Atomfair 17-4PH Stainless Steel Powder

17-4PH is a low-carbon, high-chromium precipitation-hardening stainless steel. It enhances hardness and strength via ε-Cu, NbC precipitates from Cu, Nb during aging, with good corrosion resistance. Suitable for SLM, used in industrial structural components.

Description

Low-carbon, high-chromium precipitation-hardening stainless steel powder with excellent corrosion resistance.

Chemical Composition (wt.%)
Fe Balance
C ≤0.07
Si ≤1.0
Mn ≤1.0
Cr 15.0-17.5
Ni 3.0-5.0
Cu 3.0-5.0
Nb 0.15-0.45
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 ≥1100 ≥1050 ≥15.0
Heat-treated ≥1310 ≥1250 ≥12.0

Applications: Structural components in industrial fields.

Processing Method: SLM.