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ASTM A250/A250M-05(2014)
- Standard Specification for Electric-Resistance-Welded Ferritic Alloy-Steel Boiler and Superheater Tubes
- standard by ASTM International, 10/01/2014
- Publisher: ASTM
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1.1 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, boiler and superheater tubes.