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ASTM-A178:2002 Edition

ASTM-A178:2002 Edition

$35.75

A178/A178M-02 Standard Specification for Electric-Resistance-Welded Carbon Steel and Carbon-Manganese Steel Boiler and Superheater Tubes

Published By Publication Date Number of Pages
ASTM 2002 4
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1.1 This specification covers minimum-wall-thickness, electric-resistance-welded tubes made of carbon steel and carbon-manganese steel intended for use as boiler tubes, boiler flues, superheater flues, and safe ends.

Note 1Type C and D tubes are not suitable for safe-ending for forge welding.

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 0.360 in. [0.9 to 9.1 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 Optional supplementary requirements are provided and when desired, shall be so stated in the order.

1.5 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.

PDF Catalog

PDF Pages PDF Title
1 Scope
Referenced Documents
Ordering Information
Manufacture
Heat Treatment
2 Chemical Composition
Product Analysis
General Requirements
Tensile Requirements
Crush Test
Mechanical Tests Required
TABLE 1
TABLE 2
TABLE 3
3 Forming Operations
Product Marking
Keywords

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