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Steel Structual Tubing For Power Steering System

Shannxi Shew-E Steel Pipe Co.,Ltd | Updated: Dec 21, 2018

power steering sys

Power steering system is a power supply system which is used by both mechanical power and engine power. As an important part of the automobile, the automobile steering system is the key assembly that determines the active safety of the automobile. It has gone through three basic development stages: mechanical steering system, hydraulic power steering system and electric power steering system. Heavy vehicles and advanced passenger cars need the total number of turns of steering wheel is not more than five turns, the operating torque is less than 29N.m, so  the set of steering assist device is added to constitute the power steering system based on the machanical steering system.


power steering

Automobile steering system can be composed of steering gear and steering pipe string with different functions, including hydraulic power steering gear (HPS) and electric power steering gear (EPS), which are important parts of automobile power system and the most part of steel pipe used in automobile. The cylinder of hydraulic power steering gear is composed of precision steel pipe, which is one of the most important parts. The hydraulic cylinder is the left/right gland that maintains the piston and provides power through the hydraulic oil. Rack barrel is one of the components of electric power steering gear. The main components of steering pipe string include upper and lower steering shafts (inner and outer pipe string) and steering pipe string which both need structual steel pipe. Automobile steering system is the main application of mechanical and structual steel pipe.


aoto steering system

Structural steel tubing used in power steering system require high pressure and long-term corrosive property, sometimes the tolerances and appearance are less important. The plain carbon and specified alloy steel is regared as the commonly used material for structual application, which including GB10、20、35、45、16Mn、ASTM A519 1020、ASTM A519 1045、ASTM A519 1541; EN 10297-1 E275、EN 10297-1 E315、EN 10297-1 34CrMo4、EN 10297-1 42CrMo4、JIS G3445 STKM13A、JIS G3445 STKM13B and so on.


Due to the mature technology of hydraulic power steering system, which can provide greater steering manipulation power, it is still used by most passenger vehicles and commercial vehicles, especially economic passenger vehicles and heavy commercial vehicles. SHEW-E STEEL PIPE stock a full range of welded and seamless power steering pipe. All the pipes were manufactured with strict process and according with national and international us for more details.



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