ASTM - American Society for Testing and Materials AMS - Aerospace Material Specification
AISI - American Iron and Steel Institute IC - Investment Casting Institute
MIL - Military Specification SAE - Society of Automotive Engineers
ACI - Alloy Casting Institute IN - International Nickel
  QQ - Federal Specifications

 

Alloy Iron
Alloy Specification Carbon Min-Max Manganese Min-Max Silicon Min-Max Chromium Min-Max Nickel Min-Max Molybdenum Min-Max Copper Min-Max Sulfur Min-Max Phosphorus Min-Max Iron Other Melting Range 0F
AUSTENITIC GRAY IRON ASTM A436 TYPE 1 3.00 .5 -1.5 1.00-2.80 1.50-2.50 13.50-17.50   5.50-7.50 .12   Bal.    
AMS 5392 K 2.40-2.80 1.00-1.50 1.50-2.50 1.80-2.40 14.00-16.00   6.00-7.00 .12 .30 Bal. Pb, .003 Max.  
ASTM A436 TYPE 1b 3.00 .5 -1.5 1.00-2.80 2.50-3.50 13.50-17.50   5.50-7.50 .12   Bal.    
ASTM A436 TYPE 2 3.00 .5 -1.5 1.00-2.80 1.5 -2.5 18.00-22.00   .50 .12   Bal.    
ASTM A436 TYPE 2b 3.00 .5 -1.5 1.00-2.80 3.00-6.00 18.00-22.00   .50 .12   Bal.    
ASTM A436 TYPE 3 2.60 .5 -1.5 1.00-2.00 2.50-3.50 28.00-32.00   .50 .12   Bal.    
ASTM A436 TYPE 4 2.60 .5 -1.5 5.00-6.00 4.50-5.50 29.00-32.00   .50 .12   Bal.    
ASTM A436 TYPE 5 2.40 .5 -1.5 1.00-2.00 .10 34.00-36.00   .50 .12   Bal.    
ASTM A436 TYPE 6 3.00 .5 -1.5 1.50-2.50 1.00-2.00 18.00-22.00 1.00 3.5 -5.5 .12   Bal.    
 AUSTENITIC DUCTILE IRON ASTM A 439 TYPE D-2 3.00 .70-1.25 1.50-3.00 1.75-2.75 18.00-22.00       .08 Bal.    
AMS 5394 B 2.40-3.00 .80-1.60 2.00-3.20 1.70-2.40 18.00-22.00   .50 .15 .25 Bal. Pb, .003 Max.  
ASTM A 439 TYPE D-2B 3.00 .70-1.25 1.50-3.00 2.75-4.00 18.00-22.00       .08 Bal.    
ASTM A 439 TYPE D-2C 2.90 1.80-2.40 1.00-3.00 .50 21.00-24.00       .08 Bal.    
AMS 5395 B 2.50-3.00 1.90-2.50 2.00-3.00 .50 20.00-24.00 .30   .05 .15 Bal.    
ASTM A 439 TYPE D-3 2.60 1.00 1.00-2.80 2.50-3.50 28.00-32.00       .08 Bal.    
ASTM A 439 TYPE D-3A 2.60 1.00 1.00-2.80 1.00-1.50 28.00-32.00       .08 Bal.    

 

Alloy Specification Carbon Min-Max Manganese Min-Max Silicon Min-Max Chromium Min-Max Nickel Min-Max Molybdenum Min-Max Copper Min-Max Sulfur Min-Max Phosphorus Min-Max Iron Other Melting Range 0F
AUSTENITIC DUCTILE IRON (Cont.) ASTM A 439 TYPE D-4 2.60 1.00 5.00-6.00 4.50-5.50 28.00-32.00       .08 Bal.    
ASTM A 439 TYPE D-5 2.40 1.00 1.00-2.80 .10 34.00-36.00       .08 Bal.    
ASTM A 439 TYPE D-5B 2.40 1.00 1.00-2.80 2.00-3.00 34.00-36.00       .08 Bal.    
ASTM A 439 TYPE D-5S 2.30 1.00 4.90-5.50 1.75-2.25 34.00-37.00       .08 Bal.    
ABRASION RESISTANT IRONS (NIHARD) ASTM A 532 1-A 3.0-3.6 1.3 .8 1.4 -4.0 3.3 - 5.0 1.0   .15 .30 Bal.    
ASTM A 532 1-B 2.5-3.0 1.3 .8 1.4 -4.0 3.3 - 5.0 1.0   .15 .30 Bal.    
ASTM A 532 1-C 2.9-3.7 1.3 .8 1.1 -1.5 2.7 - 4.0 1.0   .15 .30 Bal.    
ASTM A 532 1-D 2.5-3.6 1.3 1.0 -2.2 7.0 -11.0 4.5 - 7.0 1.0   .15 .10 Bal.    
ASTM A 532 2-A 2.4-2.8 .5-1.5 1.0 11.0-14.0 .5 .5-1.0 1.2 .06 .10 Bal.    
ASTM A 532 2-B 2.4-2.8 .5-1.5 1.0 14.0-18.0 .5 1.0-3.0 1.2 .06 .10 Bal.    
ASTM A 532 2-C 2.8-3.6 .5-1.5 1.0 14.0-18.0 .5 2.3-3.5 1.2 .06 .10 Bal.    
ASTM A 532 2-D 2.0-2.6 .5-1.5 1.0 18.0-23.0 1.5 1.5 1.2 .06 .10 Bal.    
ASTM A 532 2-E 2.6-3.2 .5-1.5 1.0 18.0-23.0 1.5 1.0-2.0 1.2 .06 .10 Bal.    
ASTM A 532 3-A 2.3-3.0 .5-1.5 1.0 23.0-28.0 1.5 1.5 1.2 .06 .10 Bal.