Custom Stainless Steel Parts Manufacturer
17-4PH
ATA – Trusted Custom Stainless Steel Fabricator Specializing in 17-4PH Precipitation Hardening Stainless Steel Precision Manufacturing, Age Hardening & High-Tolerance Component Fabrication
Custom Manufacturer
ATA 17-4PH: Precision Custom Fabrication & Controlled Age Hardening for High-Strength, Corrosion-Resistant Precision Components
ATA delivers industry-leading precision fabrication and tailored age hardening services for 17-4PH, leveraging specialized processing techniques and strict quality oversight to produce high-strength, dimensionally stable components that meet the strictest aerospace, medical, and industrial performance standards.
Product Form Type | Standard Processing Size Range | Controlled Tolerance Standard (ISO 2768-f / ANSI B4.1) |
|---|---|---|
Sheet & Plate Products | 0.8mm – 30mm Thickness; 100mm – 3000mm Length/Width | Thickness: ±0.04mm; Length/Width: ±0.4mm per linear meter |
Round Bar & Solid Profiles | 8mm – 200mm Diameter; 100mm – 6000mm Single Length | Diameter: ±0.02mm; Length: ±0.6mm per linear meter |
Custom Precision Machined Parts | Fully Customized per Client Technical Drawings | Linear Tolerance: ±0.01mm – ±0.08mm; Angular Tolerance: ±0.3° |
Why Your Project Needs 17-4PH
17-4PH is a premium precipitation hardening stainless steel grade that delivers an unbeatable combination of high tensile strength, excellent corrosion resistance, and exceptional dimensional stability after heat treatment, making it the top choice for high-stress, precision-critical applications. Unlike standardaustenitic stainless steel grades, it can be heat treated to achieve high strength without sacrificing corrosion resistance, and it maintains consistent performance in moderate temperature environments. This versatile grade is widely used in aerospace components, defense equipment, medical devices, industrial machinery parts, valve components, and high-precision mechanical fittings, where reliability, strength, and tight tolerances are non-negotiable. 17-4PH also offers good machinability in its solution annealed state, simplifying custom fabrication before final age hardening, making it ideal for complex precision parts.
Material Grade | Core Performance Traits | Optimal Application Scenarios |
|---|---|---|
17-4PH | Balanced high strength, good corrosion resistance, cost-effective, easy heat treatment | Aerospace fittings, industrial valves, mechanical components, general precision parts |
15-5PH | Higher toughness, better ductility, slightly lower strength than 17-4PH | Medical devices, structural components, high-toughness precision parts |
PH13-8Mo | Superior corrosion resistance, ultra-high strength, molybdenum enhanced | Aerospace critical parts, marine high-corrosion components, specialized defense gear |
ATA Stainless steel fabrication
ATA 17-4PH Products
stainless steel customized mechanical parts
Precision-machined custom components crafted from 17-4PH, designed for high-stress industrial and aerospace use, with post-fabrication age hardening to achieve maximum strength, tight tolerances, and long-term dimensional stability for heavy-duty mechanical assemblies.
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stainless steel round bar
Cold-finished and centerless ground 17-4PH round bars available in custom diameters and lengths, ideal for precision shafting, valve stems, and mechanical fasteners, with consistent metallurgical properties for reliable heat treatment and machining.
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stainless steel valve
High-strength valve discs, stems, and bodies fabricated from 17-4PH, offering excellent corrosion resistance and wear resistance for industrial fluid control systems, performing reliably in high-pressure, moderate-temperature operating conditions.
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stainless steel brackets
Heavy-duty structural and mounting brackets made from 17-4PH, combining high load-bearing strength and corrosion resistance for aerospace, defense, and industrial equipment mounting, with custom bending and machining per design specs.
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stainless steel pressure vessel
Precision pressure vessel connectors and reinforcement parts fabricated from 17-4PH, engineered to withstand high internal pressures while maintaining corrosion resistance, compliant with industrial pressure equipment standards.
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Drawered Stainless Steel Workbench
End-to-End Customization: From concept to production, we handle it all
Precision Engineering: Advanced machinery and skilled craftsmanship
Fast Turnaround: Quick quotes, rapid prototyping, on-time delivery
Export-Ready Packaging: Safe and secure for international shipping
ATA Stainless steel fabrication Center
ATA Stainless Steel fabrication: One-Stop Precision Solutions for Your Stainless Steel Needs.
