Seamless medium carbon steel tubes for boiler and superheater.

Application: for manufacturing wall panel, economizer, superheater and steam pipeline of boilers.

Grade and chemical composition

Grade	C	Mn	P	S	Si
A-1	≤0.27	≤0.93	≤0.035	≤0.035	≥0.1
C	≤0.35	0.29-1.06	≤0.035	≤0.035	≥0.1

Mechanical Properties

Grade	Tensile Point Mpa	Yield Point Mpa	Elongation
A-1	≥255	≥415	≥30
C	≥275	≥485	≥30