A
778
STANDARD
SPECIFICATION FOR WELDED, UNANNEALED AUSTENITIC
STAINLESS STEEL TUBULAR PRODUCTS
Overview
1.1 This specification covers straight
seam and spiral butt seam welded unannealed austenitic
stainless steel tubular products intended for low
and moderate temperatures and corrosive service
where heat treatment is not necessary for corrosion
resistance. The user of this specification should
be aware that a minimum amount of testing and examination
is required of the basic product. The user requiring
additional testing or examination is referred to
the supplemental requirements or Ordering Information,
or both. Users requiring a tubular product with
post-weld heat treatment or with radiographic examination
are referred to Specifications A 312, A 358, or
A 409 as applicable.
1.2 This specification covers welded
unannealed tubular products 3 in. (75 mm) through
48 in. (1200 mm) in outside diameter and in nominal
wall thicknesses of 0.062 in. (1.5 mm) through 0.500
in. (12.5 mm) produced to this specification. Tubular
products having other diameters, or wall thickness,
or both may be furnished provided it complies with
all other requirements of this specification.
1.3 The values stated in inch-pound
units are to be regarded as the standard.