SS 420

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SS 420 420 is martensitic stainless steel, which has good mechanical properties, thermal conductivity, and polishing properties similar to mold steel, while maintain good corrosion resistance. Size distribution 15–53 μm D10 (μm) ≥15 D50 (μm) 30-40 D90 (μm) ≤60 Hall flow s/50g ≤25 Bulk density g/cm³ ≥4.0 Tap density g/cm³ ≥4.4 Sphericity / Heat treatment recommendation Recommended HT solution 1050°C/0.5H/WQ Mechanical properties (after heat treatment) Hardness (HRC) 48-52 Test temperature Tensile strength (MPa) Yield strength (MPa) Elongation (%) / ≥1950 ≥1530 ≥7 Show more