ASTM-A209 Standard Specification for Seamless Carbon-Molybdenum Alloy-Steel Boiler and Superheater Tubes

ASTM-A209 - 2003 R17 EDITION - CURRENT
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This specification covers seamless carbon-molybdenum alloy-steel boiler and superheater tubes. As a steel making practice, the steel material shall be killed. The required chemical composition for steel is given. The mechanical property requirements include tensile requirements and hardness requirements. Different test procedure shall be performed on the material presented, one tension test shall be made on a specimen for lots of not more than 50 tubes, one flattening test shall be made on specimens from each end of one finished tube, one flaring test shall be made on specimens from each end of one finished tube, and Brinell or Rockwell hardness tests shall be made from two tubes from each lot.

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Scope

1.1 This specification2 covers several grades of minimum-wall-thickness, seamless, carbon-molybdenum alloy-steel, boiler and superheater tubes.

1.2 This specification covers tubes 1/2 to 5 in. [12.7 to 127 mm] inclusive, in outside diameter and 0.035 to 0.500 in. [0.9 to 12.7 mm], inclusive, in minimum wall thickness.

1.3 An optional supplementary requirement is provided and, when desired, shall be so stated in the order.

1.4 The values stated in either inch-pound units or SI units are to be regarded separately as 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.

Keywords

 boiler tubes; carbon-molybdenum; seamless steel tube; steel tube; superheater tubes;; ICS Number Code 23.040.10 (Iron and steel pipes)

To find similar documents by ASTM Volume:

01.01 (Steel--Piping, Tubing, Fittings)

To find similar documents by classification:

23.040.10 (Iron and steel pipes Steel pipes and tubes for specific use, see 77.140.75)

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Document Number

ASTM-A209/A209M-03(2017)

Revision Level

2003 R17 EDITION

Status

Current

Modification Type

Reapproval

Publication Date

March 15, 2017

Document Type

Specification

Page Count

3 pages

Committee Number

A01.10