ASTM A733-16 

Standard Specification for Welded and Seamless Carbon Steel and Austenitic Stainless Steel Pipe Nipples

pipe fittings materials data

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Abstract

This specification covers welded and seamless carbon steel and austenitic stainless steel pipe nipples. The mechanical requirements stated that, pipe nipples shall be made from new, hydrostatic tested or NDE-tested pipe, pipe and nipples shall be threaded on both ends with NPT taper pipe threads. The standard and special lengths and sizes of nipples are presented. Galvanized nipples ordered under this specification shall be made from pipe coated on the inside and outside by the hot dip process. Samples of nipples sufficient to determine their conformance with the requirements of this specification shall be taken at random for each lot of nipples of the same pipe size, length, and material, also, samples shall be inspected to determine their conformance with the dimensional requirements, including thread dimensions.

Scope

1.1 This specification covers the requirements for welded and seamless carbon steel pipe nipples, black and zinc-coated (hot-dip galvanized), and welded and seamless austenitic stainless steel pipe nipples in standard steel pipe sizes from 1/8 to 12 in. inclusive, in standard or special lengths.

1.1.1 Welded Carbon Steel—Pipe nipples ordered under these requirements are intended for general uses, as described by Specification A53/A53M or for low-temperature service as described by Specification A333/A333M.

1.1.2 Seamless Carbon Steel—Pipe nipples ordered under these requirements are intended for general and special uses, as described by the applicable Specifications A53/A53M and A106/A106M or for low temperature service as described by Specification A333/A333M (see 4.1.1).

1.1.3 Austenitic Stainless Steel—Pipe nipples ordered under these requirements are intended for high-temperature and general corrosion service, as described by Specification A312/A312M (see 4.1.2).

1.1.4 The text for this specification contains notes or footnotes, or both, that provide explanatory material. Such notes and footnotes, excluding those in tables, do not contain any mandatory language.

1.2 The values stated in inch-pound units are to be regarded as standard. The values given in parentheses are mathematical conversions to SI units that are provided for information only and are not considered standard.

C&N Huitong group can produce pipe fittings of such materials :

ASTM Standard MaterialASTM A53 A53M Standard Specification for Pipe, Steel, Black and Hot-Dipped, Zinc-Coated, Welded and Seamless
ASTM A106 A106M Standard Specification for Seamless Carbon Steel Pipe for High-Temperature Service
API 5L Specification for Line Pipe
ASTM A213 2018 Standard Specification for Seamless Ferritic and Austenitic Alloy-Steel Boiler, Superheater, and Heat-Exchanger Tubes
ASTM A312 A312M Standard Specification for Seamless, Welded, and Heavily Cold Worked Austenitic Stainless Steel Pipes
ASTM A234 A234M Standard Specification for Piping Fittings of Wrought Carbon Steel and Alloy Steel for Moderate and High Temperature Service
ASTM A403 A403M Standard Specification for Wrought Austenitic Stainless Steel Piping Fittings
ASTM A420 A420M Standard Specification for Piping Fittings of Wrought Carbon Steel and Alloy Steel for Low-Temperature Service
ASTM A860 A860M Standard Specification for Wrought High-Strength Low-Alloy Steel Butt-Welding Fittings
ASTM A733 Standard Specification for Welded and Seamless Carbon Steel and Austenitic Stainless Steel Pipe Nipples
DIN Standard MaterialDIN1629 Seamless Circular Unalloyed Steel Tubes Subject to special requirements
DIN 2440 Medium-weight threaded steel tubes
DIN 2441 Steel Tubes Heavy Weight For Suitable For Screwing
GOST Standard MaterialGOST-1050 Sized Bars Made of High-Quality Structural Carbon Steel With a Special Surface Finish
GOST 8732 Seamless hot-deformed steel pipes-Range of sizes
GOST 19281 Rolled Steel With Enhanced Strength
JIS Standard MaterialJIS G3452 Carbon steel pipes for ordinary piping
JIS G3454 Carbon steel pipes for pressure service
JIS G3455 Carbon steel pipes for high pressure service
JIS G3456 Carbon steel pipes for high temperature service
JIS G3457 Arc welded carbon steel pipes
JIS G3458 Alloy Steel Pipes
JIS G3459 Stainless steel pipes
JIS G3460 Steel pipes for low temperature service
BS EN Standard MaterialBS EN 10255 Non-alloy steel tubes suitable for welding and threading Technical delivery conditions
BS EN 10253-1 Butt-Welding Pipe Fittings  Part 1: Wrought Carbon Steel for General Use and Without Specific Inspection Requirements
BS EN 10253-2 Butt-welding pipe fittings. part 2: Non alloy ferritic alloy steels with specific inspection requirements
BS EN10253-3 Butt-welding pipe fittings Part 3: Wrought austenitic and austenitic-ferritic (duplex) stainless steels without specific inspection requirements
BS EN 10253-4 Butt-welding pipe fittings Part 4:Wrought austenitic and austenitic-ferritic (duplex)stainless steels with specific inspection requirements