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  • Identification method of spiral pipe thread

    The spiral steel tube method for identifying the most effective is the use of joint rule, this rule is a specific marker of the vernier caliper diameter of external thread root diameter and inner screw thread hole expansion, easy to use, i...

  • Advantages of stainless steel elbow and installation

    Stainless steel elbow should pay attention to seal in installation, to prevent the surge leakage phenomenon, affecting the normal operation of pipeline. Under normal circumstances, can be installed anywhere in the pipeline, but the test ne...

  • Changzhou YingYuan call you identify stainless steel pipe

    The following simple identification method of stainless steel pipe: A, copper sulfate test Copper sulfate test is the most convenient method for fast to distinguish between ordinary carbon steel and all kinds of stainless steel pipe. The u...

  • Precision seamless bright mechanical properties

    Precision bright tube technology introduction: high quality carbon steel, finishing, no oxidation of bright heat treatment (NBK), nondestructive testing, the inner wall of steel pipe with special equipment after high-pressure washing, brus...

  • The excellent characteristics of stainless steel flanged gat

    The valve is connected to the valve flange connection, this is most common. Flange gate valve used in the pipeline is stable and reliable, so in the high-pressure pipeline flange gate valve. Tags: stainless steel flange high-pressure flang...