17-4 PH Stainless Steel Fasteners – Global Suppliers & Exporters
Aurum Overseas is a leading 17-4 PH Stainless Steel Fasteners Supplier and Exporter, offering premium-quality fastening solutions for industries requiring high strength, excellent corrosion resistance, and outstanding mechanical performance. Manufactured from precipitation-hardening stainless steel, 17-4 PH Stainless Steel Fasteners combine the corrosion resistance of stainless steel with significantly higher strength than conventional austenitic grades.
Our range includes 17-4 PH bolts, nuts, washers, screws, stud bolts, threaded rods, and custom fasteners supplied in accordance with ASTM, ASME, DIN, BS, and international specifications. These fasteners are widely used in aerospace, defense, petrochemical, power generation, marine, and precision engineering applications where reliability is critical.
As a trusted 17-4 PH Stainless Steel Fasteners Exporter, Aurum Overseas supplies customers across Europe, North America, the Middle East, and Asia with complete material traceability, inspection documentation, and worldwide logistics support.
17-4 PH Stainless Steel Fasteners – Product Overview
17-4 PH Stainless Steel Fasteners are manufactured from a precipitation-hardening martensitic stainless steel known for its excellent combination of strength, hardness, corrosion resistance, and toughness. The grade achieves high mechanical properties through heat treatment while maintaining good resistance to atmospheric and industrial corrosion.
Due to their superior strength-to-weight ratio, 17-4 PH Fasteners are commonly used in aerospace components, turbines, pump shafts, valves, offshore equipment, and high-performance engineering assemblies. These fasteners provide excellent dimensional stability and are suitable for applications requiring both corrosion resistance and high load-bearing capability.
For applications requiring superior corrosion resistance in chloride-rich environments, buyers may also consider SMO 254 Fasteners , while SS 904L Fasteners are frequently selected for acidic processing and chemical handling systems.
17-4 PH Stainless Steel Fasteners Specifications
| Specification | Details |
|---|---|
| Material Grade | SS 17-4 PH Fasteners |
| UNS Number | S31254 |
| Werkstoff Number | 1.4547 |
| ASTM Standards | ASTM A479, ASTM A194 |
| ASME Standards | ASME SA479, SA194 |
| International Standards | DIN, ASTM, BS and International Standards |
| Product Forms | Nuts, Bolts, Washers, Screws |
| Thread Types | Metric, UNC, UNF, BSW |
| Size Range | 3/8" to 2", M3 to M56 |
| Length Range | 3 mm to 2000 mm |
| Custom Sizes | Available |
| Surface Finish | Plain, Passivated, Polished |
| Certifications | EN 10204 3.1 / 3.2 |
| Supply Capability | Export Worldwide |
Mechanical Properties of 17-4 PH Stainless Steel Fasteners
The high strength and hardness of 17-4 PH Stainless Steel Fasteners make them suitable for aerospace, defense, and precision engineering applications where reliable mechanical performance is essential.
Physical Properties
| Property | Value |
|---|---|
| Density | 7.75 g/cm³ |
| Melting Point | 1404 – 1440°C |
Strength Properties
| Property | Value |
|---|---|
| Tensile Strength | 160,000 psi |
| Yield Strength (0.2% Offset) | 145,000 psi |
| Elongation | 5% |
These mechanical properties enable 17-4 PH Fasteners to perform effectively in high-load applications requiring excellent strength, dimensional stability, and long service life.
Chemical Composition of 17-4 PH Stainless Steel Fasteners
The chemical composition of 17-4 PH Stainless Steel Fasteners is carefully controlled to achieve an optimal balance of strength, hardness, corrosion resistance, and precipitation-hardening characteristics.
Primary Alloying Elements
| Element | Composition |
|---|---|
| Chromium (Cr) | 15.0 – 17.5 |
| Nickel (Ni) | 3.0 – 5.0 |
| Copper (Cu) | 3.0 – 5.0 |
| Niobium (Nb) | 0.15 – 0.45 |
Additional Elements
| Element | Composition |
|---|---|
| Carbon (C) | 0.070 Max |
| Manganese (Mn) | 1.0 Max |
| Silicon (Si) | 1.0 Max |
| Phosphorus (P) | 0.040 Max |
| Sulfur (S) | 0.030 Max |
The combination of chromium, nickel, copper, and niobium helps 17-4 PH Fasteners achieve high mechanical strength while maintaining good corrosion resistance in industrial and engineering environments.
