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ASME Number
and explanation... |
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SA-36* - Covers carbon steel
shapes, plates, and bars of structural quality for use in riveted,
bolted. or welded construction of bridges and buildings, and for general
structural purposes. When the steel is used in welded construction,
welding procedure shall be suitable for the steel and the intended
service.
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SA-53* - Covers seamless and
welded black and hot-dipped galvanized steel pipe in nominal sizes 1/8
in. to 26 in., incl. with nominal (average) wall thickness. Pipe having
other dimensions may be furnished provided such pipe com plies with all
other requirements of this specification.
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1.2 Pipe may be furnished in
the following types and grades; |
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1.2.1 Type F—Furnace-butt
welded, continuous welded, |
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1.2.2 Type
E—Electric-resistance welded, Grades A and B, and |
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1.2.3 Type S—Seamless,
Grades A and B |
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1.3 Pipe ordered under this
specification is suitable for welding, and suitable for forming
operations involving coiling, bending and flanging, subject to the
following qualifications; |
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1.3.1 Type F is not intended
for flanging. |
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1.3.2 When Types S and E are
required for close coiling or cold bending, Grade A should be specified.
This provision is not intended to prohibit the cold bending of Grade B
pipe. |
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1.3.3 When pipe is required
for close coiling, this should be specified on the order. |
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1.3.4 Type E may be
furnished either non-expanded or cold expanded at the option of the
manufacturer. When pipe is cold expanded, the amount of expansion shall
not exceed 1.5% of the O.D. pipe size.
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SA-105 - Covers forged
carbon steel piping components for ambient and higher temperature
service in pressure systems. Included are flanges, fittings, valves and
similar parts to specified dimensions or to dimensional standards such
as those ANSI and API specifications.
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SA-106** - Covers seamless
carbon steel pipe for high temperature service in nominal sizes 1/8 in.
to 26 in. inclusive. With nominal (average) wall thickness as given in
ANSI B36.10. Pipe having other dimensions may be furnished provided such
pipe complies with all other requirements of these specifications. Pipe
ordered under this specification shall be suitable for bending, flanging
and similar forming operations.
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A-120 - This specification
covers black and hot-dipped galvanized welded and seamless steel pipe in
nominal sizes 1/8in. to 16 in. inclusive with nominal (average) wall
thickness. Pipe having other dimensions may be furnished provided such
pipe complies with all other requirements of this specification . Pipe
ordered under this specification is intended for ordinary uses in steam,
water, gas, and air lines, but is not intended for close coiling or
bending, or high temperature service. No to this specification, except
hydrostatic test which shall be made at the mills, as this specification
is intended to cover pipe purchased mainly from jobber’s stocks.
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SA-134** - Covers
electric-fusion (arc)-welded straight seam or spiral seam steel plate
pipe 16 in. and over in diameter (inside or outside as specified by
purchaser), with wall thicknesses up to ¾ in., inclusive. Pipe having
other dimensions may be furnished provided such pipe complies with all
other requirements of these specifications. The pipe is intended for
conveying liquid, gas or vapor.
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SA-135* - Covers two grades
of electric-resistance welded steel pipe in nominal sizes 2 in. to 30
in. inclusive with nominal (average) wall thickness up to 0.500 in.
(12.70 mm), inclusive and in nominal sizes ¾ to 5 in. inclusive with
nominal (average) wall thickness 0.083 in. (2.11 mm) to 0.134 in.
(3.40mm) depending on size. Pipe having other dimensions may be
furnished provided such pipe complies with all other requirements of
this specification. The pipe is intended for conveying liquid, gas or
vapor: and only Grade A is adapted for flanging and bending.
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SA-155** - Covers
electric-fusion-welded steel pipe suitable for high-pressure service and
for use at high, intermediate, or lower temperatures, depending upon
grade of material specified in outside diameters 16 in. and larger with
wall thicknesses up to 3,000 in. incl.
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SA-178* - Covers
electric-resistance-welded tubes made of carbon steel and intended for
use as boiler tubes, boiler flues, super-heater flues, and safe ends.
The tubing sizes and thicknesses usually furnished to this specification
are ½ in. to 5. in. O.D. and 0.035 in. to 0.320 in. inclusive in minimum
wall thickness. |
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SA-179* - Covers seamless
cold-drawn low-carbon steel tubes for tubular heat exchangers,
condensers, and similar heat transfer apparatus. Covers tubes 1/8 to 3
in., incl. In outside diameter.
