High Strength Fastening

17-4 PH Stainless Steel Fasteners Manufacturer in India

17-4 PH Stainless Steel Fasteners including bolts, nuts, stud bolts, washers, and anchor bolts for aerospace, power generation, petrochemical, marine engineering, and heavy machinery applications.

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17-4 PH Stainless Steel Fasteners

17-4 PH Stainless Steel Fasteners Manufacturer & Supplier in India

17-4 PH Stainless Steel Fasteners are high-strength precipitation-hardening stainless steel fasteners widely used in applications requiring excellent mechanical properties, corrosion resistance, and dimensional stability. Combining high tensile strength with good corrosion resistance, these fasteners are suitable for demanding industrial environments where conventional stainless steel grades may not provide sufficient strength. Gururaj Infradesigns is a trusted 17-4 PH Stainless Steel Fasteners Manufacturer in India, supplying reliable fastening solutions for aerospace, petrochemical, marine, and engineering applications.

Our product range includes hex bolts, stud bolts, anchor bolts, U bolts, hex nuts, washers, and socket head bolts manufactured to meet stringent industrial specifications and performance requirements.

17-4 PH Stainless Steel Fasteners Including Hex Bolts Stud Bolts Nuts Washers and Anchor Bolts

About 17-4 PH Stainless Steel Fasteners

17-4 PH Stainless Steel is a chromium-nickel-copper precipitation-hardening stainless steel known for its exceptional combination of strength, hardness, corrosion resistance, and toughness. Through heat treatment, the material can achieve significantly higher mechanical properties compared to conventional austenitic stainless steel grades.

As a specialized grade within the broader range of Stainless Steel Fasteners, 17-4 PH Fasteners are commonly selected for applications involving high loads, cyclic stress, and demanding service conditions where both strength and corrosion resistance are essential.

17-4 PH Stainless Steel Fasteners Specifications

Property Details
Product 17-4 PH Stainless Steel Fasteners
Grade ASTM A564 Type 630 / UNS S17400
Product Types Hex Bolts, Stud Bolts, Anchor Bolts, U Bolts, Hex Nuts, Washers, Socket Head Bolts
Standards ASTM, ASME, DIN, ISO
Sizes M3 to M100 and Custom Sizes
Thread Type Metric, UNC, UNF, BSW
Forms Bolts, Nuts, Studs, Washers
Heat Treatment H900, H1025, H1150 and Other Conditions
Certification Mill Test Certificates Available

Types of 17-4 PH Stainless Steel Fasteners We Supply

17-4 PH Stainless Steel Bolts

We manufacture and supply hex bolts, socket head bolts, and U bolts in 17-4 PH stainless steel for applications requiring exceptional strength and wear resistance. These fasteners are widely used in aerospace, marine, petrochemical, and power generation industries.

17-4 PH Stainless Steel Nuts

Our 17-4 PH hex nuts are designed for high-strength fastening applications where reliability and durability are essential. They offer excellent mechanical performance while maintaining good corrosion resistance in industrial environments.

17-4 PH Stainless Steel Stud Bolts

17-4 PH stud bolts are extensively used in valves, pumps, pressure vessels, and critical industrial systems. Their combination of high strength and corrosion resistance makes them suitable for demanding operating conditions.

17-4 PH Stainless Steel Anchor Bolts & Washers

We supply anchor bolts and washers for heavy-duty structural and equipment mounting applications. These components help ensure secure load transfer, vibration resistance, and dependable long-term fastening performance in industrial installations.

Advantages of 17-4 PH Stainless Steel Fasteners

Exceptional Mechanical Strength

17-4 PH Stainless Steel Fasteners offer significantly higher strength compared to standard stainless steel grades. Their precipitation-hardening characteristics make them suitable for critical fastening applications subjected to heavy loads and stress.

Good Corrosion Resistance

These fasteners provide reliable corrosion resistance in atmospheric, marine, and industrial environments while maintaining excellent mechanical performance.

Excellent Hardness and Wear Resistance

The heat-treated structure improves hardness and wear resistance, helping fasteners maintain performance in applications involving vibration, friction, and repeated loading.

Dimensional Stability

17-4 PH stainless steel exhibits minimal distortion during heat treatment, making it suitable for precision components and critical fastening systems.

High Strength-to-Weight Ratio

The material offers excellent mechanical properties without requiring excessive component size, making it beneficial for weight-sensitive engineering applications.

