Suitable for use in boilers, superheaters, heat exchangers, condensers, refining furnaces and feedwater heaters, whether or not cold-drawn

730640 Other, welded, of circular cross section, of stainless steel:

73064010 Having a wall thickness of less than 1.65 mm

7306401010 Containing more than 1.5 percent but less than 5 percent by weight of molybdenum

7306401015 Other

7306401090 Other

73064050 Having a wall thickness of 1.65 mm or more

7306405005 Of high-nickel alloy steel

7306405015 Suitable for use in boilers, superheaters, heat exchangers, condensers, refining furnaces and feedwater heaters, whether or not cold-drawn

7306405040 Containing more than 0.5 percent but less than 24 percent by weight of nickel

7306405042 Containing less than 15 percent by weight of chromium

7306405044 Other

7306405062 Containing more than 1.5 percent but less than 5 percent by weight of molybdenum

7306405064 Other

7306405080 Other

7306405085 Containing more than 0.5 percent but less than 24 percent by weight of nickel

7306405090 Other