0.313" OD x 0.028" Wall x 0.257" ID Alloy Steel Round Tube 4130-Cond. N Seamless MPN:21358_72_0
0.313" OD x 0.028" Wall x 0.257" ID Alloy Steel Round Tube 4130-Cond. N Seamless
This 4130 alloy steel round tube is a versatile and durable product suitable for various applications. Its seamless construction and air-hardened heat treatment provide excellent strength and hardness, with a yield strength of 63,000 psi and a Rockwell hardness of 92 HRB. The tube's small diameter and thin wall thickness make it ideal for fasteners, gears, and structural frames in industries such as aerospace, automotive, and construction. Its machinability and heat treatability also make it a great choice for custom fabrication and repair projects, offering a reliable and long-lasting solution for demanding applications.
Top product features:
- Heat treatable for increased strength and durability
- Air-hardened for improved hardness and resistance to wear
- Seamless construction for reduced risk of leaks and increased structural integrity
Top product applications:
- Fasteners
- Gears
- Structural Frames
Alloy Steel Round Tube, Material Alloy Steel, Material Grade 4130, Fabrication Seamless, Heat Treatable Heat Treatable, Heat Treatment Air-Hardened, Mechanical Finish Mill, Inside Diameter 0.257 in, Outside Diameter 5/16 in, Overall Length 6 ft, Wall Thickness 0.028 in, Yield Strength 63,000 psi, Machinability Not Rated, Rockwell Hardness 92 HRB, Appearance Metallic, Application Fasteners, Gears, Structural Frames, Brinell Hardness 197 BHN
Additional Information
- Country of Origin: ZZ
- Drop Ship Item: Yes
- Blind Ship Eligible: No
- LTL Freight Required: No
- Lead Time: Ships in 2 days
- Minimum Order Quantity: 1
- Unit of Measure: EA
- Package Length: 72.50
- Package Width: 0.81
- Package Height: 0.81
- Package Weight: 0.54
Product info last updated on March 21, 2026 4:10am UTC
Category: Alloy Steel