St52-3 is precision steel pipe material according to DIN 2393, which specify the high quality cold drawn welded tubes with a wide dimension range for pneumatic cylinders. It was often be heat treatment by cold rolled.
EN 10305-2 E355
Heat treatment: +BK
Inner diameter: 32x36 mm to 200x210 mm
Lengths: 5 – 8 m
Tolerance class: ISO H9
Inside surface roughness: Ra ≤ 0.4 µm
Straightness: 1 mm-1000 mm max
Material St52-3 are mainly used in the manufacturing of pneumatic cylinders and other precision applications. World iron&steel is one of the leading cylinder steel tube manufacturers and suppliers in China, If you want to buy or import the best quality St52-3 steel pipes, please feel free to contact us. We are pleased to meet your plumbing needs. Call us today!