Stainless steel seamless elbow is simply a pipe corner made by bending a complete metal pipe, mainly used to change the direction of the pipe (such as right angle turning or oblique angle turning), without welds, making it more durable.
Seamless elbow is a seamless integrated stainless steel elbow, which is directly heated with a round tube and pushed into shape like kneading rubber clay (hot pushing process) or bent with a mold (stamping process). The pipe wall has no welding seams to avoid the risk of cracking and water leakage.
It competes with welded elbows, guess who wins?
In terms of strength, seamless elbows do not crack even under high pressure and high temperature (such as in nuclear power plants), while the welds of welded elbows may crack, fearing high pressure impact.
Inner wall comparison: Seamless elbows are as smooth as mirrors, with smooth fluid flow. Welded elbows have welding scars, which are prone to scaling and pipe blockage.
Cost wise: Seamless elbows are 30% -50% more expensive (due to complex processes), while welded elbows are cheaper and suitable for low-pressure water pipes.
So for high-pressure/corrosive scenarios like chemical plants, stainless steel seamless elbows are chosen, while for cost-effective scenarios like decorating water pipes, welded elbows are sufficient.