ASTM A672 / ASME SA672 / Electric Fusion Welded Steel Pipe for High Pressure Service supplier & distributor in India

ASTM A672-89b/ASME SA672

ELECTRIC FUSION WELDED STEEL PIPE FOR HIGH PRESSURE SERVICE
AT MODERATE TERMPERATURES1

(ASTM A 672 - 89 b / ASME SA 672 /ASTMA672-89b/ASMESA672)

This standard is issued under the fixed designation A 672; 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 specification2 covers steel pipe: electric-fusion-welded with filler metal added, fabricated from pressure-vessel quality plate of any of service analyses and strength levels and suitable for high-pressure service at moderate temperatures. Heat treatment may or may not be required to attain the desired properties or to comply with applicable code requirements. Supplementary requirements are provided for use when additional testing or examination is desired.

1.2 The specification nominally covers pipe 16 in. (405 mm) in outside diameter or larger with wall thicknesses up to 3 in. (75 mm), inclusive. Pipe having other dimensions may be furnished provided it complies with all other requirements of this specification.

1.3 Several grades and classes of pipe are provided.

1.3.1 grade designates the type of plate used.
1.3.2. class designates the type of heat treatment performed during manufacture of the pipe, whether the weld is radiographically examined, and whether the pipe has been pressure tested as listed in 1.3.3.
1.3.3 Class designations are as follows (Note 1):

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