S235 grade steel is a readily weldable low carbon steel with good impact resistance (including in sub-zero temperatures).
S235 is a summary of a number of properties that the material has. For example, the ‘S’ indicates ‘Structural’. Loosely, that means structural steel or steel. The ‘235’ indicates the yield strength in MPa (megapascals in N/mm²) at a thickness of 16 mm. This is an important value because as soon as a tensile force of 235 megapascals is reached, the steel will start to flow, resulting in permanent plastic deformation.
Standard: Asant, Asme, Aisi, Jab, Jis, Day, B, B.S.
Appliation: Chilled Water Pipe, Drinking water Pipe, Waste Water Pipe, Structural Tube, Fluid Pipe, Boiler Pipe, Oil and Gas Transportation Pipe, Mechanical Structure Pipe
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Chemical composition and mechanical properties Of S235 steel pipe：
| Chemical composition of S235 steel pipe | |||||
| Element | C | Mn | P | S | Si |
| Content | 0.22 max | 1.60 max | 0.05 max | 0.05 max | 0.05 max |
| Physical properties of S235 steel pipe | ||||
| Grade | Tensile strength | Yield point | Elongation after breaking | Impact energy Akv20 degrees |
| S235 | 340-470 | ≥235 | ≥24 | ≥27 |
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