17-4PH Technical Specs
Chemical Composition
Element | Content Range (%) |
|---|---|
Carbon (C) | ≤0.07 |
Silicon (Si) | ≤1.00 |
Manganese (Mn) | ≤1.00 |
Phosphorus (P) | ≤0.040 |
Sulfur (S) | ≤0.030 |
Chromium (Cr) | 15.00 – 17.50 |
Nickel (Ni) | 3.00 – 5.00 |
Copper (Cu) | 3.00 – 5.00 |
Niobium + Tantalum (Nb+Ta) | 0.15 – 0.45 |
Iron (Fe) | Balance |
Mechanical Properties
Performance Index | Typical Test Value |
|---|---|
Tensile Strength | ≥1310 MPa |
Yield Strength (Rp0.2) | ≥1170 MPa |
Elongation (A5) | ≥10% |
Rockwell Hardness (HRC) | ≥40 HRC |
Elastic Modulus | 197 GPa |
Density | 7.85 g/cm³ |
Fabrication Capabilities
ATA 17-4PH Fabrication Capabilities
- Maximum Processing Diameter/Length: ATA can process17-4PH round bars, solid profiles, and custom forgings up to 200mm in diameter and 6000mm in single-piece length, supporting large-scale aerospace and industrial precision components without segmented fabrication.
- Maximum Plate Thickness Cutting: We handle17-4PH sheets and plates up to 30mm thick via precision cutting methods, delivering clean, burr-free edges with minimal thermal distortion to preserve the material’s metallurgical integrity for post-processing and heat treatment.
- Core Processing Methods: Our full-service fabrication for 17-4PH includes stainless steel cnc machining, stainless steel milling, turning, and grinding, optimized for the material’s solution annealed state to ensure tight tolerances and smooth surface finishes.
- Welding Capacity: We specialize in TIG welding stainless steel for 17-4PH, using matching filler materials and controlled heat input to prevent weld cracking, with post-weld annealing to maintain consistent mechanical properties.
- Heat Treatment Capacity: For 17-4PH, we provide controlled solution annealing and precise age hardening (H900, H1025, H1150 standards) to achieve targeted strength and hardness levels, with strict temperature control to ensure uniform material properties across all parts.
- Testing & Inspection Capacity: We conduct comprehensive quality testing for 17-4PH products, including dimensional precision inspection, hardness testing, tensile strength testing, and passivation of stainless steel to enhance surface corrosion resistance, with full test reports provided for every order.
17-4PH Fabrication & Manufacturing Considerations
To improve processing efficiency, reduce costs and ensure product quality, ATA provides the following professional suggestions for the drawing stage:
- Recommended Corner Radius, Tolerance & Weld Prep: For 17-4PH bending and machining, use a minimum inside corner radius of 2x material thickness to avoid stress concentrations; reserve 2.5-3mm weld grooves and specify post-weld heat treatment to maintain material strength, avoid sharp internal corners to prevent cracking during age hardening.
- Surface Roughness (Ra) Recommendations: For standard 17-4PH mechanical components, recommend Ra 1.6–3.2μm for functional surfaces; for high-precision aerospace and medical parts, target Ra 0.8–1.6μm to ensure smooth operation and corrosion resistance, with passivation post-machining.
- Recommended Tolerance Standards (ISO/ANSI): General 17-4PH fabricated parts follow ISO 2768-m (medium fine tolerance); precision aerospace, medical, and valve components adopt ISO 2768-f (fine tolerance) or ANSI B4.1 precision grade to accommodate minor dimensional shifts post-age hardening.
Following these design optimizations in the drawing stage streamlines 17-4PH fabrication, reduces production waste, minimizes heat treatment distortion, and ensures final components meet all strength, dimensional, and performance requirements for critical applications.
ATA 17-4PH Fabrication Capabilities
Q: What makes ATA a preferred fabricator for 17-4PH precision components?
A: ATA has specialized processing lines and a skilled team with deep expertise in 17-4PH precipitation hardening stainless steel, including custom machining, controlled heat treatment, and strict quality control, ensuring consistent strength, tight tolerances, and compliance with aerospace and industrial standards.
Q: Does ATA offer custom age hardening for 17-4PH parts post-fabrication?
A: Yes, we provide tailored age hardening services for 17-4PH components, including standard H900, H1025, and H1150 heat treatment cycles, to achieve exact hardness and strength requirements specified in your technical drawings, with full hardness testing verification.
Q: What is the tightest tolerance ATA can hold for 17-4PH custom machined parts?
A: For precision 17-4PH components, ATA can hold linear tolerances as tight as ±0.01mm for critical features, using high-precision CNC machining equipment and post-heat treatment finishing to maintain dimensional accuracy after age hardening.
Q: Does 17-4PH require special welding procedures at ATA?
A: Absolutely, 17-4PH requires low-heat TIG welding with matching filler materials and post-weld annealing to prevent intergranular corrosion and weld cracking. Our certified welders follow material-specific protocols to ensure welds match the base material’s strength and corrosion resistance.
Q: What is the minimum order quantity for ATA’s 17-4PH custom fabrication services?
A: We accommodate flexible order volumes for 17-4PH projects, from small prototype batches (10+ pieces) for R&D to large-scale production runs (5,000+ pieces), with competitive pricing and consistent lead times for all order sizes.
Precipitation-Hardening Custom 17-4PH Stainless Steel Products
ATA is your trusted professional manufacturer specializing in high-precision stainless steel fabrication, providing custom one-stop solutions for your projects.