China En 10305-1 E355 Seamless Cold Drawn Tubes Pipes, Find details about China En 10305-1 E355 Steel Pipe, E355 Pipe from En 10305-1 E355 Seamless Cold Drawn Tubes Pipes
Designation | Symbol a | Description |
Cold drawn / hard | +C | No final heat treatment after final cold drawing. |
Cold drawn / soft | +LC | Final heat treatment is followed by a suitable drawing pass (limited reduction of area) |
Cold drawn and stress relieved | +SR | After final cold drawing the tubes are stress relieved in a controlled atmosphere. |
Soft annealed | +A | After final cold drawing the tubes are soft annealed in a controlled atmosphere |
Normalized | +N | After final cold drawing the tubes are normalized in a controlled atmosphere. |
a:In accordance with EN 10027-1 |