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SA-181* - Covers forged or
rolled steel pipe flanges, forged fittings and valves and parts for
general service. Two grades or material are covered, designated as
grades I and II, respectively, and are classified in accordance with
their chemical and physical properties.
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SA-182* - Covers forged or
rolled alloy-steel pipe flanges, forged fittings and valves and parts
intended for high-temperature service. The term “forgings” used in this
specification shall be understood to cover one of all of the products
mentioned above, either forged or rolled.
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SA-192* - Covers seamless
carbon steel boiler and super-heater tubes for high-pressure service.
The tubing sizes and thicknesses usually furnished to this specification
are ½ in. to 7 in. O.D. and 0.085 in. to 1.000 in., inclusive in minimum
wall thickness.
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SA-199* - Covers several
grades of chromium molybdenum and chromium-molybdenum silicon seamless
cold-drawn intermediate alloy steel tubes for heat exchangers,
condensers, and similar heat transfer apparatus. The tubing Sizes
usually furnished to this specification are 1/8 in. to 3 in. O.D.
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SA-209* - Covers several
grades of seamless carbon molybdenum alloy-steel boiler and super-heater
tubes. Covers tubes ½ to 5 in., incl., in minimum wall thickness.
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SA-210* - Covers seamless
medium-carbon steel boiler tubes and boiler flues, including safe ends,
arch and stay tubes, and super-heater tubes. The tubing sizes and
thicknesses usually furnished to this specification are ½ in. to 5 in. O.D. and 0.035 in. to 0.500 in.. inclusive in minimum wall thickness.
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SA-213* - Covers seamless ferritic and austenitic steel boiler and super-heater tubes and
austenitic steel heat exchanger tubes, designated Grades T 5, TP 304,
etc. These steels are listed in Tables I and II, respectively. Grades IP
304 H, TP 316 H. TP 321 H. TP 347 H, and IP 348 H are modifications of
Grades TP 304, TP 316, TP 321. TP 347, and TP 348. and are intended for
high temperature service such as for super-heaters and re-heaters. The
tubing sizes and thicknesses usually furnished to this specification are
1/8 in. in inside diameter to 5 in. in outside diameter and 0.015 in. to
0.500 in., inclusive, in minimum wall thickness.
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SA-214* - Covers
electric-resistance-welded carbon steel tubes to be used for heat
exchangers, condensers, and similar heat-transfer apparatus. The tubing
sizes usually furnished to this specification are to 3 in. O.D.
inclusive.
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SA-226* -
Covers
electric-resistance-welded carbon steel boiler and super-heater tubes
for high pressure service. The tubing sizes and thicknesses usually
furnished to this specification are ½ in. to 5 in. O.D. and 0.085 in. to
0.360 in., inclusive in minimum wall thickness.
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SA-234** - Covers wrought
carbon steel and alloy steel fittings of seamless and welded
construction for use in pressure piping and in pressure vessel
fabrication for service at moderate and elevated temperatures. The term
”fitting” applies to butt-welding, socket-end, and threaded end parts
such as 45-deg and 90 deg elbows. 180-deg return bends, caps, tees,
reducers, lap-joint stub ends, and other types as covered by the latest
revision of ANSI B16.9, MSS SP48, and ANSI B16.11.
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SA-249* - Covers welded
tubes made from the austenitic steels with various grades intended for
such use as boiler, super-heater, heat exchanger, or condenser tubes.
Grades TP 304H, TP 316H,TP 321 H,TP 347H, and TP 348H are modifications
of grades TP 304, TP 316, TP 321., TP 347, and TP 348. and are intended
for high-temperature Ser vice such as for super-heaters and re-heaters.
The tubing sizes and thickness usually furnished to this specification
are 1/8 in. in inside diameter to 5 in. in outside diameter and 0.015
in. to 0.320 In., incl. in minimum wall thickness.
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SA-250** - Covers several
grades, designated T 1, T 1a. T lb. of electric-resistance-welded,
carbon-molybdenum alloy-steel boiler and super heater tubes. The tubing
sizes and thicknesses usually furnished to this specification are T/2
in. to 5 in. O.D. and 0.035 in. to 0.320 in., inclusive in minimum wall
thickness.
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SA-268** - Covers nine
grades of stainless steel tubing for general corrosion-resisting and
high-temperature service. These grades are commonly known as the
“straight chromium” types and are characterized by being ferro-magnetic.
