Material Material code Density  g/cm3 Hardness HRC/HRB Tensile strength Mpa Elongation(%)
Iron basealloys Fe2Ni( normalcy) 7.6 87HRB 530 16
Fe2Ni(heat treatment) 7.6 50HRC 1630 3
Fe-8Ni(normalcy) 7.58 92HRB 65 20
Fe-8Ni(heat treatment) 7.58 55HRC 1750 5
Fe2NiCu0.5Mo(heat treatment) 7.5 60HRC 1830 6
Stainlesssteel 316 7.7 62HRB 630 50
17-4PH(sintered) 7.65 25HRC 950 7
17-4PH(heat treatment) 7.65 45HRC 1320 5
440C(heat treatment) 7.6 60HRC 600 10
420(heat treatment) 7.5 50HRC 950 7

Heat Treating for MIM Components

MIM materials may be heat treated to increase strength, hardness, and wear resistance. The degree of hardening is determined by the percentage of carbon, alloying elements, and residual porosity of the component. Heat treated parts are given the ultimate tensile strength. To ensure optimum strength and durability, tempering or stress relief is required after quenching.

Calibration after Sintering

After your components are completely rid of all binding material, it may need to be calibrated. Calibration can include these three processes:

Coining

Sizing

Straightening

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