3D Systems,LaserForm® 17-4PH (A) AS-BUILT Stainless Steel Rod/Bar Material

3D Systems LaserForm® 17-4PH (A) AS-BUILT Stainless Steel Rod Material Product Information -:- For detailed product information, please contact sales. -: 3D Systems LaserForm® 17-4PH (A) AS-BUILT Stainless Steel Rod Material Synonyms -:- For detailed product information, please contact sales. -:

3D Systems LaserForm® 17-4PH (A) AS-BUILT Stainless Steel Material Product Information -:- For detailed product information, please contact sales. -: # **3D Systems LaserForm® 17-4PH (A) AS-BUILT Stainless Steel Material** ## **Product Overview** **3D Systems LaserForm® 17-4PH (A) AS-BUILT** represents a specialized precipitation-hardening stainless steel formulation specifically engineered for Direct Metal Printing (DMP) and Laser Powder Bed Fusion (LPBF) technologies. Distinguished by its optimized **"AS-BUILT" performance characteristic**, this material grade is designed to deliver **service-ready mechanical properties directly from the build platform** without mandatory post-build heat treatment for many applications. The "(A)" designation indicates a unique alloy modification that achieves enhanced mechanical properties in the as-built state while maintaining excellent corrosion resistance and dimensional stability. ## **Technology Platform Compatibility** - **Primary Manufacturing Process:** Direct Metal Printing (DMP) / Laser Powder Bed Fusion (LPBF) - **Compatible 3D Systems Printers:** ProX DMP 200/300, DMP Factory 350/500/850 Series - **Build Envelope:** Up to 500 x 500 x 500 mm (system dependent) - **Standard Layer Thickness:** 30-60 μm - **Atmosphere:** High-purity argon (<50 ppm O₂) - **Process Control:** Integrated monitoring with 3D Systems 3DXpert® software ## **Material Specifications** ### **Chemical Composition (wt%, Powder Specification)** | Element | Target Range | AM-Optimized Function | |---------|--------------|-----------------------| | **Chromium (Cr)** | 15.5-16.5 | Corrosion resistance, matrix strength | | **Nickel (Ni)** | 4.0-4.5 | Austenite stabilization, toughness | | **Copper (Cu)** | 3.2-3.8 | **Enhanced precipitation in as-built state** | | **Manganese (Mn)** | 0.3-0.7 | Deoxidizer, solid solution strengthening | | **Silicon (Si)** | 0.3-0.7 | Deoxidizer, fluidity enhancement | | **Carbon (C)** | ≤0.03 | **Ultra-low for improved AM processability** | | **Niobium (Nb)** | 0.25-0.35 | Grain refinement, carbide formation | | **Nitrogen (N)** | 0.03-0.07 | **As-built strength enhancement** | | **Phosphorus (P)** | ≤0.02 | Impurity control | | **Sulfur (S)** | ≤0.01 | Impurity control | | **Iron (Fe)** | Balance | Matrix | *Proprietary modification from standard 17-4PH for optimized as-built performance.* ## **Powder Characteristics (Pre-Build)** | Property | Specification | Test Method | |----------|---------------|-------------| | **Particle Size Distribution** | D10: 18-22 μm, D50: 28-33 μm, D90: 40-48 μm | ASTM B822 | | **Particle Morphology** | >98% spherical, satellite-controlled | SEM/Image Analysis | | **Apparent Density** | 4.1-4.3 g/cm³ | ASTM B212 | | **Tap Density** | 4.9-5.1 g/cm³ | ASTM B527 | | **Flowability** | 22-28 s/50g | Hall Flowmeter | | **Moisture Content** | <0.015% | Karl Fischer | | **Oxygen Content** | <300 ppm | Inert gas fusion | | **Recyclability Index** | >80% after 5 cycles | Vendor protocol | ## **AS-BUILT Mechanical Properties** *(Direct from build plate, no heat treatment, standard build parameters)* ### **Tensile Properties (ASTM E8/E8M)** | Orientation | Ultimate Tensile Strength | Yield Strength (0.2%) | Elongation | Reduction of Area | |-------------|---------------------------|-----------------------|------------|-------------------| | **Horizontal (XY)** | 1180-1250 MPa | 1050-1120 MPa | 8-12% | 25-35% | | **Vertical (Z)** | 1150-1220 MPa | 1020-1100 MPa | 7-10% | 20-30% | | **45° Diagonal** | 1160-1240 MPa | 1040-1110 MPa | 8-11% | 22-32% | *Anisotropy: <8% difference between orientations* ### **Additional Mechanical Properties** | Property | As-Built Value | Test Standard | Notes | |----------|----------------|---------------|-------| | **Hardness** | 36-40 HRC | ASTM E18 | Uniform throughout part | | **Impact