References
- Lomozik , M . 1995 . ‘Investigations into the effect of repeated welding thermal cycles on the properties of joints welded in steels intended for working at elevated temperatures’ . IS Research Report ,
- Staub , F . 1994 . ‘Metallurgy’ , Katowice : Publ Slaskie Wydawnictwo Techniczne .
- Polish Standard PN-75/H-84024 . ‘Steel for working at elevated temperatures. Grades.’ ,