Fire-Side Corrosion: A Case Study of Failed Tubes of a Fossil Fuel Boiler

Table 1

Chemical composition of low-alloy steel: ASTM A213 T12 and A213 T22.

Wt.%	Carbon	Manganese	Phosphorus	Sulphur	Silicon	Chromium	Molybdenum
A213 T12	0.05–0.15	0.30–0.61	0.025	0.025	0.50	0.8–1.25	0.44–0.65
A213 T22	0.05–0.15	0.30–0.60	0.025	0.025	0.50	1.90–2.60	0.87–1.13