The A manufacturing process is suited to high-volume production and is generally limited to the diameters and schedule wall thickness shown in ANSI B Specially items can be ordered A pipe with immediately deliver available from a complete inventory standard sizes up to 24". Tension, Flattening, Flange test, reverse-bend and hardness tests required each lot. Tubular products having other diameters, or wall thickness, or both may be furnished provided it complies with all other requirements of this specification.
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The user of this specification should be aware that a minimum amount of testing and examination is required of the basic product. As-welded pipe is commonly used when no mechanical testing of the finished product is required.
Transverse tension test and transverse-guided bend test shall be done to the welded joints. Link to Active Aetm link will always route to the current Active version of the standard. Wall thickness may not be more than The tubular products are made from:. Hydrostatic of each tube. A product analysis of both the weld metal and base metal after annealing.
The user requiring zstm testing or examination is referred to the supplemental requirements or Ordering Information, or both.
The tubular products are made from: The welds shall be made by the manual or automatic asttm process. Class WP fittings are subdivided into four subclasses: Tension, Flattening, Flange test, reverse-bend and hardness tests required each lot. Welded elbows can be supplied as smooth flow or mitered construction, tees, lateral and crosses are supplied as nozzle-welded.
Douglas Barwick - Specifications
Fittings differing from these standard may be furnished in accordance with Supplementary Requirement S9. Tubular products having other diameters or wall thickness, or both, may be furnished provided it complies with all other requirements of this specification. Base metal analysis are traceable to the original mill certificates.
Historical Version s - view previous versions of standard. Specially items can be ordered A pipe with immediately deliver available from a complete inventory standard sizes up to 24".
The user requiring additional testing or examination is referred to the supplemental requirements or Ordering Information, or both. Fittings are normally furnished in MSS SP dimensions, with square cut ends, fittings with beveled ends can be provided.
ASTM A Specification | Penn Stainless Products
It is informational only and not an official part of the standard; the full text of the standard itself must be referred to for its use and application. ASTM A This specification covers welded unannealed stainless pipe intended for low to moderate temperatures and corrosion service where heat treatment is not required for corrosion resistance.
The principal manufacturing procedures specified under A are: No nondestructive testing is performed and the fittings are unannealed. Combining the values from the two systems may result in non-conformance with the standard.
Heat treatment is required on the original welds. As-Welded fittings are usually used where corrosion resistance is essential.
Weld defects are repaired by removal to sound metal and rewelding. A is considered to be the most applicable specification for "as welded" pipe and differs from it only that a transverse guided bend test and a transverse tension test are required per lot.
Automatic welding process with no addition of filler wire. Finished products ast, have smooth ends free or burrs and shall be free of injurious defects. In Gautam Tube, I can call the guys at any time and they respond to our requirements quickly.
ASTM A240 A358 A778 312 Pipe
Class WP-S fittings are those manufactured from seamless product by a seamless method of xstm marked with class symbol WP-S ; Class WP-W fittings contain welds made with or without filler metal. ASTM does not give any warranty express or implied or make any representation that the contents of this abstract are accurate, complete or up to date.
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