Chemical Composition

Element Percentage (%)
Chromium 15.0 – 17.5
Nickel 3.0 – 5.0
Copper 3.0 – 5.0
Manganese Max 1.0
Silicon Max 1.0
Carbon Max 0.07
Phosphorus Max 0.04
Sulfur Max 0.03
Niobium + Tantalum 0.15 – 0.45

Mechanical Properties

Property Typical Value
Tensile Strength Up to 1310 MPa
Yield Strength Up to 1170 MPa
Elongation 10 – 15%
Hardness Up to 44 HRC
Density 7.75 g/cm³

Common Applications of 17-4 PH Stainless Steel Fasteners

Aerospace Components

17-4 PH Stainless Steel Fasteners are widely used in aerospace structures, aircraft components, and support systems where high strength, low weight, and reliable performance are critical.

Petrochemical & Process Industries

These fasteners are utilized in valves, pumps, pressure vessels, and processing equipment that operate under demanding mechanical and environmental conditions.

Marine Engineering

The combination of strength and corrosion resistance makes them suitable for marine equipment, offshore systems, and coastal infrastructure exposed to moisture and harsh environments.

Power Generation Equipment

Power plants and energy facilities use 17-4 PH fasteners in turbines, generators, and critical assemblies requiring high mechanical strength and reliability.

Industrial Machinery

Heavy engineering and manufacturing industries utilize these fasteners in equipment and machinery exposed to dynamic loads, vibration, and repetitive stress.

Comparing 17-4 PH Stainless Steel with Other Fastener Grades

Grade Key Characteristics Typical Applications
SS 304 & 304L General corrosion resistance Fabrication, Food Processing
SS 316 & 316L Enhanced chloride resistance Marine, Chemical Processing
17-4 PH High strength and hardness Aerospace, Power Generation

17-4 PH Stainless Steel Fasteners are primarily selected for applications requiring significantly higher strength and hardness than conventional stainless steel grades. While Stainless Steel 304 Fasteners are commonly used for general industrial applications and Stainless Steel 316 Fasteners for enhanced corrosion resistance, 17-4 PH offers a unique balance of mechanical strength and corrosion resistance for critical engineering applications.

Typical Industries Specifying 17-4 PH Stainless Steel Fasteners

Industry Reason for Selection
Aerospace High strength-to-weight ratio
Power Generation Mechanical reliability
Petrochemical Strength and corrosion resistance
Marine Engineering Durability in harsh environments
Heavy Machinery Resistance to dynamic loading

17-4 PH Stainless Steel Fasteners are widely specified where conventional stainless steel grades may not provide sufficient mechanical strength. Their combination of hardness, toughness, and corrosion resistance makes them suitable for critical industrial applications.

Supporting Industrial Fastening Requirements

Gururaj Infradesigns supplies 17-4 PH Stainless Steel Fasteners in various sizes, thread forms, and specifications to support demanding industrial fastening requirements. Our products are used across aerospace, power generation, marine engineering, petrochemical, and heavy manufacturing sectors where performance and reliability are essential.

As a trusted supplier, we support EPC contractors, OEM manufacturers, engineering companies, and industrial buyers with dependable fastening solutions backed by technical support, consistent quality, and timely delivery.

Our Commitment to Quality

Quality remains an important part of our manufacturing and supply process. All 17-4 PH Stainless Steel Fasteners undergo inspection for dimensional accuracy, thread quality, material integrity, and compliance with applicable standards to ensure reliable performance in service.

As an ISO Certified Company, we are committed to maintaining consistent quality standards and supplying dependable fastening solutions for industrial and engineering applications.

FAQs

17-4 PH is a precipitation-hardening stainless steel grade known for its high strength, hardness, corrosion resistance, and excellent mechanical properties after heat treatment.

They are used where high strength, wear resistance, and corrosion resistance are required simultaneously, particularly in critical engineering applications.

Yes. They provide good corrosion resistance in many industrial and atmospheric environments while maintaining superior mechanical properties.

Yes, one of the key benefits of 17-4 PH stainless steel is its ability to be precipitation hardened through heat treatment. Different heat treatment conditions allow the material to achieve specific strength, hardness, and toughness requirements.

17-4 PH Stainless Steel Fasteners offer significantly higher tensile strength, yield strength, and hardness than SS 316 Fasteners. While SS 316 is often preferred for maximum corrosion resistance in marine environments, 17-4 PH is selected when both strength and corrosion resistance are required.

Need Technical Assistance?

Selecting the correct fastener material depends on factors such as mechanical load requirements, operating conditions, corrosion exposure, and service environment. Choosing the right grade helps improve equipment reliability, safety, and long-term performance. Our team can assist in selecting the appropriate fastener grade, size, thread type, and specification based on your project requirements. We support EPC contractors, OEM manufacturers, engineering firms, and industrial buyers with dependable fastening solutions for critical applications.

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