ASTM A213 T22 Seamless Ferritic and Austenitic Alloy-Steel Boiler, Superheater, Heat-Exchanger Tubes. Grades containing the letter H in their designation have requirements different from those of similar grades not containing the letter H.
ASTM A333 Gr.6:ASTM A213M-09 Standard SpecicationASTM A213M-09 Standard Specication for Seamless Ferritic and Austenitic Alloy-Steel Boiler, Superheater, Heat-Exchanger Tubes This standard is issued under the fixed designation A 213/A 213M; the number immediately following the designation indicates the year of original adoption or, in the case of revision, the year of last revision.
C55 - BEBON steelC55 steel plate, EN 10083 C55 steel plate, under EN 10083 standard, we can regard C55 steel plate as high carbon steel.. C55 steel plate is one mainly of high carbon steel,EN 10083 C55 steel plate is a medium carbon steel which is used when greater strength and hardness is desired than in the "as rolled"condition.Extreme size accuracy,straightness and concentricity combined to minimize wear in
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