Toughness** | 15-22 J | ASTM E23 | Charpy V-notch, room temp | | **Fatigue Strength** | 380-420 MPa | ASTM E466 | R=-1, 10⁷ cycles | | **Young's Modulus** | 185-195 GPa | ASTM E111 | | | **Shear Strength** | 750-820 MPa | ASTM B831 | | | **Compressive Strength** | 1350-1450 MPa | ASTM E9 | | ## **Physical Properties (As-Built State)** | Property | Value | Conditions/Notes | |----------|-------|------------------| | **Density** | ≥99.6% | Archimedes method, relative to wrought | | **Thermal Conductivity** | 16-18 W/m·K | 20°C, as-built microstructure | | **Coefficient of Thermal Expansion** | 10.6×10⁻⁶/K | 20-200°C | | **Specific Heat Capacity** | 450-470 J/kg·K | 20°C | | **Electrical Resistivity** | 0.82-0.85 μΩ·m | 20°C | | **Magnetic Properties** | Ferromagnetic | As-built martensitic structure | | **Surface Roughness** | Ra 6-10 μm, Rz 40-60 μm | As-built, upward-facing surfaces | ## **Metallurgical Characteristics (As-Built)** - **Microstructure:** Fine cellular martensite with nano-scale Cu-rich precipitates - **Grain Structure:** Columnar grains along build direction, fine equiaxed in XY plane - **Precipitate Distribution:** Homogeneous nano-precipitation from in-situ thermal cycles - **Porosity:** <0.2% typical, spherical gas porosity only - **Inclusion Content:** <0.01% area fraction, oxide-free manufacturing ## **Corrosion Performance (As-Built Surface)** | Test Environment | Performance Rating | Test Method | Notes | |------------------|-------------------|-------------|-------| | **Salt Spray** | 500+ hours to red rust | ASTM B117 | Unpolished surface | | **Potentiodynamic Polarization** | E_pit > 350 mV | ASTM G61 | 3.5% NaCl solution | | **Intergranular Corrosion** | Pass | ASTM A262 Practice E | As-built condition | | **Galvanic Corrosion** | Cathodic to 316L | ASTM G71 | | | **Stress Corrosion Cracking** | Threshold: 250 MPa | ASTM G39 | 3.5% NaCl, U-bend | ## **Heat Treatment Options (Optional)** *While designed for as-built use, post-processing heat treatments are available:* | Treatment | Temperature/Time | Resulting Hardness | Primary Application | |-----------|-----------------|-------------------|---------------------| | **Stress Relief Only** | 550°C/2h, FC | 35-38 HRC | Dimensional stabilization | | **Direct Aging (DA)** | 480°C/4h, AC | 40-44 HRC | Enhanced strength | | **H1150 Equivalent** | 620°C/4h, AC | 32-35 HRC | Maximum toughness/corrosion | | **HIP + Aging** | 1120°C/100MPa/2h + 480°C/4h | 42-46 HRC | Critical aerospace parts | ## **Design for AM Guidelines** ### **Geometric Capabilities** - **Minimum Wall Thickness:** 0.4 mm (self-supporting), 0.3 mm (supported) - **Minimum Feature Size:** 0.2 mm - **Unsupported Overhang:** 40° (recommended), 30° (possible with risk) - **Support Structure:** Required below 40°, optimized patterns available - **Hole Diameter:** 0.6 mm (through), 0.8 mm (blind, depth ≤2×diameter) - **Escape Holes:** Minimum 3 mm for powder removal ### **Build Recommendations** - **Optimal Orientation:** 45° tilt for strength/surface compromise - **Critical Surfaces:** Orient vertically for best finish - **Thermal Management:** Avoid massive sections >50 mm without breaks - **Residual Stress:** Gradual section transitions (3:1 ratio max) ## **Primary Applications** ### **Immediate-Use Functional Components** - **Unmanned Systems:** UAV structural brackets, drone arm mounts - **Robotics:** End-effector fingers, actuator housings, linkage arms - **Fluid Handling:** Pump impellers, valve bodies, manifold blocks - **Semiconductor:** Wafer handling tools, vacuum chamber components ### **Tooling & Manufacturing Aids** - **Composite Tooling:** Out-of-autoclave (OOA) molds, lay-up tools - **Injection Molding:** Rapid tooling inserts, conformal cooling molds - **Fixtures & Jigs:** Assembly fixtures, welding jigs, CMM holding fixtures - **Gauges & Templates:** Inspection fixtures, drill templates ### **Performance & Racing** - **Automotive:** Brackets, mounts, suspension components - **Motor sports:** Lightweight structural elements, cooling ducts - **Aerospace:** Non-critical airframe brackets, interior components ## **Quality Standards & Certifications** - **Material Standard:** ASTM F3184-16 (17-4PH for AM) - **Process