High Strength Fastening

15-5 PH Stainless Steel Fasteners Manufacturer in India

15-5 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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15-5 PH Stainless Steel Fasteners

15-5 PH Stainless Steel Fasteners Manufacturer & Supplier in India

15-5 PH Stainless Steel Fasteners are high-strength precipitation-hardening stainless steel fasteners developed for applications requiring superior mechanical properties, toughness, and corrosion resistance. Known for their excellent combination of strength and reliability, these fasteners are widely used in aerospace, power generation, petrochemical, and engineering industries where performance under demanding conditions is essential. Gururaj Infradesigns is a trusted 15-5 PH Stainless Steel Fasteners Manufacturer in India, supplying precision-engineered fastening solutions for critical industrial applications.

Our product range includes hex bolts, stud bolts, anchor bolts, U bolts, hex nuts, washers, and socket head bolts manufactured in accordance with international quality standards and industrial specifications.

15-5 PH Stainless Steel Fasteners Including Hex Bolts Stud Bolts Nuts Washers and Anchor Bolts

About 15-5 PH Stainless Steel Fasteners

15-5 PH Stainless Steel is a precipitation-hardening martensitic stainless steel grade that offers improved toughness and transverse mechanical properties compared to 17-4 PH stainless steel. The material achieves excellent strength through heat treatment while maintaining good corrosion resistance in a wide range of industrial environments.

As a specialized grade within the broader range of Stainless Steel Fasteners, 15-5 PH Fasteners are commonly specified for high-performance applications where strength, durability, and dimensional stability are critical factors.

15-5 PH Stainless Steel Fasteners Specifications

Property Details
Product 15-5 PH Stainless Steel Fasteners
Grade ASTM A564 Type XM-12 / UNS S15500
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, H1075, H1150
Certification Mill Test Certificates Available

Types of 15-5 PH Stainless Steel Fasteners We Supply

15-5 PH Stainless Steel Bolts

Our range includes hex bolts, socket head bolts, and U bolts manufactured for applications requiring high strength, dimensional stability, and reliable performance. These bolts are widely used in aerospace, power generation, and heavy engineering assemblies where mechanical integrity is critical.

15-5 PH Stainless Steel Nuts

We supply precision-engineered hex nuts designed to provide secure fastening under demanding operating conditions. Their excellent strength and corrosion resistance make them suitable for critical equipment, structural assemblies, and industrial machinery.

15-5 PH Stainless Steel Stud Bolts

15-5 PH stud bolts are commonly used in pressure-containing equipment, flanged connections, and heavy-duty industrial applications. Their high tensile strength and toughness help maintain joint integrity in demanding service environments.

15-5 PH Stainless Steel Anchor Bolts & Washers

Our anchor bolts and washers are manufactured to support heavy equipment installations, structural foundations, and industrial infrastructure projects. They provide reliable load distribution, secure fastening, and long-term performance in challenging operating conditions.

Advantages of 15-5 PH Stainless Steel Fasteners

High Mechanical Strength

15-5 PH Stainless Steel Fasteners provide outstanding tensile and yield strength, making them suitable for critical fastening applications subjected to heavy loads and demanding operating conditions.

Improved Toughness

Compared to many precipitation-hardening stainless steels, 15-5 PH offers excellent toughness and impact resistance, helping improve reliability in dynamic service environments.

Good Corrosion Resistance

The material provides dependable resistance to atmospheric corrosion, industrial environments, and mild chemical exposure while maintaining excellent mechanical performance.

Excellent Dimensional Stability

Heat treatment can be performed with minimal distortion, allowing the fasteners to maintain dimensional accuracy and consistent performance in precision assemblies.

Reliable Long-Term Performance

The combination of strength, toughness, and corrosion resistance contributes to extended service life and reduced maintenance requirements.

Chemical Composition

Element Percentage (%)
Chromium 14.0 – 15.5
Nickel 3.5 – 5.5
Copper 2.5 – 4.5
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 7.78 g/cm³

Common Applications of 15-5 PH Stainless Steel Fasteners

Aerospace Components

15-5 PH Stainless Steel Fasteners are extensively used in aircraft structures, aerospace assemblies, landing systems, and critical components requiring high strength and reliability under demanding operating conditions.

