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STAINLESS STEEL 17-4PH

STAINLESS STEEL 17-4PH

Product catalog summary
Specifications
3DEO provides specifications for heat-treated and as-sintered materials, comparing them to MPIF standards. Key mechanical properties include:
  • Ultimate Tensile Strength: 1050 MPa (as-sintered), 1300 MPa (H900)
  • Yield Strength: 800 MPa (as-sintered), 1100 MPa (H900)
  • Elongation: 4% (as-sintered), 7% (H900)
  • Hardness: 30 HRC (as-sintered), 40 HRC (H900)
  • Corrosion Resistance: 0.002 g/dm²/d
  • Density: 7.7 g/cm³
Standards referenced include ASTM E8/E8M, ASTM E18, and MPIF 62.

Material Properties
The material offers superior surface finish, excellent mechanical properties up to 600°F (316°C), good weldability and machinability, and is a magnetic metal alloy with near wrought part density (>99.0%).

Industries Served
The material is suitable for Aerospace & Defense, Automotive, Consumer Products, Industrial Equipment, Medical & Dental, and Robotics.

Chemical Composition
The chemical composition of the stainless steel 17-4PH includes:
  • Carbon: max 0.07%
  • Manganese: max 1.00%
  • Phosphorus: max 0.04%
  • Sulfur: max 0.03%
  • Silicon: max 1.00%
  • Chromium: 15.00-17.50%
  • Nickel: 3.00-5.00%
  • Copper: 3.00-5.00%
  • Niobium & Tantalum: 0.15-0.45%
  • Iron: Balance
Other elements combined should not exceed 1.00%.

Powder Properties
The document outlines the properties of precipitation-hardening martensitic stainless steel, emphasizing its mechanical strength and application versatility.
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Catalog excerpts

STAINLESS STEEL 17-4PH-1

MATERIAL PROPERTIES MPIF Standard As-sintered Ultimate Tensile Strength (MPa) • Superior surface finish in metal AM • Excellent mechanical properties up to ~600°F (316 °C) • Good weldability & machinability • Magnetic metal alloy • Near wrought part density (>99.0%) INDUSTRIES SERVED Relative Density (%) • Aerospace & Defense • Industrial Equipment • Medical & Dental • Consumer Products Precipitation-hardening martensitic stainless steel V-Notched Charpy (J) Surface Roughness (Ra, μm) As-sintered: 3.2 (125 μin) With Secondary Ops: 0.8 (32 μin) As-sintered: ± 0.3% (± 0.003 in/in) With Secondary Ops: ± 0.1% (± 0.001 in/in) The performance characteristics of these materials may vary according to application, operating conditions, or end use. Each buyer is responsible for determining that the material is safe, lawful, and technically suitable for the intended application. 3DEO makes no warranties, expressed or implied, including, but not limited to, the warranties of merchantability, fitness for a particular use, or warranty against patent infringement. Product specifications are subject to change without notice. *Additional heat treatment options available upon request. POWDER PROPERTIES Niobium & Tantalum (Nb+Ta) Other Elements: Total may not exceed 1.00% combined. Same chemical composition as the built parts. In accordance with MPIF Standard 35 (2018 Edition) and ASTM UNS S17400 (12th Edition). Strain (mm/mm)

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