Additive Manufacturing Metal Powders have excellent corrosion resistance, high temperature resistance, wear resistance, creep resistance and good appearance luster, and have high forming strength, which can meet the processing requirements of large-size 3D printing; Stainless steel powder and die steel powder are widely used in aerospace, medical equipment manufacturing, automobile manufacturing, die manufacturing and other fields; Spherical stainless steel powder and alloy steel powder are widely used in spray and spray welding; Commonly used brands are 316L, 304L, 17-4PH, S136, 440C, H13, etc Particle size（μm）Tap density(g/cm³) Flowability (s/50g) PSD(μm） Particle size（μm ）Tap density(g/cm³) Flowability (s/50g) D10 D50 D90 15-45μm 4.4-4.8 ≤30 20-24 30-35 50-55 15-53μm 4.4-4.9 ≤25 22-26 34-39 53-58 45-120μm 4.4-4.8 ≤30 53-57 89-93 144-152