Equivalent Grades of 17-4 PH Stainless Steel Fasteners
Understanding equivalent grades helps engineers, procurement teams, and international buyers identify compatible materials across different global standards and specifications.
| Standard | UNS | Werkstoff Nr. | AFNOR | EN | JIS | SIS | GOST |
|---|---|---|---|---|---|---|---|
| 17-4 PH SS | S31254 | 1.4547 | Z1 CNDU 20.18.06Az | X1CrNiMoCuN20-18-7 | – | 2378 | – |
These equivalent standards facilitate international sourcing and ensure consistency in material performance for engineering projects worldwide.
Types of 17-4 PH Stainless Steel Fasteners Available for Industrial Export Projects
17-4 PH Stainless Steel Fasteners are widely used in aerospace, defense, energy, and industrial manufacturing applications requiring exceptional strength and corrosion resistance. Aurum Overseas supplies a complete range of fastening solutions for domestic and export projects.
17-4 PH Stainless Steel Fasteners Types
| Fastener Type | Industrial Application |
|---|---|
| Hex Bolts | Structural and heavy-duty assemblies |
| Heavy Hex Bolts | Aerospace and defense equipment |
| Stud Bolts | Flange and pressure vessel connections |
| Socket Head Cap Screws | Precision engineering machinery |
| Anchor Bolts | Infrastructure and industrial projects |
| Threaded Rods | Equipment supports and assemblies |
| Hex Nuts | Heavy engineering applications |
| Lock Nuts | Vibration-resistant systems |
| Flat Washers | Load distribution applications |
| Spring Washers | Dynamic and cyclic loading systems |
| Machine Screws | Equipment assembly and fabrication |
| Custom Fasteners | Project-specific requirements |
Thread Standards and Size Range
| Parameter | Range |
|---|---|
| Metric Sizes | M3 to M56 |
| Imperial Sizes | 3/8" to 2"+ |
| Thread Types | UNC, UNF, Metric, BSW |
| Length Range | Up to 2000 mm |
| Manufacturing | Rolled and Cut Threads |
Aurum Overseas can also supply custom-manufactured 17-4 PH Stainless Steel Fasteners according to project drawings, industry standards, and engineering specifications.
17-4 PH Stainless Steel Fasteners Suppliers in Europe for Aerospace & Precision Engineering Applications
Aurum Overseas supplies 17-4 PH Stainless Steel Fasteners to industrial customers across Germany, France, Italy, Spain, Netherlands, Belgium, Poland, Sweden, and other European markets. These fasteners are widely used in aerospace components, precision engineering equipment, industrial automation systems, and advanced manufacturing facilities requiring high strength and dimensional stability.
With excellent mechanical performance and corrosion resistance, 17-4 PH Fasteners are preferred for critical engineering applications where reliability, durability, and consistent performance are essential. We support European buyers with complete material certification, inspection documentation, and dependable export logistics.
17-4 PH Stainless Steel Fasteners Exporters in USA for Defense & Industrial Manufacturing Applications
As a trusted 17-4 PH Stainless Steel Fasteners Exporter, Aurum Overseas supplies customers across Houston, Chicago, New York, Los Angeles, Dallas, Detroit, and other major manufacturing hubs in the United States. Our fasteners are used in defense equipment, aerospace assemblies, industrial machinery, energy systems, and precision-engineered components.
The combination of high tensile strength, hardness, and corrosion resistance makes 17-4 PH Fasteners a preferred choice for demanding industrial applications. We provide custom sizes, project-specific quantities, and complete quality documentation to support procurement teams and industrial manufacturers throughout the USA.
17-4 PH Stainless Steel Fasteners Suppliers in Gulf Countries for Energy & Infrastructure Projects
Aurum Overseas exports 17-4 PH Stainless Steel Fasteners to UAE, Saudi Arabia, Qatar, Kuwait, Oman, and Bahrain for energy, infrastructure, industrial manufacturing, and engineering projects. These fasteners are widely used in power generation facilities, industrial plants, oil & gas installations, and large-scale construction developments requiring dependable fastening performance.
