Chemical Composition  (typical ranges)   
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  Copper            Iron          Graphite     Tin         Total Other Elements
Typical %    18.0-22.0      Balance     0.3 Max         -                          2.0  
Physical & Mechanical Properties 
Density 
Porosity 
"K" Strength Constant
Tensile strength 
Modulus of Rupture 
Elongation 
Apparent Rockwell Hardness 
Composition % 
5.8 - 6.2 (gm.per cu.cent)
18 min. (% by volume)
30,000
22,000 (PSI As sintered)
40,000 (P.S.I)
2-3 (% in 1")
F-35 
Products > Iron Alloys > Sintered Iron Products > Sintered Iron Properties
Material Tolerances
Cored Bar  
1/2" I.D.  to 3" I.D. 
1." O.D.to 4 7/8" O.D. 
5" Length 
Solid Bar  
3/8" O.D. to 8" O.D. 
2 1/2 to 5" Length 

-.010
+.010
±.010 

+0.10
±.010