ASTM-A250 2005

$35.75

A250/A250M-05 Standard Specification for Electric-Resistance-Welded Ferritic Alloy-Steel Boiler and Superheater Tubes

Published By	Publication Date	Number of Pages
ASTM	2005	4

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Categories: 23.040.10 - Iron and steel pipes, ASTM

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Description

1.1 This specification covers several grades, designated T1, T1a, T1b, T2, T11, T12 and T22, of minimum-wall-thickness, electric-resistance-welded, carbon-molybdenum and chromium-molybdenum alloy-steel, boiler and superheater tubes.

1.2 The tubing sizes and thicknesses usually furnished to this specification are 1/2 to 5 in. [12.7 to 127 mm] in outside diameter and 0.035 to 0.320 in. [0.9 to 8.1 mm], inclusive, in minimum wall thickness. Tubing having other dimensions may be furnished, provided such tubes comply with all other requirements of this specification.

1.3 Mechanical property requirements do not apply to tubing smaller than 1/8 in. [3.2 mm] in inside diameter or 0.015 in. [0.4 mm] in thickness.

1.4 An optional supplementary requirement is provided for non-destructive examination for certain ASME applications.

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

PDF Catalog

PDF Pages	PDF Title
1	Scope Referenced Documents Ordering Information General Requirements Materials and Manufacture
2	Chemical Composition Mechanical Requirements Sampling TABLE 1 TABLE 2
3	Forming Operations Product Marking Keywords TABLE 3 TABLE 4 TABLE 5

Additional information

Standard Title	A250/A250M-05 Standard Specification for Electric-Resistance-Welded Ferritic Alloy-Steel Boiler and Superheater Tubes
Published Code	ASTM
Publication Date	2005
Pages Count	4
ICS Codes	23.040.10 - Iron and steel pipes

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ASTM-A250 2005

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