Table 2.

Preparation technology of samples hard-faced by the “hard” filler metal.

Sample Number	Base Metal	Pre Hard-Facing Heat Treatment	Hard-Facing		Post Hard-Facing Heat Treatment
			Filler Metal	Welding Procedure According to AWS
1	20MnCr5	Preheating	Inox 18/8/6 + EDUR 600	MMAW (111)	Low-temperature tempering
2			Castolin 2
3			DUR 600-IG	GTAW (TIG) (141)
4			UTP 670	MMAW (111)
5			Tooldur