Stainless steel elbow is also a kind of stainless steel special-shaped tube, mainly to distinguish the shape of the tube after forming, such as U-shaped tube, J-shaped tube, S-shaped tube, 90-degree snake head elbow, etc.
1)Outer Diameter: +/-0.05mm.
4)Ensure product concentricity.
5)Soft tube: 180~210HV.
6)Neutral tube: 220~300HV.
7)Hard tube: more than 330HV.