ASTM Standards::} 70 Test Methods and Definitions for Mechanical Testing of Steel Products. 3. Terminology. Definitions—For definitions of terms used. Chemical and mechanical properties of ASTM A duplex and super-duplex pipe materials. What is duplex steel, use cases, corrosion resistance vs. SS. ASTM A/AM: Standard Specification for Seamless and Welded Ferritic/ Austenitic Stainless Steel Pipe.

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If this supplementary requirement is specied, the number of tests per a970 shall also be specied. It should be recognized that different techniques should be employed to detect differently oriented imperfections.

ASME SA Ferritic Stainless Steel Welded Pipes has a higher yield strength and lower ductility than the austenitic steels so fabricators may find that higher forming forces, increased radius of bending, and increased allowance for spring back are necessary. Duplex Stainless Steels Products Manufacturers. The area producing the signal may be reexamined.

If this supplementary requirement is specied, the number of tests per pipe required shall also be specied. The dimensions of these standards should not be construed as the minimum size imperfection detectable by such equipment.

Seamless and straight-seam welded austenitic pipe intended for high temperature and general corrosive service. Usually use Pitting Corrosion Test. UNS s Pipes Tubes. The examination may not detect short, deep, defects. Active view current version of standard.


Cold-worked welded austenitic pipe for high temperature and general corrosive service. Heat analysis shall be made to determine the percentages of the elements specified.

ASTM A790 Standard for Duplex Stainless Steel Pipe

Within the text, the SI units are shown in brackets. The pipe may be accepted based on visual examination, provided the imperfection is less than 0. These pipes may be repaired per Sections 12 and 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.

The dimensionless designator NPS nominal pipe size has been substituted in this standard for such traditional terms as nominal diameter, size, and nominal size.

Pipe having other dimensions may be furnished provided such pipe complies with all other requirements of this specification. Duplex Steel Flangesand Grades. The holes shall be drilled radially and completely through the pipe wall, with care being taken to avoid asym of the pipe while drilling. Within the text, the SI units are shown in brackets. Transverse Tension Tests S2.

The values stated in each system are not exact equivalents; therefore, each system must be used independently of the other. We at Ganpat Industrial Corporation ensure that all our materials go through strict quality tests before dispatching them to our clients. Crops ends may be used.


ASTM A ASTM SA Duplex Steel Seamless Tubing Tubes India – Citizen Metals

Individual reprints single or multiple copies of this standard may be obtained by contacting ASTM at the above address or at phonefaxor service astm. It is also used by storage and transportation units of industries. Duplex Steel Products: Pipe shall be double welded by processes employing filler metal in all passes and shall be completely radiographed. More or smaller reference discontinuities, or both, may be used by agreement between the purchaser and the manufacturer.

Work Item s – proposed revisions of this standard.

ASTM A Seamless Pipe, ASTM A Welded Pipe, ASTM AM Duplex Pipes.

Often referred to as the work horse grade, is the most widely used grade in the duplex family of stainless steels. Combining values from the two systems may result in nonconformance with the specication.

NOTE 2—This value applies when the inch-pound designation of this specication is the basis of purchase.