The types of thick-walled seamless steel pipes

How many types of thick-walled seamless steel pipes are there? Hot-rolled thick-walled seamless steel pipe, cold-rolled thick-walled seamless steel pipe, cold-drawn thick-walled seamless steel pipe, kneaded thick-walled seamless steel pipe, stainless steel seamless pipe for pipe jacking structure (GB/T14975-2002) is used for Seamless steel pipe with general structure and mechanical structure, widely used in hot-rolled (extruded, expanded) and cold-made stainless steel made of corrosion-resistant pipes and structural parts and parts of chemical, petroleum, textile, medical, food, machinery and other industries Pull (roll) seamless steel pipe.seamless steel pipe supplier

The types of thick-walled seamless steel pipes

Stainless steel seamless pipe for fluid transportation (GB/T14976-2002) is a general seamless steel pipe for transporting water, oil, gas, etc., usually hot rolled (squeezed, expanded) and cold drawn (rolled) made of stainless steel. ) Seamless steel pipe. The profiled seamless steel pipe is a general term for seamless steel pipes of other cross-sectional shapes other than round pipes.

According to the different dimensions of the cross-section of the steel pipe, it can be divided into equal-wall thick-shaped seamless steel pipe (code D), unequal wall thickness profiled seamless steel pipe (code BD), and variable-diameter profiled seamless steel pipe (code BJ). Shaped seamless steel tubes are widely used in various structural parts, things and mechanical parts. Compared with the round pipe, the special-shaped pipe generally has a large moment of inertia and a section modulus, and has a large bending and torsion resistance, which can greatly reduce the structural component and save steel.

Commonly used thick-walled seamless steel tubes to meet the standard structure of seamless steel tubes (GB/T8162-2008) are seamless steel tubes for general structural and mechanical structures. The seamless steel pipe for fluid transportation (GB/T8163-2008) is a general seamless steel pipe for transporting fluids such as water, oil and gas.

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