Two of these grades, TP 410 and TP 329 (Table 1). are amenable to
hardening by heat treatment, and the high-chromium. ferritic alloys are
sensitive to notch-brittle ness on slow cooling to ordinary
temperatures. These features should be recognized in the use of these
materials. Grade 409 may be ordered with no final heat treatment pro
vided the purchase order so specifies and the material meets all of the
other requirements of the specifications.
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SA-312** - Covers seamless
and welded austenitic steel pipe intended for high-temperature and
general corrosive service. Sixteen grades are covered. Grades TP 304H,TP
316H, TP 321H, TP 347H and TP 387H are modification of Grades TP 304, TP
316, TP 321, TP347 and TP 387, and are intended for high temperature
service.
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SA-333** - Covers nominal
(average) wall seamless and welded carbon and alloy steel pipe intended
for use at low temperatures, Several grades of ferritic steel are
included. Some product sizes may not be available under this
specification because heavier wall thicknesses have an adverse affect on
low-temperature impact properties.
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SA-334* - Covers several
grades of seamless and welded carbon and alloy-steel tubes intended for
use at low temperatures. Some product sizes may not be available under
this specification because heavier wall thicknesses have an adverse
effect on low temperature impact properties.
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SA-335** - Covers nominal
(average) wall seamless alloy-steel pipe intended for high temperature
service. Pipe ordered to this specification shall be suitable for
bending, flanging (van. stoning), and similar forming operations, and
for fusion welding. Selection will depend upon design, service
conditions, mechanical properties, and high-temperature characteristics.
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SA-350* - Covers carbon and
alloy steel forged or rolled flanges, forged fittings, valves and parts
intended for low-temperature service.
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SA-358** - 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 8- in. (203-mm) nominal diameter.) Covers seven
grades of alloy steel. The selection of the proper alloy and
requirements for heat treatment shall be at the discretion of the
purchaser, dependent on the service conditions to be encountered. Two
classes of pipe are covered as follows: Class 1—All welded joints to be
completely examined by radiography. Class 2—No radiographic examination
required.
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SA-376** - Covers seamless
austenitic steel pipe in tended for high-temperature central-station
service. Among the ten grades covered are five H grades which are
specifically intended for high-temperature service.
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SA-376** - Covers wrought
fittings for pressure piping made from austenitic stainless steel. The
term “fittings” applies to butt-welding, socket welding, or threaded
parts such as 45-deg and 90-deg elbows, 180-deg return bends, caps,
tees, reducers, lap-joint stub ends, and other types as covered by the
latest revision of ANSI B16.9 ANSI B16.11 and MSS Standard Practice
SP-43.
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SA-409** - Covers straight
seam or spiral seam electric-fusion-welded, light wall, austenitic
chromium-nickel alloy steel pipe for corrosive or high-temperature
service. The sizes covered are 14 to 30 in. (355 to 762 mm) incl. in
nominal diameter with extra light (schedule 5S) and light (schedule 10S)
wall thicknesses.
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SA-423* - Covers seamless
and electric resistance welded low allow 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 in. to 5 in. O.D. and
0.035 in. to 0.500 in. inclusive in minimum wall thickness.
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A-714-75 - Covers seamless
and welded high-strength (YOLOY) low-alloy steel pipe in nominal sizes ½
to 26 in., inclusive. Pipe having other dimensions may be furnished
provided such pipe complies with all other requirements of this
specification. This material is intended for pressure piping service,
and other general purposes, where savings in weight or added durability
are important.
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API Number
with AMERICAN PETROLEUM INSTITUTE
SPECIFICATIONS (PIPE) |
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API 5-L - Covers welded and
seamless steel pipe for use in conveying gas, water, and oil. Used
mainly in the oil and natural gas industries. Seamless and electric-weld
covers two grades: Grade A (30,000 psi Min Yield) and Grade B (35.000
psi Min Yield). Butt-welded manufacture is covered by two classes: Class
I (25,000 psi Min Yield) and Class II (28,000 psi Min Yield). Size range
1/8 inch to 36 inch nominal diameters.
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API 5LX - Covers more
rigorously tested line pipe, having greater tensile and bursting
strengths. Size range 4 ½ 0.D. to 42 inch O.D.. in grades X 42 (42,000
psi Min Yield) to X 65 (65,000 psi Min Yield). Not intended for high
temperature service.
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