Specifications
Range
Out Diameter
10.2mm - 2020mm
Wall Thickness
1.6mm - 20mm
DIN 2458 Standard applies to the dimensions and the conventional masses per unit length of welded steel pipes according to the technical conditions of delivery as stipulated in DIN
1628 Part 1 to part 4, DIN 17172 and DIN 17177. St37.2 welded pipe also applies to other technical conditions of conditions of delivery in which reference to DIN2458 standard is made.It defines that sector, selected from DIN ISO 4200, within which welded steel pipes are standardized.It does not apply to precision steel tubes according to DIN 2393 and DIN 2394.
DIN2458 St 37.2 welded steel pipe chemical composition
| Chemical composition | ||||||||
| Steel grade | Type of deoxidation (RR.fully killed) | Chemical composition, % by mass | Addition of nitrogen fixing elements (e.g.no less than 0.020% Al total) | |||||
| Symbol | Material number | C | Si | N | P | S | ||
| max | max | |||||||
| St 37.2 | 1.0037 | RR | 0.17 | -- | 0.009 | 0.050 | 0.050 | -- |
DIN2458 St 37.2 welded steel pipe mechanical property
| Steel grade | Upper yield stress Reh for wall thickness in mm | Tensile N/mm2 | Elongation after A5 | Impact ISO V-notch test pieces at+20°C | |||||
| Symbol | Material number | Up to 16 | 16-40 | 40-65 | longitudinal | transverse | longitudinal | transverse | |
| N/mm2 min | % min | / min | |||||||
| St 37.2 | 1.0037 | 235 | 225 | 215 | 340 to 510 | 17-26 | --- | 27 | -- |
