0.437″ OD, 0.120″ W, 0.197″ ID, 36 inches long, 4130 Alloy Steel Round Tube
Seamless 4130 alloy steel round tubes have low carbon content for good weldability. To increase their wear resistance, you can harden them with heat treating. Alloy: 4130. Temper: RW C19. Tolerances: OD: (+0.005/-0.002) | Wall: (+/-10%) | Length: (-0/+1″).