Stainless steel welding elbow

As the appearance of welding elbow, so let's talk about the appearance of welding elbow. Welding elbow appearance are fixed, of course, the appearance of the general welding elbow is depending on the steel pipe and choose different knowledge of welding elbow, so, in order to ensure the welding elbow appearance, steel tube usually come in later, if not been rain-out of the yard, so after high temperature of welding elbow push system, The appearance of the general welding elbow is blue, of course, if it is washed by rain, we are heated by high temperature, the surface color of the welding elbow heated out is red. But on the whole, it is very difficult for us to ensure that the steel pipe is not washed by rain, because even after the yard is washed by rain and foggy water in summer, the surface of the welded elbow produced by pushing is also red.

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