17-4 PH Fasteners Suppliers & Exporters in USA, UAE, Saudi Arabia & Europe
Aurum Overseas is a trusted 17-4 PH Stainless Steel Fasteners Supplier and Exporter, supplying high-strength fastening solutions for aerospace, defense, power generation, marine, petrochemical, and precision engineering applications.
17-4 PH fasteners combine high strength, hardness, corrosion resistance, and toughness through precipitation-hardening heat treatment. The range includes bolts, nuts, washers, screws, stud bolts, threaded rods, and custom fasteners manufactured to international requirements.
Aurum Overseas supplies 17-4 PH fasteners across Europe, North America, the Middle East, and Asia, with material traceability, inspection documentation, custom manufacturing, and worldwide export support.
17-4 PH Fasteners Product Overview
17-4 PH stainless steel is selected where high mechanical strength, corrosion resistance, dimensional stability, and load-bearing capability are required. Its precipitation-hardening characteristics allow higher strength than many conventional stainless steel grades.
These fasteners are commonly used in aerospace components, turbines, pumps, valves, offshore equipment, and high-performance engineering assemblies. For highly corrosive chloride environments, SMO 254 Fasteners can be considered, while SS 904L Fasteners are suited to acidic and chemical processing applications.
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 Fasteners
17-4 PH fasteners provide high tensile strength, yield strength, hardness, and dimensional stability for demanding engineering and high-load applications.
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% |
Chemical Composition of 17-4 PH Fasteners
17-4 PH uses a chromium, nickel, copper, and niobium alloy composition designed to provide high strength and good corrosion resistance.
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 |
Equivalent Grades of 17-4 PH Fasteners
Equivalent designations help international buyers identify the required material across different standards.
| Standard | UNS | Werkstoff Nr. | EN | SIS |
|---|---|---|---|---|
| 17-4 PH SS | S31254 | 1.4547 | X1CrNiMoCuN20-18-7 | 2378 |
Types of 17-4 PH Stainless Steel Fasteners
Aurum Overseas supplies 17-4 PH fasteners in different configurations for aerospace, defense, energy, manufacturing, and engineering projects.
| 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 |
Hex Bolts
Nuts
Screws
Threaded Bars
Washers
Stud Bolts
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 |
Custom 17-4 PH fasteners can also be supplied according to project drawings, dimensions, tolerances, and engineering specifications.
Global Export Markets
Aurum Overseas supplies 17-4 PH stainless steel fasteners to major industrial and engineering markets worldwide.
USA
Canada
Mexico
UAE
Saudi
Arabia
Germany
France
Italy
Spain
Netherlands
Belgium
Poland
Qatar
Oman
Kuwait
Bahrain
Industries Served by 17-4 PH Fasteners
17-4 PH fasteners are selected for applications requiring high strength, hardness, corrosion resistance, and reliable mechanical performance.
| 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 |
17-4 PH Fasteners Testing & Certification
17-4 PH fasteners can be supplied with inspection and certification documents supporting industrial procurement and project requirements.
| Inspection / Certification | Availability |
|---|---|
| EN 10204 3.1 | Available |
| EN 10204 3.2 | Available |
| Mill Test Certificates | Available |
| Heat Number Traceability | Available |
| Third-Party Inspection | Available |
Export Packaging & Logistics
17-4 PH fasteners are packed using export-grade cartons, moisture-resistant wrapping, and fumigated wooden crates to help prevent contamination and transit damage.
Aurum Overseas supports international shipments with packing lists, inspection records, material certificates, traceability documents, and export logistics for EPC contractors and industrial buyers.
Why Choose Aurum Overseas for 17-4 PH Fasteners
Aurum Overseas supplies 17-4 PH fasteners for aerospace, defense, power generation, industrial manufacturing, marine, and precision engineering applications.
Certified quality, custom manufacturing, material traceability, inspection support, and international export logistics help meet the requirements of OEMs, EPC contractors, manufacturers, and engineering companies.
17-4 PH vs Other Stainless Steel Fasteners
17-4 PH fasteners are preferred where high strength and precipitation-hardening performance are more important than maximum corrosion resistance.
For aggressive chloride environments, SMO 254 Fasteners provide a higher level of localized corrosion resistance. For acidic chemical processing, SS 904L Fasteners are better suited to severe sulfuric acid and chloride exposure.
For broader material selection across industrial applications, the Stainless Steel Fasteners Supplier & Exporter range includes grades for aerospace, marine, energy, chemical, and general engineering requirements.
FAQs – 17-4 PH Stainless Steel Fasteners
17-4 PH fasteners are commonly used in aerospace, defense, power generation, industrial machinery, marine engineering, and precision applications requiring high strength and corrosion resistance.
Yes, Aurum Overseas supplies 17-4 PH fasteners across major industrial regions in the USA with inspection documentation and export support.
Yes, we export to UAE, Saudi Arabia, Qatar, Kuwait, Oman, and Bahrain with export packaging, certification, and international logistics support.
We supply bolts, nuts, washers, screws, stud bolts, threaded rods, anchor bolts, socket head cap screws, and custom-manufactured fasteners.
Yes, 17-4 PH fasteners can achieve significantly higher tensile and yield strength through precipitation-hardening treatment while maintaining good corrosion resistance.
Request a Quote for 17-4 PH Fasteners
Looking for reliable 17-4 PH Stainless Steel Fasteners for aerospace, defense, energy, or industrial manufacturing projects? Aurum Overseas provides certified fasteners with custom manufacturing, material traceability, inspection documentation, and global export support.
Contact our team with your required sizes, quantities, standards, and specifications for a detailed quotation.
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