Alloy & Tool Steels
Alloy steels
Details will be posted later…..
| TTSR series General features | The outside of the pipe is stoned, the cold welding seam is stretched E355+C (EN 10305-2) / St52-3 BK (DIN 2393) |
| Steel grade | E355 (EN 10305-2)/ St52-3 (DIN 2393) |
| Thermal operation | C (EN 10305-2) / BK (DIN 2393)+ |
| Dimensional range | from OD 40 * ID 32 mm to OD 170*ID 162 mm |
| tolerance | ISO f7 (OD) , ISO H9 (ID) |
| Standard length | 5000-8000mm Special lengths upon request |
| External surface smoothness (ID) | (0.5-0.15um Statistical average)OD:Ra max 0.20 um (0.4-0.5um Statistical average)ID:Ra max 0.80 um |
| Indeed during | (max. 0.8mm:1000 Statistical average)max. 1mm: 1000 |
| centrifugal | Maximum 3% of pipe wall thicknes |