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ASTM A250/A250M

Standard Specification for Electric-Resistance-Welded Ferritic Alloy-Steel Boiler and Superheater Tubes

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Organization: ASTM
Publication Date: 1 March 2005
Status: inactive
Page Count: 4
ICS Code (Iron and steel pipes): 23.040.10
scope:

(Footnote *)

This specification(Footnote 2) 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.

The tubing sizes and thicknesses usually furnished to this specification are ½ 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.

Mechanical property requirements do not apply to tubing smaller than ⅛ in. [3.2 mm] in inside diameter or 0.015 in. [0.4 mm] in thickness.

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

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.

Footnote * - A Summary of Changes section appears at the end of this standard.

Footnote 2 - For ASME Boiler and Pressure Vessel Code applications see related Specification SA-250 in Section II of that Code.

Document History

March 1, 2005
Standard Specification for Electric-Resistance-Welded Ferritic Alloy-Steel Boiler and Superheater Tubes
This specification2 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,...
ASTM A250/A250M
March 1, 2005
Standard Specification for Electric-Resistance-Welded Ferritic Alloy-Steel Boiler and Superheater Tubes
(Footnote *) This specification(Footnote 2) covers several grades, designated T1, T1a, T1b, T2, T11, T12 and T22, of minimum-wall-thickness, electric-resistance-welded, carbon-molybdenum and...
March 1, 2005
Standard Specification for Electric-Resistance-Welded Ferritic Alloy-Steel Boiler and Superheater Tubes
This specification2 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,...
March 1, 2004
Standard Specification for Electric-Resistance-Welded Ferritic Alloy-Steel Boiler and Superheater Tubes
(Footnote *) This specification(Footnote 2) covers several grades, designated T1, T1a, T1b, T2, T11, T12 and T22, of minimum-wall-thickness, electric-resistance-welded, carbon-molybdenum and...
September 10, 1995
Standard Specification for Electric-Resistance-Welded Ferritic Alloy-Steel Boiler and Superheater Tubes
1. Scope 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...
September 10, 1995
Standard Specification for Electric-Resistance-Welded Ferritic Alloy-Steel Boiler and Superheater Tubes
1. Scope 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...
February 22, 1991
STANDARD SPECIFICATION FOR ELECTRIC-RESISTANCE- WELDED FERRITIC ALLOY- STEEL BOILER AND SUPERHEATER TUBES
A description is not available for this item.
July 27, 1990
STANDARD SPECIFICATION FOR ELECTRIC-RESISTANCE- WELDED FERRITIC ALLOY- STEEL BOILER AND SUPERHEATER TUBES
A description is not available for this item.
February 23, 1990
STANDARD SPECIFICATION FOR ELECTRIC-RESISTANCE- WELDED FERRITIC ALLOY- STEEL BOILER AND SUPERHEATER TUBES
A description is not available for this item.
August 25, 1989
STANDARD SPECIFICATION FOR ELECTRIC-RESISTANCE- WELDED FERRITIC ALLOY- STEEL BOILER AND SUPERHEATER TUBES
A description is not available for this item.
February 24, 1989
STANDARD SPECIFICATION FOR ELECTRIC-RESISTANCE- WELDED FERRITIC ALLOY- STEEL BOILER AND SUPERHEATER TUBES
A description is not available for this item.
July 29, 1988
STANDARD SPECIFICATION FOR ELECTRIC-RESISTANCE- WELDED FERRITIC ALLOY- STEEL BOILER AND SUPERHEATER TUBES
A description is not available for this item.
March 25, 1988
STANDARD SPECIFICATION FOR ELECTRIC- RESISTANCE-WELDED FERRITIC ALLOY-STEEL BOILER AND SUPERHEATER TUBES
A description is not available for this item.
February 27, 1987
STANDARD SPECIFICATION FOR ELECTRIC- RESISTANCE-WELDED CARBON-MOLYBDENUM ALLOY-STEEL BOILER AND SUPERHEATER TUBES
A description is not available for this item.
February 28, 1986
STANDARD SPECIFICATION FOR ELECTRIC-RESISTANCE- WELDED CARBON-MOLYBDENUM ALLOY-STEEL BOILER AND SUPERHEATER TUBES
A description is not available for this item.
August 30, 1985
STANDARD SPECIFICATION FOR ELECTRIC-RESISTANCE- WELDED CARBON-MOLYBDENUM ALLOY-STEEL BOILER AND SUPERHEATER TUBES
A description is not available for this item.

References

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