1.625" OD x 0.188" Wall x 1.249" ID Alloy Steel Round Tube 4130-Cond. N Seamless MPN:21551_72_0
1.625" OD x 0.188" Wall x 1.249" ID Alloy Steel Round Tube 4130-Cond. N Seamless
This high-strength 4130 alloy steel round tube is ideal for demanding applications where durability and reliability are crucial. Its seamless construction and air-hardened heat treatment ensure exceptional strength and resistance to fatigue, making it perfect for fasteners, gears, and structural frames. With a yield strength of 63,000 psi and a Brinell hardness of 197 BHN, this tube can withstand heavy loads and harsh environments. Its machinability and finish make it easy to work with, and its compact size allows for efficient use in a variety of industries, including aerospace, automotive, and construction.
Top product features:
- Heat treatable for improved strength and durability
- Air-hardened for enhanced mechanical properties
- Seamless fabrication for increased structural integrity and reduced risk of cracking
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 1.249 in, Outside Diameter 1 5/8 in, Overall Length 6 ft, Wall Thickness 0.188 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: 2.12
- Package Height: 2.12
- Package Weight: 17.34
Product info last updated on January 20, 2026 1:27am UTC
Category: Alloy Steel