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  		• A153 - Hot dip galvanizing specification.
  		• A193-Alloy steel and stainless steel bolting materials for high temperature service.
  		• A194-Carbon and alloy nuts for bolts for high pressure and high temperature service
  		• A307-Carbon steel bolts and studs ranging from 1/4” through 4” diameter
  		• A320-Alloy steel and stainless steel bolting materials for low temperature service.
  		• A325-Structural bolts, steel, heat treated,120/105 ksi minimum tensile strength.
  		• A354-Quenched and tempered alloy bolts,studs,and other externally threaded fasteners.
  		• A449-Quenched and tempered steel bolts and studs.
  		• A490-Structural bolts,alloy steel,heat treated,150 ksi tensile strength.
  		• A563-Standard Specification for carbon and alloy steel nuts.
  		• A1554-Anchor bolts designed to anchor structural supports to concrete foundations.
  		• F2329-New specification covering hot dip galvanizing.

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