ASTM grade is ductile cast iron in the as-fabricated no temper or treatment condition. D is the SAE designation. Additionally, the UNS number is F The graph bars on the material properties cards below compare ASTM grade to: cast irons top , all iron alloys middle , and the entire database bottom.
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Dura-Bar ductile iron will contain nodular graphite in a matrix of ferrite and pearlite. This material is readily machinable with good surface finishes. Tensile and yield strengths are similar to AISI steel in the as-rolled condition. Download the Ductile Iron Product Brief. Contact Us. The matrix is pearlite and ferrite. The edge or rim has a higher nodule count and ferrite content.
The inside diameter hardness will be less than Rockwell C Lower quench hardness on the inside diameters are a result of larger graphite nodules and not a loss of matrix hardness.
Get more details including typical Jominy end quench curve, methods and cycle times, and temperature effects by downloading the Dura-Bar Heat Treating Guide. As-cast round bars are made to clean up at the nominal size. Additional stock is added to allow for out-of-round and normal imperfections in the as-cast surface. Stock allowance is a function of the bar diameter — see Stock Allowances for details. Other finishes available are Centerless Grinding and Centerless Turning , for demanding tolerance applications.
As-cast rectangles are made to the actual size with no allowance for machine stock added. Rectangles are cast to actual dimension, with clean up stock dependent on the height and width ratio. See Stock Allowances for details. All custom shapes are special order and are quoted individually at minimum run quantities. Contact us to find out if a Dura-Bar custom shape will work for your part.
Carbon and silicon targets are specified for each bar size in order to maintain mechanical properties. Magnesium is added as an inoculant to produce nodular graphite. Small amounts of alloying elements are used to stabilize the pearlitic structure. Hardness properties for various diameters are shown in the table.
Hardness properties listed are minimum and maximum across the bar. For rectangles, squares and shapes, the hardness properties will depend on minimum and maximum section thickness and will be supplied on request. Tensile strength is determined from a longitudinal test specimen taken from mid-radius of the as-cast bar.
In bars under 1. View All Applications. Stock Sizes: and X. Custom Shapes. Sizes can be designed to meet your requirements. Technical Specifications. Chemical Composition Carbon and silicon targets are specified for each bar size in order to maintain mechanical properties. Element Percentage Carbon 3. Mechanical Properties Hardness properties for various diameters are shown in the table.
Typical Applications. Where To Buy.
V-4 80-55-06 ASTM A536 SG Ductile Iron Stock Supplier
Login to see your most recently viewed materials here. Or if you don't have an account with us yet, then click here to register. Cerium is an optional constituent in ductile iron. Most ductile irons are specified based on mechanical properties and have loosely defined compositions. Applications include crankshafts, gears and rollers.
Ductile Iron 80-55-06
Dura-Bar ductile iron will contain nodular graphite in a matrix of ferrite and pearlite. This material is readily machinable with good surface finishes. Tensile and yield strengths are similar to AISI steel in the as-rolled condition. Download the Ductile Iron Product Brief.