Pipe Specification A A NPS 1/2 — 10″ Schedule 10 and Schedule 40 Grade A or B for type E or S pipe, wall thickness schedule ASTM A, the. The ASTM A is the standard for black and hot-dipped zinc-coated (galvanized ), welded and seamless steel pipes designed for fire protection. Contact us!. ASTM A / ASME SA STANDARD SPECIFICATION FOR BLACK AND HOT-DIPPED ZINC COATED(GALVANIZED) WELDED AND SEAMLESS STEEL .

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Combining values from the two systems may result in non-conformance with the standard. This standard does not purport to address all of the safety concerns, if any, associated with its use.

Steel Pipe ASTM A

It is the responsibility of the user of this standard to establish appropriate safety and health practices and q795 the applicability of regulatory limitations prior to use. Within the text, the SI units are shown in brackets. This specification covers black and hot-dipped zinc-coated galvanized welded and seamless steel pipe for fire protection use.


This abstract is a brief summary of the referenced standard. Link to Active This link will always route to the current Active version of the standard. Historical Version s – view previous versions of standard.

The values stated in each system may not be exact equivalents; therefore, each system shall be used independently of the other.

The pipe may be bent, but it is not intended for bending made at ambient temperature wherein the inside diameter of the bend is less than twelve times the outside diameter of the pipe being bent.

ASTM does astmm give any warranty express or implied or make any representation that the contents of this abstract are accurate, complete or up to date. As an alternative to the hydrostatic test, and when accepted by the purchaser, each pipe shall be tested with a non-destructive electrical method.

Note 2 — Successful bending of pipe is a function of equipment and technique as well as pipe properties. Pipe having other wall thicknesses may be furnished provided such pipe complies with all other requirements of this specification and the outside diameter is as given in Table 2. Pipe ordered under this specification is intended for use in fire protection systems. Referenced Documents purchase separately The documents listed below are referenced within the subject standard but are not provided as part of the standard.



The pipe may be bent, but it is not aztm for bending made at ambient temperature wherein the inside diameter of the bend is less than twelve times the outside diameter of the pipe being bent Note 2. See Table 2 for dimensions. Finally, flattening test shall be performed on the pipe in accordance with, electric-resistance-welded pipe, and furnace-welded pipe. See Table 1 for dimensions.

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. Each length of pipe shall be subjected to a hydrostatic test without leakage through the pipe wall.

The steel shall conform to the required chemical composition.