Standard:** ASTM F3302 (PBF-LB process) - **Aerospace:** Relevant to AMS 5604G requirements - **Quality System:** ISO 9001:2015 certified production - **Traceability:** Lot-controlled powder with full chemical/particle analysis - **Safety:** Compliant with ISO 14987 (metal powder safety) ## **Post-Processing Considerations** ### **Support Removal** - **Method:** Wire EDM, band saw, manual tools - **Recommendation:** Leave 0.5 mm stock for machining interface ### **Surface Enhancement** - **Machining:** Excellent machinability in as-built state - **Grinding/Polishing:** Achieves Ra < 0.2 μm - **Electropolishing:** Removes 20-50 μm, improves corrosion resistance - **Shot Peening:** Almen 0.008-0.012A for fatigue improvement ### **Inspection & Validation** - **Dimensional:** CMM, laser scanning, optical comparators - **Non-Destructive:** Dye penetrant (ASTM E1417), micro-CT scanning - **Metallurgical:** Microstructure analysis, hardness mapping ## **Storage & Handling** ### **Powder Management** - **Storage:** Sealed container under inert gas, <25% humidity - **Handling:** Inert glove box recommended, NFPA 484 compliance - **Recycling:** Up to 80% refresh ratio with virgin powder - **Disposal:** Metal recycler, not landfill ### **Safety Protocols** - **Personal Protection:** Respirator (P100), gloves, protective clothing - **Fire Safety:** Class D fire extinguisher required - **Ventilation:** Local exhaust ventilation at powder handling stations ## **Technical Support Services** - **Parameter Development:** Custom parameter sets for specific applications - **Design Optimization:** DFAM consultation through 3D Systems applications team - **Material Testing:** Application-specific mechanical/corrosion testing - **Failure Analysis:** Root cause determination for production issues ## **Ordering Information** - **Standard Packaging:** 1 kg, 5 kg, 20 kg argon-sealed containers - **Lead Time:** 2-4 weeks for standard quantities - **Documentation:** Lot-specific CoA, MSDS, AM material data sheet - **Regional Availability:** Global distribution network --- **3D Systems Corporation** *Precision. Performance. Productivity.* Additive Manufacturing Solutions www.3dsystems.com/materials --- **Disclaimer:** Data represents typical values from standardized test specimens produced under controlled conditions. Actual part performance depends on specific geometry, build parameters, and post-processing. For critical applications, application-specific testing is required. Specifications subject to change without notice. -:- For detailed product information, please contact sales. -: 3D Systems LaserForm® 17-4PH (A) AS-BUILT Stainless Steel Material Specification Dimensions Size： Diameter 20-1000 mm Length <7219 mm Size:We can customized as required Standard： Per your request or drawing We can customized as required Properties（Theoretical） Chemical Composition -:- For detailed product information, please contact sales. -: 3D Systems LaserForm® 17-4PH (A) AS-BUILT Stainless Steel Material Properties -:- For detailed product information, please contact sales. -:

Applications of 3D Systems LaserForm® 17-4PH (A) AS-BUILT Stainless Steel Rod Material -:- For detailed product information, please contact sales. -: Chemical Identifiers 3D Systems LaserForm® 17-4PH (A) AS-BUILT Stainless Steel Rod Material -:- For detailed product information, please contact sales. -:

Packing of 3D Systems LaserForm® 17-4PH (A) AS-BUILT Stainless Steel Rod Material -:- For detailed product information, please contact sales. -: Standard Packing: -:- For detailed product information, please contact sales. -: Typical bulk packaging includes palletized plastic 5 gallon/25 kg. pails, fiber and Steel Rod drums to 1 ton super sacks in full container (FCL) or truck load (T/L) quantities. Research and sample quantities and hygroscopic, oxidizing or other air sensitive materials may be packaged under argon or vacuum. Solutions are packaged in polypropylene, plastic or glass jars up to palletized 3690 gallon liquid totes Special package is available on request. E FORUs’ is carefully handled to minimize damage during storage and transportation and to preserve the quality of our products in their original condition