Only general information is presented here.
Please contact ASTM for greater detail.
ASTM
Number Explanation
A-333 Covers nominal wall seamless and welded carbon and alloy steel
pipe intended for low temperature service. (-50 to -320F).
Several grades are covered including Grades 1, 3, 4, 6, 7, 8,
and 9.
A-334 Covers six grades of seamless or welded carbon and alloy steel
tubes intended for use at low temperatures (-50 to -320F).
A-335 Covers nominal wall seamless alloy steel pipe intended for high
temperature service. Pipe ordered to this specification shall
be suitable for bending, flanging, and similar forming
operations, and for fusion welding. Selection will depend upon
design, service conditions, mechanical properties, and high
temperature characteristics. This specification covers twelve
grades, most common of which are Grades 1,5 7, 9, 11 and 22.
A-338 This specification covers malleable iron flanges, pipe fittings
and valve parts, including parts to be assembled for use in
railroad, marine and other heavy duty service applications
where fittings furnished in accordance American National
Standard for Malleable Iron Threaded Fittings, Class 150 and
300 (ANSI B16.3) are not considered adequate.
A-350 This specification covers several grades of carbon and
low-alloy steel forged or ring-rolled flanges, forged
fittings and valve intended primarily for low-temperature
service and requiring notch toughness testing. They are
made to specified dimensions, or to dimensional standards,
such as the ANSI and API specifications referenced in the
full ASTM Specification.
Although this specification covers come piping components
machined from rolled bar and seamless tubular materials.
It does not cover raw material produced in these product
forms.
A-351 This specification covers austenitic and austenitic-ferritic
(duplex) steel castings for valves, fittings and other
pressure-containing parts. Grades included in this
specification are CF3, CF8, CF3M, CF8M, CF3MN and so on.
A-352 This specification covers steel castings for valves, flanges,
fittings and other pressure-containing parts intended
primarily for low-temperature service. This specification
contains the following grades LCA, LCB, LCC, LC1, LC2,
LC2-1, LC3, LC4, LC9 and CA6NM.
A-358 This specification covers electric-fusion-welded
austenitic chromium-nickel alloy steel pipe suitable for
corrosive or high-temperature service, or both.
(Although no restrictions are placed on the sizes of pipe
which may be furnished under this specification, commercial
practice is commonly limited to sizes not less than NPS 8).
A-387 This specification covers chromium-molybdenum alloy steel
plates intended primarily for welded boilers and pressure vessels
designed for elevated temperature service. It covers the following
grades, 2, 5, 9, 11, 12, 21, 21L, 22, 22L and 91.
A-403 This specification covers two general classes, WP
and CR, of wrought austeitic stainless steel fittings of
seamless and welded construction covered by the lastest
revision of ANSI B 16.9, ANSI B 16.11, ANSI B 16.28,
MSS-SP79 and MSS-SP95. Fittings differing from these ANSI
and MSS standards shall be identified with the marking "S9".
A-405 Covers on grade (P-24) of seamless ferritic alloy-steel pipe
specially heated treated for high temperature service.
A-420 This specification covers wrought carbon steel and
alloy steel fittings of seamless and welded construction
covered by the lastest revision of ANSI B 16.9,
ANSI B 16.11, ANSI B 16.28, MSS-SP79 and MSS-SP95.
Fittings differing from these ANSI and MSS standards shall
be identified with the marking "S6". These fittings are
for use in pressure piping and pressure vessel service
at low temperatures.
A-500 Covers cold formed welded and seamless carbon square,
rectangular, or special shape structural tubing for general
structural purposes. Covers three grades:
Grade A - 39,000 psi Min. Yield
Grade B - 46,000 psi Min. Yield
Grade C - 50,000 psi Min. Yield
A-501 Covers hot formed welded and seamless carbon steel, rectangular,
square, or special shape tubing for general structural purposes.
A-512 This specification covers cold-drawn buttweld carbon steel tubes
for use as mechanical tubing. It covers round, square,
rectangular, and special shapes. Common grades in warehouse
stock are 1010, 1015, and 1020.
A-513 This specification covers electric-resistance welded
carbon and alloy steel tubing for use as mechanical tubing.
It covers round, square, rectangular, and special shapes made
from hot or cold rolled steel. It covers "as welded,"
"sink drawn," "mandrel drawn," and "special smooth inside
diameter."
A-519 This specification covers a multitude of grades of
carbon and alloy steel seamless mechanical tubing. It covers
both hot finished and cold drawn tubing up to and including
12-3/4 in. outside diameter with wall thickness as required.
A-524 Covers seamless carbon steel pipe for process piping
applications. Suitable for welding, bending, flanging, and
similar forming operations. Two grades are covered: Grade I
(0.375 in. wall thickness and under) and Grade II
(greater than 0.375 in. wall thickness).
A-618 Covers three grades of hot-formed welded and seamless
high-strength low-alloy square, rectangular, round or special
shape tubing for use in bridge or building construction and
general structural purposes.
A-671 Covers electric-fusion-welded steel pipe with filler
metal added, fabricated from pressure vessel quality plate of
several analyses and strength levels and suitable for service
at atmospheric and lower temperatures.
A-672 Covers electric-fusion-welded steel pipe with filler
metal added, fabricated from pressure vessel quality plate of
several analyses and strength levels and suitable for
high-pressure service at moderate temperatures.
A-691 Covers electric-fusion-welded carbon and alloy steel
pipe with filler metal added, fabricated from pressure vessel
quality plate of several analyses and strength levels and
suitable for high-pressure service at high temperatures.
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