Products > Iron Alloys > Continuous Cast G2 Gray Iron
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Atlas is proud to offer the NEW Durabar Resource guide.  This 4-part guide delves into the specifics of Durabar Products. 
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SPECS
Chemical Composition  (typical ranges)   
 Carbon     Silicon  Manganese   Sulphur        Phos.           
Typical %    2.6-3.75    1.8-3.0      0.6-.95       0.07Max    0.12 Max   
Mechanical Properties 
Mechanical Properties



Brinell Hardness






Compressive Strength
Heat Treat Response

27,000 - 40,000 psi  depending on section size *As taken from bar mid-radius. Tensile strength decreases as section size increases and is dependant on test bar type/location.
As-Cast, Milled & Saw Cut
183 - 285 depending on section size






Typically 3-4 times tensile strength
Can be hardened by conventional heat treat methods to Rc 50 minimum.  Hardness will decline to below Rc 50 beginning at appox. .200" deep.
   Diameter                  Min BHN       Max BHN
     .750 - 1.500
>1.500 - 3.000
>3.000 - 6.000
>6.000 - 10.00
>10.00 - 19.00
207
207
197
183
183
285
277
269
269
269