Our strong export capabilities, technical expertise, and commitment to quality enable us to support contractors, EPC companies, and industrial procurement teams across the Gulf region. We provide certified 17-4 PH Fasteners with complete traceability, export documentation, and timely worldwide delivery.
Why Industrial Buyers Choose Aurum Overseas for 17-4 PH Stainless Steel Fasteners
Aurum Overseas supports industrial buyers across Europe, USA, and Gulf countries with high-performance 17-4 PH Stainless Steel Fasteners engineered for aerospace, defense, power generation, industrial manufacturing, and precision engineering applications. Our fasteners are supplied in accordance with international standards and are manufactured to deliver exceptional strength, reliability, and long service life.
With extensive experience in international exports, material traceability, inspection documentation, and project logistics, we provide dependable fastening solutions for OEMs, EPC contractors, industrial manufacturers, and engineering companies worldwide. Our commitment to quality, technical support, and timely delivery makes us a trusted Fasteners Supplier & Exporter for critical industrial projects.
Industries We Serve
Industrial buyers prefer 17-4 PH Stainless Steel Fasteners for applications requiring superior strength and resistance to wear, fatigue, and environmental exposure. Their versatility makes them suitable for a wide range of engineering, manufacturing, and infrastructure projects worldwide.
| Industry Sector | Typical Applications |
|---|---|
| Aerospace | Aircraft components and structural assemblies |
| Defense | Military equipment and precision systems |
| Power Generation | Turbines, generators, and energy systems |
| Industrial Manufacturing | Machinery and production equipment |
| Marine Engineering | Corrosion-resistant fastening systems |
| Oil & Gas | Processing and support equipment |
| Petrochemical | Plant equipment and industrial systems |
| Infrastructure | Structural and engineering projects |
Stainless Steel Fasteners Grades Comparison for High Strength Engineering Applications
While 17-4 PH Stainless Steel Fasteners are preferred for applications requiring exceptional strength and precipitation-hardening characteristics, material selection depends on operating conditions, corrosion exposure, and engineering requirements.
For highly corrosive chloride environments, SMO 254 Fasteners are often selected due to their superior resistance to pitting and crevice corrosion. For acidic processing systems and chemical handling applications, SS 904L Fasteners provide excellent corrosion resistance and long-term reliability.
For a complete range of industrial fastening solutions, these products are supported by the Stainless Steel Fasteners Supplier & Exporter division, offering material options for aerospace, marine, energy, and engineering applications.
FAQs
1. What are 17-4 PH Stainless Steel Fasteners used for?
17-4 PH Stainless Steel Fasteners are commonly used in aerospace, defense, power generation, industrial
machinery, and engineering applications requiring high strength, corrosion resistance, and reliable
mechanical performance.
2. Do you supply 17-4 PH Stainless Steel Fasteners in the USA?
Yes, Aurum Overseas supplies 17-4 PH Stainless Steel Fasteners across major industrial regions in the
USA, including Houston, Chicago, New York, and Los Angeles with complete inspection documentation.
3. Do you export 17-4 PH Stainless Steel Fasteners to Gulf countries?
Yes, we export to UAE, Saudi Arabia, Qatar, Kuwait, Oman, and Bahrain with export packaging, inspection
certificates, and international logistics support.
4. What types of 17-4 PH Fasteners do you offer?
We supply bolts, nuts, washers, screws, stud bolts, threaded rods, anchor bolts, socket head cap screws,
and custom-manufactured fastening solutions.
5. Are 17-4 PH Fasteners stronger than standard stainless steel fasteners?
Yes, 17-4 PH Fasteners provide significantly higher tensile and yield strength than conventional
stainless steel grades while maintaining excellent corrosion resistance.
Request a Quote
Looking for a reliable 17-4 PH Stainless Steel Fasteners Supplier for aerospace, defense, energy, or industrial manufacturing projects? Aurum Overseas supplies certified fastening solutions manufactured to international standards with complete material traceability and inspection documentation.
Whether you require 17-4 PH bolts, nuts, washers, screws, threaded rods, or custom-engineered fasteners, our team can assist with technical specifications, material selection, export documentation, and global logistics support. Share your project requirements today to receive a competitive quotation and expert assistance for your fastening needs.
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