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Question:

D108*4 what does "D108" mean by seamless steel tubes? What does "*4" mean?

D108*4 what does "D108" mean by seamless steel tubes? What does "*4" mean?

Answer:

Seamless steel pipe: a pipe with a hollow cross section, used as a conduit for transporting fluids, such as pipelines for transporting petroleum, natural gas, gas, water, and certain solid materials. Compared withsteel and roundsteelinsolid, flexural torsional strength in the same time, the weight is light, is a kind of economic section steel, widely used in the manufacture of structural parts and mechanical parts, such as the oil pipe, automobile transmission shaft, the bicycle frame and steel construction with scaffold with steel pipe manufacturing ring parts can be improved the utilization rate of materials, simplify the manufacturing process, material saving and working hours, has been widely used to manufacture steel tube.
D108: refers to the outer diameter of 108mm;4: refers to the wall thickness of 4mm.

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