EN 10255 Non-Alloy Steel Tubes

EN 10255: Non-Alloy Steel Tubes Suitable for Welding or Threading

Standard: EN 10255

We mainly produce S195T grade non-alloy steel pipes.

Applications Non-alloy steel tube is suited to welding and threads. It is mainly meant for transporting petroleum and fluid.


We has its own steel mill that can provide pure tube billets for pipe processing plants and guarantee the processing quality of non-alloy steel pipes.

EN 10255 standards set the allowable deviation range of non-alloy steel tube for welding and threads. Under the control of JST advanced rolling technology, we effectively reduce the pipe allowable deviation range and make the pipe dimension more accurate, further fulfill the requirements and needs of customers.
Our advanced rolling technology makes the quality of JST non-alloy steel tubes easily reach the standard level. Under the control of advanced rolling technology, our steel tubes have smaller tolerance range compared to other steel pipes produced by other companies.
JST possesses professional technicians for inspection of this inside and outside surface of non-alloy steel pipes. If you have any flaw in the non-alloy steel tube, technicians will do polishing, removal, repair and a number of processes based of their specific characteristics. They will do several reinspections after processing shops. Besides, they measure the wall thickness to make sure stable performance of non-alloy steel water lines.

Specifications of EN 10255 Non-Alloy Steel Pipe

Chemical Composition and Mechanical Property

Grade Chemical composition (%) Mechanical Properties
S195T C Mn P S Yield Strength (Mpa) Tensile Strength (Mpa) Elongation (%)
≤ 0.20 ≤ 1.40 ≤ 0.035 ≤ 0.030 195 320-520 20


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