 6419, AMS 6484, AMS-S-6049, ASTM A322, ASTM A331, MIL-S-5000, MIL-S-8844
  • Alloy Steel AISI 52100 Round Bar: AMS 2301, AMS 6440, AMS 6444, ASTM A295, ASTM A331
  • Alloy Steel AISI 6304 Round Bar: AMS 2301, AMS 6304
  • Alloy Steel AISI 8740 Round Bar: AMS 2301, AMS 6322, ASTM A331
  • Alloy Steel AISI 9310 Round Bar: AMS 2301, AMS 6260, AMS 6265, ASTM A322

Please make your selection. Results will appear below.

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Not seeing the grade, alloy, or specification of Alloy Steel Round Bar you require? Please contact us!

4. Size & Quantity of Alloy Steel Round Bar

Our standard Alloy Steel Round Bar lengths are stocked in 'Random Mill Lengths' which can range from ± 24 inches
Diameter Length Specification QuantityUnit of measure Price
Alloy Steel Round Bar - 4130
Ø 0.187"
±0.001"
144.0"±24.0" Cold Finish Normalized, Per AMS 6370, AMS-S-6758, ASTM A331
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$0.00 / lb
Updating stock
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Alloy Steel Round Bar - 4130
Ø 0.250"
±0.001"
144.0"±24.0" Cold Finish Heat Treat, Per AMS 6346, AMS 6370, AMS 2301, ASTM A331
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$0.00 / lb
Updating stock
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(888) 482-6486
Alloy Steel Round Bar - 4130
Ø 0.250"
±0.001"
144.0"±24.0" Cold Finish Normalized, Per AMS 6370, AMS-S-6758, ASTM A331
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$0.00 / lb
Updating stock
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(888) 482-6486
Alloy Steel Round Bar - 4140
Ø 0.250"
±0.001"
144.0"±24.0" Cold Finish Annealed, Per AMS 6382, AMS 6349, AMS-S-5626, AMS 2301
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$0.00 / lb
Updating stock
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Alloy Steel Round Bar - 4340
Ø 0.260"
±0.001"
144.0"±24.0" Vacuum Melt, Per AMS 6415, 300M, AMS 6414
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$0.00 / lb
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Alloy Steel Round Bar - 6304
Ø 0.260"
±0.002"
144.0"±24.0" Per AMS 6304, AMS 2301, ASTM A193 (chemistry only)
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$0.00 / lb
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Alloy Steel Round Bar - 8740
Ø 0.260"
±0.002"
144.0"±24.0" Centerless Ground Annealed, Per AMS 6322, AMS 2301, ASTM A331
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$0.00 / lb
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Alloy Steel Round Bar - 4130
Ø 0.3125"
±0.002"
144.0"±24.0" Cold Finish Heat Treat, Per AMS 6346, AMS 6370, AMS 2301, ASTM A331
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$0.00 / lb
Updating stock
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(888) 482-6486
Alloy Steel Round Bar - 4130
Ø 0.3125"
±0.002"
144.0"±24.0" Cold Finish Normalized, Per AMS 6370, AMS-S-6758, ASTM A331
Please sign in for Pricing.
$0.00 / lb
Updating stock
Please call for price
(888) 482-6486
Alloy Steel Round Bar - 4140
Ø 0.3125"
±0.002"
144.0"±24.0" Cold Finish Annealed, Per AMS 6382, AMS 6349, AMS-S-5626, AMS 2301
Please sign in for Pricing.
$0.00 / lb
Updating stock
Please call for price
(888) 482-6486
Alloy Steel Round Bar - 6304
Ø 0.3125"
±0.002"
144.0"±24.0" Per AMS 6304, AMS 2301, ASTM A193 (chemistry only)
Please sign in for Pricing.
$0.00 / lb
Updating stock
Please call for price
(888) 482-6486
Alloy Steel Round Bar - 8740
Ø 0.3125"
±0.002"
144.0"±24.0" Per AMS 6322, AMS 2301, ASTM A331 AMS-S-6049
Please sign in for Pricing.
$0.00 / lb
Updating stock
Please call for price
(888) 482-6486
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