Equivalence Chart

ALUMINUM
ALLOY USA ASIA GERMANY UK CASTING PROCESS CHARACTERISTICS
Al-Si A356 AC4C   LM25 Gravity cast sand and perm mold Good casting and machining characteristics, typically used in heat treated condition
Al-Si-12Fe A413 ADC1 ALSi12 LM20 Die Cast Excellent pressure tightness
Al-Si-Mg A360 ADC3 ALSi10Mg LM20 Die Cast Higher corrosion resistance but more difficult to cast
Al-Si-Cu A380 ADC10 ALSi8Cu3FE LM24 Die Cast Most commom alloy for die casting
Al-Si-Cu A383 ADC12   LM2 Die Cast Excellent die filling characteristics , strength at elevated temperatures
  B390 ADC14   LM30 Die Cast High hardness, good wear resistance
There is no substantial difference in the mechanical properties of A360, A380 and A383.
MAGNESIUM
ALLOY USA ASIA GERMANY UK CASTING PROCESS CHARACTERISTICS
  AZ91D   1729 3.5912 2970 Mag 3 Die Cast 33% lighter than aluminum.  Excellent strength to weight ratio and corrosion resistance
STAINLESS STEEL
ALLOY USA ASIA GERMANY UK CASTING PROCESS CHARACTERISTICS
CF-8 304 SUS 304 X 5 CrNI 18 10 304S16 Sand cast, Investment cast, forging High strength, excellent corrosion resistance
CF-8M 316 SUS316 X 5 CrNiMo 18 10 316S31 Sand cast, Investment cast, forging Contains molybdenum which increases corrosion resistance
CA-15 410 SUS410 X10Cr13 410S21 Sand cast, Investment cast, forging  
IC 440C 440C SUS440C X105CrMo17   Sand cast, Investment cast, forging High hardness and toughness grade, sometimes used in cutting tools
630 17-4PH   X5CrNiCuNb17-4-4   Sand cast, Investment cast, forging High strength and hardness, Good corrosion resistance.  Used in aerospace and chemical processing
GRAY IRON
ALLOY USA ASIA GERMANY UK CASTING PROCESS CHARACTERISTICS
20,000 PSI (Tensile) A48, Class 20 B HT 150         FC 100 GG10 Grade 100 Sand casting,  Shell Molded Gray iron is available in several strength grades.  Excellent noise and vibration damping.  Good machinability.
25,000 PSI A48, Class 25 B HT 150         FC150 GG15 Grade 150
30,000 PSI A48, Class 30 B HT 200       FC200 GG20 Grade 200
35,000 PSI A48, Class 35 B HT 250         FC 250 GG25 Grade 250
40,000 PSI A48, Class 40B HT 300         FC300 GG30 Grade 300
DUCTILE IRON
ALLOY USA ASIA GERMANY UK CASTING PROCESS CHARACTERISTICS
60,000 PSI A536, 60-40-18     QT 400-18   FCD400 GGG40 400/17 Sand Casting, Shell Molding Also referred to as nodular iron.  Comparable to some carbon steels in strength.  Higher tensile and fatique strength than gray iron.  Excellent shock and impact loading.
65,000 PSI A536, 65-45-12 QT 450-10   FCD450 GGG45 420/12
70,000 PSI A536, 70-50-05 QT 500-7   FCD500 GGG50 500/7
80,000 PSI A536, 80-55-06 QT 600-3     FCD600 GGG60 600/7
100,000 PSI A536, 100-70-03 QT 700-2     FCD700 GGG70 700/2
120,000 PSI A536, 120-90-02 QT800-2    FCD 800 GGG80 800/2
BAR STOCK
ALLOY USA ASIA GERMANY UK CASTING PROCESS CHARACTERISTICS
1010 1010 10 Ck10 040A10 Lower strength steels, higher ductility, lower cost Carbon steel
1020 1020 20                   S20C C22 050A20 Carbon steel
1045 1045 45                        S45C C45 080M46 Better mechanical properties than low carbon steels Carbon steel
4140 4140 42CrMo     SCM440 42CrMo4 708A42 Good combination of strength, toughness and wear resistance Alloy Steel
15CrMo A-387Cr B 15CRMo       STC42 16CrMo44                1653 Heavy duty structural and mechincal components Alloy Steel
20CrMo 4118, 4119 20CrMo         SCT42 20CrMo44 CDS12 Alloy Steel
20Cr 5120 20Cr           SCr420H 20Cr4 527A19 Case hardening steels used for high stress parts such as gears and shafts Alloy Steel
40Cr 5140 40Cr        SCr440 41Cr4 520M40 Alloy Steel
* The alloys listed are common alloys but are not the only ones CMT can provide. Please contact CMT for alloy information not listed. 
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