Transcription of ASTM A182 Flange Sepcification - Octalsteel
1 astm a182 Flange SepcificationStandard Specification for Forged or Rolled Alloy and Stainless Steel Pipe Flanges,Forged Fittings, and Valves and Parts for High-Temperature ServiceThis standard is issued under the fixed designation a182 /A182M; the number immediately following the designation indicates the year of original adoption or, in the case of revision, the year of last revision. A number in parentheses indicates the year of last number in parentheses indicates the year of last superscript epsilon indicates an editorial change since the last revision or more info please visit 1 - Chemical Requirements of astm a182 Grade/Identification SymbolUNS DesignationChemical Composition (%)
2 CarbonManganesePhosphorusSulfurSiliconNi ckelChromiumMolybdenumColumblumTitaniumO ther ElementsLow Alloy , Class , Class , Class , Class , Class , Class , Class Stainless The present grade F 5a ( max carbon) previous to 1995 eas assigned the identification symbol F 5. Identification symbol F 5 in 1955 was assigned to the max carbon grade to be consistent with astm soecification for other products such as pipe, tubing, bolting, welding fittings, and the Applies to both heat and product Grade F 321 shall have a titanium content of not less than five times the carbon content and not more than 2 - Mechanical Properties of astm a182 Grade SymbolTensile Strength, min, ksi [MPa]Yield Strength, min, ksi [MPa]BElongation in 2 in.
3 [50 mm] or 4D, min, %Reduction of Area, min, %Brienell Hardness Number, HBW, unless otherwise indicatedLow Alloy SteelsF570 [485]40 [275]2035143-217F985 [585]55 [380]2040179-217F9190 [620]60 [415]2040190-248F9290 [620]64 [440]2045269 maxF11, Class 160 [415]30 [205]2045121-174F11, Class 270 [485]40 [275]2030143-207F11, Class 375 [515]45 [310]2030156-207F12, Class 160 [415]32 [220]2045121-174F12, Class 270 [485]40 [275]2030143-207F2175 [515]45 [310]2030156-207F22, Class 160 [415]30 [205]2035170 maxF22, Class 375 [515]45 [310]2030156-207 Austenitic Stainless SteelsF30475 [515]C30 [205] [485]D25 [170] [515]C30 [205] [485]D25 [170] [515]30 [205] For sections over 5 in.
4 [130 mm] in thickness, the minimum tensile strength shall be 70 ksi [485 MPa].D. For sections over 5 in. [130 mm] in thickness, the minimum tensile strength shall be 65 ksi [450 MPa].Table 3 -Heat Treatment Requirements of astm a182 GradeHeat Treat TypeAustenitizing/ Solutioning Temperature, Minimum or Range, F [ C]Acooling MediaQuenching CoolBelow F [ C]Tempering, Temperature, Minimum or Range, F [ C]Low Alloy SteelsF5anneal1750 [955]furnace coolBBnormalize and temper1750 [955]air coolB1250 [675]F9anneal1750 [955]furnace coolBBnormalize and temper1750 [955]cool or liquidB1250 [675]F91normalize and temper or1900-1975 [1040-1080]air cool accelerated air B1350-1470 [730-800] quech and tempercool or liquidBF92normalize and temper1900-1975 [1040-1080]
5 Air coolB1350-1470 [730-800]F11, Class 1, 2, 3anneal1650 [900]furnace coolBBnormalize and temper1650 [900]air coolB1150 [620]F12, Class 1, 2anneal1650 [900]furnace coolBBnormalize and temper1650 [900]air coolB1150 [620]F21anneal1750 [955]furnace coolBBnormalize and temper1750 [955]air coolB1250 [675]F22, Class 1, 3anneal1650 [900]furnace coolBBnormalize and temper1650 [900]air coolB1250 [675]Austenitic Stainless SteelsF304solution treat and quench1900 [1040]liquid E500 [260]BF304 Lsolution treat and quench1900 [1040]liquid E500 [260]BF316solution treat and quench1900 [1040]liquid E500 [260]BF316 Lsolution treat and quench1900 [1040]liquid E500 [260]BF321solution treat and quench1900 [1040]liquid E500 [260]BA.
6 Minimum unless temperature range is listedB. Not applicableE. Forged or rolled bar meeting the requirements of shall be liquid quenched or rapid-cooled by other means in accordance with Specification A484/ A484M
