1.625" OD x 0.188" Wall x 1.249" ID Alloy Steel Round Tube 4130-Cond. N Seamless MPN:21551_48_0
1.625" OD x 0.188" Wall x 1.249" ID Alloy Steel Round Tube 4130-Cond. N Seamless
This 1.625in OD x 0.188in Wall x 1.249in ID Alloy Steel Round Tube is a versatile and durable material suitable for various applications including fasteners, gears, and structural frames. Its air-hardened heat treatment and mill finish provide excellent machinability and a Rockwell hardness of 92 HRB. The tube's 63,000 psi yield strength and 197 BHN Brinell hardness make it ideal for high-stress environments. With a seamless fabrication and alloy steel composition, this tube is perfect for use in critical applications where strength and reliability are paramount, such as in the manufacturing of aircraft, automotive, and industrial equipment.
Top product features:
- Air-Hardened for increased strength and durability
- Heat Treatable to allow for further processing and customization
- Mill Finish for improved machinability and surface quality
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 4 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: 48.50
- Package Width: 2.13
- Package Height: 2.13
- Package Weight: 11.56
Product info last updated on May 3, 2026 10:19am UTC
Category: Alloy Steel