Sigma phase in welds can be minimized by controlling ferrite in the range of _________ for Type 347 SS.
A . 3%-5%
B . 5%-7%
C . 7%-9%
D . 5%-9%
Answer: D
Sigma phase in welds can be minimized by controlling ferrite in the range of _________ for Type 347 SS.
A . 3%-5%
B . 5%-7%
C . 7%-9%
D . 5%-9%
Answer: D