How to identify the quality of seamless steel pipe

　　Seamless steel pipe is widely used, especially the thick wall seamless steel tube. There is a demand for the quality of thick wall seamless steel pipe, so how to distinguish the quality of thick wall seamless steel pipe?

　　Thick walled seamless steel pipe first high quality is uniform in composition, in the cutting head look very neat, smooth feeling is a kind of feeling, rather than a burr thorn in hand feeling. So if Lower Price Sch 40 Alloy Hot Rolling Seamless steel pipe is incomplete information, in the cutting head is rugged, and all steel looks dull. If it is a fake thick wall seamless steel tube, so the color will have very significant, showing a light red color, and defective thick walled seamless steel pipe in temperature is not up to the standard.