Heat treatment
- Stress-relief annealing (at 650°C)
max. workpiece size     max. weight	L 5,300 mm W 3,200 mm H 2,300 mm 12.5 t
Welding
- Welding procedures
MAG (135, 136)   E (111) UP (121 and 123) 783	active-gas metal-arc welding with solid wire and cored wire manual electro-welding, submerged-arc welding stud welding
- Materials
	regular, medium, and high-tensile strength structural steels of the material groups W01, W03
- Welding certificates	DIN 18800 T7 class E GL welding permit