Intelligent Testing and Analysis of Dissimilar Steel Welds for Industrial Throttle Flowmeter

Table 4

Specimen impact test.

No.	Impact test
	Weld joint 20°C KV2					Heat affected zone 20°C KV2
Specimen 1	64	35	43	44	67	183	Unbroken	Unbroken	Unbroken	Unbroken
Specimen 2	84	85	66	77	141	233	183	209	223	221
Specimen 3	11	13	14	26	17	157	183	164	189	153
Specimen 4	18	21	35	23	32	197	204	208	187	175