Purchase your copy of ASTM A/AM – 14 as a PDF download or hard copy directly from the official BSI Shop. All BSI British Standards. ASTM A – This specification covers “as-welded” stainless steel pipe fittings for low pressure piping intended for low to moderate temperatures and general. ASTM A/AM: STANDARD SPECIFICATION FOR AS-WELDED WROUGHT AUSTENITIC STAINLESS STEEL FITTINGS FOR GENERAL CORROSIVE.
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As-Welded fittings are usually used where corrosion resistance is essential. ASTM A Fittings This specification covers welded unannealed stainless fittings intended for low to moderate temperatures and corrosion service where heat treatment is not required for corrosion resistance.
When desired, one or more of these may be specified in the order.
Douglas Barwick – Specifications
Wall thickness may not be more than. Fittings are normally furnished in MSS SP dimensions, with square cut ends, fittings with beveled ends can be provided. These supplementary aatm call for additional tests.
Combining values from the two systems may result in nonconformance with the specification. The fittings shall be made from flat-rolled steel which shall be in the solution annealed condition.
How to Find Us. Wall thickness may nor be mode than. Although no restrictions are made on sizes commercial practice is usually above NPS8. Hydrostatic or non-destructive electric test of each tube. Automatic welding process with or without addition of filler wire. Referenced Documents purchase separately The documents listed below are referenced within the subject standard but are not provided as part of the standard. These supplementary requirements call for additional tests.
ASTM A This specification covers welded unannealed stainless pipe intended for low to moderate aa774 and corrosion service where heat treatment is not required for corrosion resistance. As-welded pipe is commonly used when no mechanical testing of the finished product is required. A fittings is commonly use in the Pulp and Paper mills, food processing plants, and other industries where corrosion resistance is essential.
Reducers are supplied as conical. The principal manufacturing procedures specified under A are: Automatic welding process with no addition of filler wire.
Normally furnished in square cut ends, pipe with beveled ends can be provided. Aetm Documents purchase separately The documents listed below are referenced within the subject standard but are not provided as part of the standard.
Link to Active This link will always route to the current Active version of the standard. This specification covers two general classes, WP and CR, of wrought austenitic stainless steel fittings of seamless and welded construction covered by the latest revision of ANSI B The term “fittings” applies to butt and socket welding parts such as 45 and 90 elbows, tees, reducers, wyes, laterals, crosses, and stub ends.
Normally furnished in square cut ends, fittings with beveled ends can be provided. Fittings differing from these standard may be furnished in accordance with Supplementary Requirement S9.
A is considered to be the most applicable specification for z774 welded” fittings.
ASTM A774 Grade TP316L
Special fittings can be supplied to customer design and a77 when required. Combining values from the two systems may result in non-conformance with the standard.
Class WP-S fittings are those manufactured from seamless product by a seamless method of manufacture marked with class symbol WP-S ; Class WP-W fittings contain welds made with or without filler metal. The A manufacturing process is suited to high-volume production and is generally limited to the asstm and schedule wall thickness shown in ANSI B With no nondestructive testing required. A is considered to be the most applicable specification for “as welded” pipe and differs from it only aastm a transverse guided bend test and a transverse tension test are required per lot.
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. A pipe and tubing is commonly used in the Pulp and Paper mills, food processing plants, and other industries where corrosion resistance is essential.
Fittings can be supplied in a wide range of diameters and wall thicknesses. When desired, one or more of these may be specified in the order. Users should note that certain corrosive conditions may restrict the use of one or more grades. Tension, Flattening, Flange test, reverse-bend and hardness tests required each lot. Historical Version s – view previous versions of standard.
The fittings shall be formed by a hot or cold process and shall be welded by a shielded welding process with or without the addition of filler metal. Hydrostatic of each tube.
Table 1 and Table 2 list the common diameters and nominal thicknesses of fittings in this specification. Automatic welding process with the addition of filler wire. ASTM A This specification covers seamless and welded austenitic stainless steel tubing intended for the low or high temperature and general corrosion service.