Power Generation Equipment

Power plants utilize these fasteners in turbines, generators, compressors, and structural systems where mechanical strength and dimensional stability are essential.

Petrochemical & Process Industries

The material is widely used in valves, pumps, pressure-containing equipment, and industrial processing systems exposed to challenging operating environments.

Marine Engineering

Good corrosion resistance combined with excellent mechanical properties makes these fasteners suitable for marine hardware, offshore equipment, and coastal installations.

Industrial Machinery

Heavy engineering equipment and manufacturing machinery frequently utilize 15-5 PH fasteners in applications subjected to vibration, cyclic loading, and repetitive stress.

Comparing 15-5 PH and 17-4 PH Stainless Steel Fasteners

Property 15-5 PH Stainless Steel 17-4 PH Stainless Steel
Grade UNS S15500 UNS S17400
Strength Excellent Excellent
Toughness Higher Good
Corrosion Resistance Good Good
Dimensional Stability Excellent Excellent
Heat Treatability Yes Yes
Typical Applications Aerospace, Power Generation Aerospace, Petrochemical, Marine

Both 15-5 PH and 17-4 PH Stainless Steel Fasteners offer an excellent combination of strength, corrosion resistance, and heat-treatable properties. While 17-4 PH Stainless Steel Fasteners are one of the most widely used precipitation-hardening stainless steel grades, 15-5 PH is often selected for applications requiring improved toughness, better transverse mechanical properties, and enhanced reliability in critical aerospace and engineering components.

Typical Industries Specifying 15-5 PH Stainless Steel Fasteners

Industry Reason for Selection
Aerospace High strength and toughness
Power Generation Mechanical reliability
Petrochemical Strength and durability
Marine Engineering Corrosion resistance
Heavy Machinery Resistance to dynamic loads

15-5 PH Stainless Steel Fasteners are commonly specified for critical applications where high mechanical strength, dimensional stability, and long-term reliability are required. Their balanced combination of toughness and corrosion resistance makes them suitable for demanding industrial environments.

Supporting Industrial Fastening Requirements

Gururaj Infradesigns supplies 15-5 PH Stainless Steel Fasteners in multiple sizes, thread forms, and specifications to support industrial fastening requirements across aerospace, power generation, petrochemical, marine, and engineering sectors. Our products are manufactured to deliver consistent quality, dimensional accuracy, and dependable performance.

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

Our Commitment to Quality

Quality remains an important part of our manufacturing and supply process. All 15-5 PH Stainless Steel Fasteners undergo inspection for dimensional accuracy, thread quality, material integrity, and compliance with applicable standards before dispatch.

As an ISO Certified Company, we are committed to supplying dependable fastening solutions that meet the expectations of industrial, engineering, and infrastructure projects worldwide.

FAQs

15-5 PH is a precipitation-hardening stainless steel grade that offers high strength, excellent toughness, and good corrosion resistance. It is commonly used in critical engineering applications where reliable mechanical performance is essential.

These fasteners are selected for applications requiring superior strength, toughness, and dimensional stability. They perform well in demanding environments where standard stainless steel grades may not provide adequate mechanical properties.

Both grades offer excellent strength and corrosion resistance, but 15-5 PH generally provides improved toughness and better transverse mechanical properties. This makes it suitable for highly demanding aerospace and engineering applications.

Aerospace, power generation, petrochemical processing, marine engineering, and heavy manufacturing industries commonly use these fasteners due to their excellent combination of strength and reliability.

Yes, the material can be precipitation hardened through heat treatment to achieve different strength and hardness levels. This allows manufacturers to tailor the properties to specific application requirements.

15-5 PH Stainless Steel Fasteners are available as hex bolts, stud bolts, anchor bolts, U bolts, hex nuts, washers, and socket head bolts in a wide range of sizes and specifications.

Need Technical Assistance?

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

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