ASTM A556 GR C2 Seamless Cold Drawn Carbon Steel Feedwater Heater U-Tubes

ASTM A556 GR C2 Seamless Cold Drawn Carbon Steel Feedwater Heater U-Tubes

ASTM A556 / A556M A2,B2,C2 Standard Specification for Seamless Cold Drawn Carbon Steel Feedwater Heater Tubes. The tubes are mainly delivered in the form of U-Bend tube.

Grades:ASTM A556 Grade A2, Grade B2, Grade C2

ASTM A 556 This standard is issued under the fixed designation A 556/A 556M; the number immediately following the designation indicates the year of original adoption or, in the case of revision, the year of last revision. A number in parentheses indicates the year of last reapproval. A superscript epsilon ( ε) indicates an editorial change since the last revision or reapproval. 

1.Scope 

1.1 This specification covers minimum-wall-thickness, seamless cold-drawn carbon steel tubes including bending into the from of u-tubes, if specified, for use in tubular feedwater heaters. 

1.2 The tubing sizes covered shall be 5/8 to 1 2/4-in. [15.9 to 31.8-mm] outside diameter, inclusive, with minimum wall thicknesses equal to or greater than 0.045 in. [1.1 mm].