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 and mechanical performance.

Chemical Composition (wt.%)

Element Specification
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

Parameter Specification
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 used in industrial manufacturing and high-performance engineering fields.

Processing Method

Suitable for Selective Laser Melting (SLM)