Table 1 Chemical composition of the as-cast furnace tubes.

From: Combining ultrasonic guided wave and low-frequency electromagnetic technology for defect detection in high-temperature Cr–Ni alloy furnace tubes

Element

C

Nb

Cr

Ni

Ti

Si

Fe

Percentage /(wt,%)

0.5

1.0

35.44

43.57

0.01

1.6

17.88

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