General criteria for welding steel qualities JR, J0, J2, and K2 are specified in EN 1011-2 while recommendations for hot/ cold forming and flame straightening are described in CEN/TR 10347.
EN 10025 Technological properties cold coil indicated in EN 10025 are as follows:
- Products that are ordered and delivered in as-rolled or thermomechanical rolled states are not suitable for hot forming.
- Steel grades and qualities suitable for cold forming must be identified by the proper steel name and number.
- If indicated at the time of order, steels with a width of less than 150 mm and thickness of equal to or less than 30 mm, are suitable for flanging without cracking with the least advised bend radii.
- Production of steel sections by cold rolling can be done if the steel sheet is with a nominal thickness of less than 8 mm.
- With standard processes, any steel grades and qualities are machineable.
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