Steel tube is lighter than steel bar if both of them have the same torsional strength in bending. Steel tube is a kind of economic steel which has a hollow cross-section. It is widely used for transportation of fluids, such as oil, gas, water, some solid materials and so on as well as the manufacture of structural parts and mechanical parts, such as oil drill pipe, automotive drive shafts, bicycle frame, bearing sleeves, etc.
Equivalent Grades: STM A106, ASME SA106 pipe. A106 is a kind of carbon steel pipe of USA standard. It can transport various fluids and gases under the high pressure and high temperature, and is often used for steam, petrochemical products, natural gas and other industrial piping systems. A106 can be widely used in petroleum, chemical, boilers, power plant, ships, machinery manufacturing, automotive, aviation, aerospace, energy, construction and military industries.
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