ASTM A 423/A 423M Standard Specification for Seamless and Electric-Welded Low-Alloy Steel Tubes
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ASTM A 423/A 423M Document Information:
Title
Standard Specification for Seamless and Electric-Welded Low-Alloy Steel Tubes
ASTM International
Publication Date:
Sep 10, 1995
Scope:
This specification(Footnote 2) covers minimum-wall-thickness, seamless
and electric-resistance
welded, low-alloy steel tubes for pressure containing parts such as
economizers or other
applications where corrosion resistance is important.
The tubing sizes and thicknesses usually furnished to this
specification are ½ to 5 in.
[12.7 to 127 mm] in outside diameter and 0.035 to 0.500 in. [0.9 to
12.7 mm] inclusive, in minimum
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
¼ in. [3.2 mm] in
inside diameter or 0.015 in. [0.4 mm] in thickness.
An optional supplementary requirement is provided and, when desired,
shall be so stated in the
order.
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 this specification is specified in
the order.
Footnote 2 - For ASME Boiler and Pressure Vessel Code applications see
related Specification SA-423
in Section II of that Code.
Keywords:
- seamless steel tube
- steel tube
- alloy
- welded steel tube
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