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Description / Abstract:
This specification covers minimum wall thickness welded tubes
made from carbon and carbon manganese steels listed in Table 1,
with various grades intended for use in boiler, superheater, heat
exchanger, or condenser applications.
The tubing sizes and thicknesses usually furnished to this
specification are ¼ to 5 in. [6.3 to 127 mm] in outside diameter
and 0.015 to 0.375 in. [0.4 to 9.5 mm], inclusive, in wall
thickness. Tubing having other dimensions may be furnished provided
such tubes comply with all other requirements of this
specification.
Mechanical property requirements do not apply to tubing smaller
than 1⁄8 in. [3.2 mm] in inside diameter or
0.015 in. [0.4 mm] in thickness.
The values stated in either inch-pound units or SI units are to
be regarded separately as standard. Within the text, the SI units
are shown in brackets. The values stated in each system are not
exact equivalents; therefore, each system must be used
independently of the other. Combining values from the two systems
may result in nonconformance with the specification. The inch-pound
units shall apply unless the "M" designation of the specification
is specified in the order.
Optional supplementary requirements are provided and when
desired, shall be so stated on the purchase order.
This standard does not purport to address all of the safety
concerns, if any, associated with its use. It is the responsibility
of the user of this standard to establish appropriate safety and
health practices and determine the applicability of regulatory
requirements prior to use.