• ASTM A213/A213M-11a

ASTM A213/A213M-11a

Standard Specification for Seamless Ferritic and Austenitic Alloy-Steel Boiler, Superheater, and Heat-Exchanger Tubes

ASTM International, 10/01/2011

Publisher: ASTM

File Format: PDF

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Published:01/10/2011

Pages:15

File Size:1 file , 180 KB

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1.1 This specification covers seamless ferritic and austenitic steel boiler, superheater, and heat-exchanger tubes, designated Grades T5, TP304, etc. These steels are listed in Tables 1 and 2.

1.2 Grades containing the letter, H, in their designation, have requirements different from those of similar grades not containing the letter, H. These different requirements provide higher creep-rupture strength than normally achievable in similar grades without these different requirements.

1.3 The tubing sizes and thicknesses usually furnished to this specification are 1/8 in. [3.2 mm] in inside diameter to 5 in. [127 mm] in outside diameter and 0.015 to 0.500 in. [0.4 to 12.7 mm], inclusive, in minimum wall thickness or, if specified in the order, average wall thickness. Tubing having other diameters may be furnished, provided such tubes comply with all other requirements of this specification.

1.4 The values stated in either SI units or inch-pound units are to be regarded separately as standard. Within the text, the SI units are shown in brackets. The values stated in each system may not be exact equivalents; therefore, each system shall be used independently of the other. Combining values from the two systems may result in non-conformance with the standard. The inch-pound units shall apply unless the "M" designation of this specification is specified in the order.

TABLE 1 Chemical Composition Limits, %A, for Low Alloy Steel

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Grade UNS Designation Composition, %
Carbon Manga-
nese
Phospho-
rus
Sul-
fur
Silicon
Nickel Chromium Molybdenum Vana-
dium
Boron Niobium Nitrogen Aluminum Tungsten Other Elements
T2 K11547 0.10-0.20 0.30-0.61 0.025 0.025B 0.10-0.30 ... 0.50-0.81 0.44-0.65 ... ... ... ... ... ... ...
T5 K41545 0.15 0.30-0.60 0.025 0.025 0.50 ... 4.00-6.00 0.45-0.65 ... ... ... ... ... ... ...
T5b K51545 0.15 0.30-0.60 0.025 0.025 1.00-2.00 ... 4.00-6.00 0.45-0.65 ... ... ... ... ... ... ...
T5c K41245 0.12 0.30-0.60 0.025 0.025 0.50 ... 4.00-6.00 0.45-0.65 ... ... ... ... ... ... Ti 4xC-0.70
T9 K90941 0.15 0.30-0.60 0.025 0.025 0.25-1.00 ... 8.00-10.00 0.90-1.10 ... ... ... ... ... ... ...
T11 K11597 0.05-0.15 0.30-0.60 0.025 0.025 0.50-1.00 ... 1.00-1.50 0.44-0.65