Other Steel Tubes   | Steel grades                                                                 | 
|                                                    | Material Name                               | Material Number                         | Former Material Name                                   | 
Tubes for Hydraulic and  Pneumatic (HPL) EN 10305-4 (DIN 2391/1630)  | E235 E355 E410 E470  | 1.0308 1.0580 1.0509 1.0536   | St37.4 St52.4 - -  | 
|   |   |   |   | 
Threaded tubes   EN 10255:2004 + A1:2007 M+H              (DIN 2440, 2441) | S195   |  1.0026  | St33   | 
|   |   |   |   | 
Boiler tubes   EN 10216-2 (DIN 17175) EN 10217-2 (DIN 17177)  | P235GH +TC1/TC2 P265GH P335GH P355NL1 16Mo3 10CrMo9-10 13CrMo4-5 25CrMo4 34CrMo4 X10CrMoVNb9-1 X20CrMoV11-1 X20CrMoV12-1  | 1.0345 1.0435 1.0473 1.0566 1.5415 1.7380 1.7335 1.7218 1.7220 1.4903 1.4922 1.4923  | St35.8 St42.8 19Mn6 TStE355 15Mo3 - 3CrMo44 - - - -  -  | 
|   |   |   |   | 
  Turned parts tubes EN 10294-1 seamless  | E260 E355 E355J2 E470 20MnV6 E470J2 E590K2   | 1.0220 1.0580 1.0592 1.0536 1.5217 1.0599 1.0644   | - St52 St52-3 - - 20MnV6N 20MnV6V   | 
|   |   |   |   | 
Other tubes  | S235JRG1 42CrMo4   | 1.0036 1.7225   | - -   | 
Further steel tubes  on request!  |   |   |        |