Content:
- Requirements to materials
- Welding instructions
- Welders‘ qualification
- Manufacturers‘ qualification according to DIN 18800-7 and DIN EN 729
- Preparation, execution, inspection and evaluation of weldseams
- Residual stresses, welding distortion, truing, welding plan
- Brittle fractures: history, causes, testing methods and determination of the demanded steel quality
- Lamellar tearings: causes, determination of the demanded steel quality
