Department of Commerce - Historical Boilers - Repairs and alterations.


Published: 2020-03-06

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(A) All welded repairs or alterations to any historical boiler subject to inspection in accordance with sections 4104.32 to 4104.37 of the Revised Code shall be made by a person certified as a welder in accordance with Section IX of the 2004 edition of the American society of mechanical engineers (ASME) Boiler and Pressure Vessel Code, entitled welding and brazing qualifications, published July 1, 2004, a publication of general availability in the industry.

(B) All welded or riveted repairs or any alteration to any historical boiler subject to inspection in accordance with sections 4104.32 to 4104.37 of the Revised Code shall be made using the materials as shown on the following table:

ApplicationMaterial Specification
Boiler Tubes and Flues, Arch Tubes, Superheated UnitsSA-178 Grade A Tube, SA-192 Tube, SA 210 Tube
Boiler and Firebox PlateSA-285 Grade C Plate, SA 515 Plate, SA 516 Plate, SA-203 Plate, SA-204 Plate
StayboltsSA-675 Bar, SA-36 Bar, ASTM A-31-95 Bar
Staybolt Sleeves and CapsSA-105 Forged Pipe Fittings, SA-675 Bar
Boiler BracesSA-675 Bar, SA-36 Bar
RivetsSA-675 Bar, ASTM A-31-95 Bar
Forged Parts and FittingsSA-105 Forged Pipe Fittings, SA-181 Forged Pipe Fittings
Pressure Retaining Steel CastingsSA-216 Steel Casting, SA-217 Steel Casting
Hollow Cylindrical Pressure Retaining PartsSA-105 Forged Pipe Fittings, SA-675 Bar
Superheater Unit Bolts and NutsSA-193 Bolts, SA-194 Nuts
Pipe FlangesSA-181 Forged Pipe Fittings, SA-105 Forged Pipe Fittings
PipesSA-106 Pipe, SA-53 Seamless Pipe
Bronze Castings and Washout PlugsSB-61 Bronze Cast Fittings, SB-62 Bronze Cast Fittings

(C) All welded or riveted repairs or any alteration to any historical boiler subject to inspection in accordance with sections 4104.32 to 4104.37 of the Revised Code shall be made in conformity with or shall exceed generally accepted engineering standards in place at the time of original construction or current standards.