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Master Bond adhesives
ASTM A897 Grade 2 (150-100-07 or 150-110-7) Austempered Ductile Iron
Categories: Metal; Ferrous Metal; Cast Iron; Alloy Cast Iron; Ductile Iron

Material Notes: ASTM 897 (in-lb units) 150-100-07 or 150-110-7
ASTM 897M (SI units) 1050-700-07.

Austempered Ductile Iron (ADI) offers low cost, design flexibility, good machinability, high strength-to-weight ratio and good toughness, wear resistance and fatigue strength because it can be cast like any other member of the Ductile Iron family, thus offering all the production advantages of a conventional Ductile Iron casting. Subsequently it is subjected to the austempering process to produce mechanical properties that are superior to conventional ductile iron, cast and forged aluminum and many cast and forged steels.

The mechanical properties of Ductile Iron and ADI are primarily determined by the metal matrix. The matrix in conventional Ductile Iron is a controlled mixture of pearlite and ferrite. (Tempered martensitic matrices may be developed for wear resistance, but lack the ductility of either as-cast Ductile Iron or ADI). The properties of ADI are due to its unique matrix of acicular ferrite and carbon stabilized austenite; called Ausferrite. ADI is a group of materials whose mechanical properties can be varied over a wide range by a suitable choice of heat treatment, as seen in the various entries in MatWeb.

The composition reported herein does not guarantee ADI properties, nor is it mandatory. However, this composition is a typical, industrially successful ADI composition. A good controlled chemistry like this one combined with a consistently high nodule count and nodularity and a consistent pearlite/ferrite ratio in clean, shrink-free Ductile Iron will provide the most robust process for the production of ADI.

Information supplied to MatWeb by Applied Process, Inc.

Key Words: ADI; ASTM A897M-15
Vendors:
Available Properties
  • Density
  • Hardness, Brinell, B.I.D. 3.30 mm
  • Tensile Strength, Ultimate, Minimum
  • Tensile Strength, Ultimate, Typical
  • Tensile Strength, Yield, Minimum
  • Tensile Strength, Yield, Typical
  • Elongation at Break, Minimum
  • Elongation at Break, Typical; in 2 inch (50 mm) gage length
  • Reduction of Area
  • Modulus of Elasticity, Static Young's Modulus
  • Modulus of Elasticity, Dynamic
  • Compressive Yield Strength
  • Poissons Ratio
  • Fatigue Strength, Axial Push-Pull
  • Fatigue Strength, Reverse Bending, as machined
  • Fatigue Strength, rotating bending, as machined
  • Fracture Toughness
  • Shear Modulus
  • Shear Strength
  • Charpy Impact
  • Charpy Impact, Unnotched
  • CTE, linear
  • Thermal Conductivity
  • Carbon, C
  • Copper, Cu
  • Iron, Fe
  • Manganese, Mn
  • Molybdenum, Mo
  • Nickel, Ni
  • Silicon, Si
  
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