Stainless Steel 17-4 PH (precipitation-hardening) eye bolts as per DIN 580 are specialized fasteners designed for a wide range of applications that require strength, corrosion resistance, and durability. Let's break down the features, applications, and heat treatment of these eye bolts:


  • Material: Stainless Steel 17-4 PH is a high-strength, corrosion-resistant alloy with a combination of iron, chromium, nickel, and copper. It is known for its excellent mechanical properties and resistance to various corrosive environments.
  • Corrosion Resistance: 17-4 PH stainless steel provides good resistance to both general corrosion and stress corrosion cracking, making it suitable for applications in marine, chemical, and industrial environments.
  • Strength: This alloy offers high tensile and yield strength, which is vital for applications where heavy loads or high stress are involved.
  • Precipitation Hardening: The "PH" in 17-4 PH stands for precipitation-hardening, meaning this stainless steel can be strengthened through heat treatment to achieve specific mechanical properties.
  • Eye Bolt Design: DIN 580 is a standard that specifies the design and dimensions of eye bolts. Eye bolts typically have a loop or eye at one end for attaching hooks, chains, or other fasteners. They are commonly used for lifting and rigging applications.

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Stainless Steel 17-4PH Eye Bolts
  • UNS


  • WNR



    ASTM F593, A193 / ASME SF593, A193


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Stainless Steel 17-4 PH eye bolts are used in various industrial applications where strength, corrosion resistance, and reliability are essential. Some common applications include:

  • Lifting and Rigging: Eye bolts are frequently used for lifting heavy loads, such as machinery, equipment, and structural components.
  • Marine and Offshore: The corrosion resistance of 17-4 PH stainless steel makes it suitable for marine and offshore applications, such as boat rigging and dock hardware.
  • Aerospace: The aerospace industry uses 17-4 PH eye bolts for applications like securing aircraft components and as attachment points for instrumentation.
  • Chemical and Petrochemical: These eye bolts are employed in environments where exposure to corrosive chemicals is a concern.
  • Heavy Machinery: They are used in the construction and heavy equipment industries for securing loads and equipment.

SS 17-4PH Machine Eye Bolt, Stainless Steel 17-4PH Lifting Eye Bolts, UNS S17400 Eye Bolts, Stainless Steel 17-4PH Welded Eye Bolt, SS 17-4PH Bent Eye Bolts, SS 17-4PH Eye Bolt Manufacturers in India.

fevicon-logo SS 17-4PH Eye Bolts Specification

SpecificationsASTM F593, A193 / ASME SA193
StandardDIN, ISO, JIS, GB, IS, BS, ASTM and all International Standards
DiameterM3 to M72
ThreadsMETRIC, BSW, BSF, UNC, UNF or as required
DIN Standard B.S. DIN 933, DIN 931, DIN 934, DIN 912, DIN 603, DIN 6923, DIN 970, DIN 7981, DIN 7982, DIN916, DIN 913, DIN 7985
Dimensions ASME B18.6.3 **Exception: screws 6 inches and shorter are fully threaded.
ISOISO 4032, ISO 4033, ISO 4017, ISO7380 JIS standards
Surface treatmentPassivation, Polish, Anodizing, Sand blasting, Black oxide coating, Heat-disposing, Rust preventive oil, Hot dip galvanized Eye Bolts, Electroplating (color, blue, white, black zinc, Ni, Cr, tin, copper, silver).

Heat Treatment:

Stainless Steel 17-4 PH can be heat-treated to achieve specific mechanical properties. The heat treatment typically involves two steps:

  • Solution Heat Treatment: The alloy is heated to a high temperature to dissolve the copper precipitates and form a single-phase austenitic structure. This step helps improve the machinability of the material.
  • Precipitation Hardening: After solution heat treatment, the alloy is rapidly cooled and then aged at a lower temperature to precipitate the copper and other strengthening phases. This step significantly increases the material's strength.

The specific heat treatment process, including time and temperature, is critical to achieving the desired mechanical properties. It's essential to follow manufacturer recommendations and industry standards to ensure the eye bolts meet the required performance specifications for your specific application.

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fevicon-logo Equivalent Grades Of Stainless Steel 17-4PH Eye Bolts

SS 17-4PH 1.4542 S17400 SUS 630 Z6CNU17-04 X5CrNiCuNb16.4

fevicon-logo Chemical Composition of Stainless Steel 17-4PH Eye Bolts

Grade C Mn Si P S Cr Mo
SS 17-4PH 0.07 max 1.0 max 1.0 max .07 max .03 max 17.5 - 15.0 .05

fevicon-logo Mechanical Properties of SS 17-4PH Eye Bolts

Ultimate Tensile Strength, psi Yield Strength, psi Elongation Rockwell Hardness
160,000 145,000 5% C35

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fevicon-logo Types of Stainless Steel 17-4PH Eye Bolts

Eye Bolt

SS 17-4PH Eye Bolt

Bent Eye Bolts

SS 17-4PH Bent Eye Bolts

Eye Tap Bolt

SS 17-4PH Eye Tap Bolt

Lifting Eye Bolt

SS 17-4PH Lifting Eye Bolt

Half Threaded Eye Bolt

SS 17-4PH Half Threaded Eye Bolt

Fully Threaded Eye Bolt

17-4PH SS Fully Threaded Eye Bolt

Eye Machine Bolt

SS 17-4PH Eye Machine Bolt

eye Shoulder Bolt

SS 17-4PH Eye Shoulder Bolt

Eye Bolt Manufacturers In India

  • Hardness testing to ISO 6508-1

  • Nut proof load testing to ISO 898-2

  • Suitability for preloading to EN 14399-2

  • Calibrated gauges and tools

fevicon-logo Other Types Of Stainless Steel 17-4PH Eye Bolts

SS 17-4PH Nut Eye Bolts Supplier in Mumbai 17-4PH SS Lifting Eye Bolts Manufacturer
17-4PH Stainless Steel Eye bolts Manufacturer in India Welded Stainless Steel 17-4PH Eye Bolts
17-4PH Stainless Steel Screw Eye Bolts 17-4PH Stainless Steel Lifting Eye Bolt
17-4PH SS Threaded Eye Bolt Manufacturer in Mumbai ASTM A193 Stainless Steel 17-4PH Bent Eye Bolts
17-4PH Stainless Steel Eye Bolts Supplier in India Stainless Steel 17-4PH Eye Bolts Price List India
Stainless Steel 17-4PH Machinery Eye Bolts 17-4PH Stainless Steel Eye Lag Bolts
Stainless Steel 17-4PH Machinery Eye Bolts 17-4PH Stainless Steel Eye Bolts Manufacturer in Mumbai

fevicon-logo Stainless Steel 17-4PH Eye Bolts Application Industries

Aerospace Industry
Nuclear Industry
MEdical Industry
Marine Industry
Mining Industry
Automotive Industry
Construction Industry
Manufacturing Industry
Nut Bolt