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ASTM C 876-2009 standard test method for corrosion potentials of uncoated reinforcing steel in concrete

Standard Number:  ASTM C 876-2009
Title:  standard test method for corrosion potentials of uncoated reinforcing steel in concrete
Language:  English
Replacing Standard:  ASTM C876-91(1999)

Publication Date:  2009/4/1
Execute Date:  2009/4/1
Status:  Current
International Classification for Standards (ICS)METALLURGY>>Iron and steel products>>Steels for reinforcement of concrete
Publisher:  American Society for Testing Material (ASTM)
Price:  
Number of Pages:  

Description:1.1 this specification covers the detailed requirements towhich the specified grades of flat-rolled, grain-oriented, fullyprocessed electrical steels shall conform. these steels are usedprimarily in transformer cores operating at moderate to highmagnetic flux densities at commercial power frequencies (50and 60 hz).1.2 these grain-oriented electrical steels are low-carbon,silicon-iron alloys with a silicon content of approximately3.2 % in which low core loss and high permeability in thedirection of rolling have been achieved by appropriate metallurgicalprocessing.1.3 the electrical-steel grades described in this specificationinclude (1) conventional grain-oriented electrical steel tested at15 kg (1.5 t) in accordance with test method a343/a343m,(2) conventional grain-oriented electrical steel tested at 17 kg(1.7 t) in accordance with test method a343/a343m, (3)high-permeability grain-oriented electrical steel tested at 17 kg(1.7 t) in accordance with test method a343/a343m, and (4)laser-scribed high-permeability grain-oriented electrical steeltested at 17 kg (1.7 t) in accordance with test methodsa804/a804m.1.4 the values stated in customary (cgs-emu and inchpound) units are to be regarded as standard. the values given in parentheses are mathematical conversions to si units, which are provided for information only and are not considered standard.  
File Format:  PDF(Acrobat Reader) or Word version doc Document
File Size:  590KB
Tile in English:  standard test method for corrosion potentials of uncoated reinforcing steel in concrete

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