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DUCTILE IRONS

A.G. ANDERSON LTD 

IRON CASTINGS - TECHNICAL DATA

SECTION #2 - Ductile Irons

Rev. 4 2  
ALLOY ASTM CHEMICAL COMPOSITION MINIMUM MECHANICAL PROPERTIES EQUIVALENT FOREIGN SPECS    
  SPECIFICATION (MAXIMUM) CONDITION TENSILE YIELD ELONG BRINELL BRITISH  GERMAN CHARACTERISTICS & APPLICATIONS  
      C Si Mn Ni Cr OTHER   STRENGTH STRENGTH   HARDNESS STANDARD STANDARD    
      % % % % % %   K.S.I K.S.I % BHN        
  A536:60-40-18             AS CAST 60 40 18 150-173 BS 2789 DIN 1693 60-40-18 has excellent machineability (high ductility & shock resistance).  Its structure does not  
DUCTILE                           350/22, 400/18 GGG-40 lend itself to hardening by induction or flame.  Applications include components subject to thermal   
IRON A536:65-45-12             AS CAST 65 45 12 160-190 BS 2789   & mechanical shock such as pressure valves, automotive suspensions & knuckles. 65-45-12   
                            420/12   is the most commonly used ductile iron.  It combines good strength & ductility with excellent  
  A536:80-55-06             AS CAST 80 55 6 180-240 BS 2789 DIN 1693 machineability.  Applications include valves, casings, impellers, automotive suspension parts,  
                  NORMALIZED 100 62 4 230-290 500/7 GGG-50 transmission cases, housings & heads.  
  A536:80-60-03             AS CAST 80 60 3 190-250 BS 2789 DIN 1693 80-55-06 & 80-60-03 are characterized by their predominantly pearlitic structure & high  
                  NORMALIZED 100 65 3 240-300 600/3 GGG-60 strength & hardness but are readily machined.  The alloys are used in applications involving severe  
                                stress, shock or high pressure applications such as heavy duty gears, sprockets, crankshafts,  
                                car journal boxes, housings, rotors, piston heads, and compressor cylinders.  
  A536:100-70-03             AS CAST 100 70 3 220-280 BS 2789 DIN 1693 These grades are characterized by high strength & high hardness capabilities.  They are used  
                  NORMALIZED 110 85 3 260-370 700/2, 800/2 GGG-70 where high strength is required in heavy sections.  Applications include heavy duty gears,   
  A536:120-90-02             AS CAST 120 90 2 290-350 BS 2789 DIN 1693 mandrels, liners, rolls, dies, pistons, impellers & agricultural implements.  
                  NORMALIZED 125 95 2 295-420 900/2 GGG-80    
AUSTENITIC A439:NIRESIST-D2 3.0 3.0 1.3 18.0-22.0 1.75-2.25     58 30 8 139-202 BS 3468 DIN1694 These Ductile NiResist Grades have higher strength & ductility than the corresponding NiResist  
HIGH                           S-NiCr202, S2 GGG-NiCr202 Gray Iron Grades.  The austenitic structure and high nickel content of these alloys provide good  
ALLOY A439:NIRESIST-D2B 3.0 3.0 1.3 18.0-22.0 2.75-4.0     58 30 7 148-211 BS 3468 DIN 1694 corrosion and heat resisting properties as well as high resistance to thermal shock up to 800 F.  
DUCTILE                           S-NiCr203, S2B GGG-NiCr203    
IRON A439:NIRESIST-D2C 2.9 3.0 2.4 21.0-24.0 0.5     58 28 20 121-211 BS 3468 DIN 1694 The corrosion resistance of these alloys lie between Gray Iron & Austenitic Stainless Steels.  The  
                            S-Ni22, S2C GGG-Ni22 high carbon content makes this alloy a less expensive alloy to manufacture than the stainless   
  A439:NIRESIST-D3 2.6 2.8 1.0 28.0-32.0 2.5-3.5     55 30 6 139-202 BS 3468 DIN 1694 steel.  
                            S-NiCr303 GGG-NiSiCr3052    
  A439:NIRESIST-D3A 2.6 2.8 1.0 28.0-32.0 1.0-1.5     55 30 10 131-193 BS 3468 DIN 1694 The many applications include valves, pump casings, impellers, liners, diffusers, turbochargers,  
                            S-NiCr301, S3 GGG-NiCr301 housings, deflectors, stator plates & cylinders.  
  A439:NIRESIST-D4 2.6 5.0-6.0 1.0 28.0-32.0 4.5-5.5     60     202-273 BS 3468 DIN 1694    
                            S-NiSiCr3055 GGG-NiSiCr3055    
  A439:NIRESIST-D5 2.4 2.8 1.0 34.0-36.0 0.1     55 30 20 131-185 BS 3468 DIN 1694    
                            S-Ni35 GGG-Ni35    
  A439:NIRESIST-D5S 2.3 4.9-5.5 1.0 34.0-37.0 1.75-2.25     65 30 10 131-193 BS 3468 DIN 1694    
                            S-5S GGG-NiSiCr3552    
  A571:NIRESIST-D2M 2.2-2.9 1.5-2.5 3.75-4.5 21.0-24.0 0.2   ANNEALED 60 25 25 111-171     Charpy "V" @ 70 F of 15 Ft Lbs.  Low temperature applications such as expanders, pumps, valves &  
                  NORM 65 33 30 120-170     compressors.  
  NIRESIST-D2W 3.0 3.0 1.5 18.0-22.0 1.75-2.25 Cb   58 30 8 140-210 BS 3468 DIN 1694 Weldable grade of Type D2.  
                0.10-0.17           S-2W GGG-NiCrNb202    
AUSTEMPERED A897:125-80-10 3.2-3.8 3.5 0.4 1.5-3.5 0.1 Mo 0.10-0.40 Q & T 125 80 10 269-321        
DUCTILE               Cu 1.0               These Austempered Ductile Irons (ADI) offer a unique combination of high strength, ductility,   
IRON A897:150-100-7 3.2-3.8 3.5 0.4 1.5-3.5 0.1 Mo 0.10-0.40 Q & T 150 100 7 302-363     fatigue, fracture toughness & wear resisting properties.  
(ADI)               Cu 1.0                  
  A897:175-125-4 3.2-3.8 3.5 0.4 1.5-3.5 0.1 Mo 0.10-0.40 Q & T 175 125 4 341-444     ADI is a low cost material with good casting qualities & machining characteristics.  
                Cu 1.0                  
  A897:200-155-1 3.2-3.8 3.5 0.4 1.5-3.5 0.1 Mo 0.10-0.40 Q & T 200 155 1 388-477     Applications include various types of gears (spiral, helical, timing, bevel, pinion), wear plates,  
                Cu 1.0               track wheels, draw & break rolls.  
  A897:230-185 3.2-3.8 3.5 0.4 1.5-3.5 0.1 Mo 0.10-0.40 Q & T 230 155 0.2 444-555        
                Cu 1.0                  
                                   

 

QUALITY CASTINGS UP TO 5500 LBS IN CARBON STEEL * LOW ALLOY STEEL * WEAR & HEAT RESISTING STEEL
* STAINLESS STEEL * DUCTILE IRON * NIHARD & NIRESIST * GRAY IRON

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