Table 5 Hardness of the weldments.

From: Mechanical properties and residual stresses in multi pass AISI 304 to AISI 1018 steel welds by SMAW and GTAW

Hardness (HRC)

 

Base metal AISI1018

HAZ AISI1018

Weld center

HAZ AISI304

Base metal AISI304

SMAW

16

21

36

29

23

SMAW PWHT

13

16

32

26

20

GTAW

17

23

41

36

22

GTAW PWHT

15

17

37

31

21

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