Atomfair 15-5PH Stainless Steel Powder

15-5PH is a low-carbon, high-chromium precipitation-hardening stainless steel. It precipitates ε-Cu, NbC via Cu, Nb during aging, offering excellent dimensional stability and mechanical properties. Suitable for SLM, used in aerospace parts, fasteners, valves, gears and pumps.

Description

Low-carbon, high-chromium precipitation-hardening stainless steel powder with excellent dimensional stability.

Chemical Composition (wt.%)
Fe Balance
C ≤0.07
Si ≤1.0
Mn ≤1.0
Cr 14.5-15.5
Ni 3.5-5.5
Nb 0.15-0.45
Cu 2.5-4.5
P ≤0.015
S ≤0.015
N ≤0.1
Physical Properties
D10 (μm) ≥15
D50 (μm) 30-40
D90 (μm) ≤56
Sphericity ≥0.9
Apparent Density (g/cm³) ≥4.0
Tapped Density (g/cm³) ≥4.5
Flowability (s/50g) ≤20
Mechanical Properties
Condition Tensile Strength (MPa) Yield Strength (MPa) Elongation (%)
As-deposited ≥1130 ≥1050 ≥17.0
Heat-treated ≥1450 ≥1130 ≥14.0

Applications: Aerospace components, fasteners, valves, gears and pumps.

Processing Method: SLM.