Stainless Steel 317 Fasteners

Stainless Steel 317/317L Fasteners

What industries or applications commonly use Stainless Steel 317 fasteners?

Stainless Steel 317 fasteners find extensive use in various industries and applications that demand excellent corrosion resistance and high strength. One of the primary sectors that commonly employ these fasteners is the chemical processing industry, where they are utilized in equipment such as reactors, heat exchangers, and condensers. The exceptional resistance of Stainless Steel 317 fasteners to a wide range of chemicals and acids, including sulfuric acid, makes them ideal for such demanding environments.

Additionally, the oil and gas industry relies on these fasteners for offshore and onshore installations and in pipelines, refineries, and petrochemical plants. Their ability to withstand chloride-induced stress corrosion cracking and pitting corrosion makes them a reliable choice in harsh and corrosive settings. Moreover, Stainless Steel 317 fasteners are also utilized in the food processing, pharmaceutical, pulp and paper industries, where their resistance to chemicals, heat, and corrosion is vital for ensuring product purity and maintaining hygienic conditions.

What are the main characteristics and advantages of Stainless Steel 317L fasteners?

Stainless Steel 317L fasteners possess several key characteristics and advantages that make them highly desirable in various applications. Firstly, their exceptional corrosion resistance sets them apart. Stainless Steel 317L fasteners exhibit excellent resistance to many corrosive environments, including acidic and chloride-rich environments, making them suitable for chemical processing, petrochemical, and offshore industries. They are particularly resistant to sulfuric acid, making them an ideal choice for applications where exposure to this corrosive substance is common.

Another significant characteristic of Stainless Steel 317L fasteners is their high strength. They offer impressive mechanical properties, including good tensile strength, which ensures their reliability and durability even in demanding conditions. This strength, coupled with their corrosion resistance, makes them suitable for applications that require both robustness and resistance to corrosion, such as heat exchangers, boilers, and condensers.

317 Stainless Steel Fasteners

Furthermore, Stainless Steel 317L fasteners exhibit excellent weldability. They can be easily welded using common welding techniques, which enhances their versatility in various fabrication processes. That makes them convenient to work with during installation and maintenance, reducing time and effort.

Manufacturing Process Of Stainless Steel 317 Fasteners

SS 317 Bolts and Nuts Specification

Standard ASTM F593, F594, A193, A194 / ASME SF593, F594, SA193, SA194
Bolt / Screw Size M3 – M56 | 3/6″ to 2″ | Custom Sizes
Nuts Size M3 – M56 | 3/6″ to 2″ | Custom Sizes
Washers Size M3 – M56 | 3/6″ to 2″ | Custom Sizes
Machine Screws Size M1.6 – M12
Self Tapping Screw Size No.2 – No. 14
Length 3 mm to 200 mm
Threads UNF, BSW, BSF, METRIC, UNC, or as required
Fasteners
  • DIN : DIN 934, DIN 931, DIN 970, DIN 933
  • UTS : UNEF, NPT, UNC, UNS, UNF, NPTF
  • ISO : JIS standards, ISO 4033, ISO 4032,
  • ANSI – American National Standards Institute
  • ASME B18.5
  • ANSI B 28.2.4 1M
  • as per defined in ASME B16.5 standard Stud Bolt length
  • ANSI B 18.2.4 2M
  • as per defined in ASME B18.2.2 Hex nuts
Dimensions DIN 931, 933, 934, 7991, 976, 125, ASME B18.2.1, B18.3
Threads Unless otherwise specified, the threads shall be rolled or cut and tapped horizontally or vertically
Test Certificate as per EN 10204 / 3.1 Manufacturer Test Certificate
Additional Certifications PED 97/23/EC Certified, Merkblatt AD 2000 W2 Certified
Production Process M24-M100: hot forging , M2-M24: Cold Froging, for custom-made connecting element machining and CNC
Types Bolts, Nuts, Stud Bolts, Washers, Threaded Rod, Anchor Fasteners, Eye Bolt, Stud, Cotter Pin, Socket Screw, Fine Fasteners & Spares, Foundation Fasteners, Hexagon Castle Nuts, Hexagon Domed Cap Bolts, Hexagon Thin Nuts etc.

Stainless Steel 317 Fasteners Equivalent Grades

STANDARD WERKSTOFF NR. UNS JIS EN
SS 317 1.4449 S31700 SUS 317 -
SS 317L 1.4438 S31703 SUS 317L X2CrNiMo18-15-4

Chemical Composition of SS 317L Fasteners

Grade C Mn Si P S Cr Mo Ni Fe
SS 317 0.08 max 2.0 max 1.0 max 0.045 max 0.030 max 18.00 - 20.00 3.00 - 4.00 11.00 - 15.00 57.845 min
SS 317L 0.035 max 2.0 max 1.0 max 0.045 max 0.030 max 18.00 - 20.00 3.00 - 4.00 11.00 - 15.00 57.89 min

Mechanical Properties of SS 317 Fasteners

Density Melting Point Tensile Strength Yield Strength (0.2%Offset) Elongation
7.9 g/cm3 1400 °C (2550 °F) Psi – 75000 , MPa – 515 Psi – 30000 , MPa – 205 35 %

Types Of Stainless Steel 317L Fasteners

317 SS Nuts

317 SS Nuts

317L SS Bolts

317L SS Bolts

317L Stainless Steel Screw

317L SS Screw

317 Stainless Steel Washers

317 Stainless Steel Washers

317 Stainless Steel Stud Bolt

317 Stainless Steel Stud Bolt

317L Stainless Steel Anchor Bolts

317L Stainless Steel Anchor Bolts

SS 317L Threaded Rod

SS 317L Threaded Rod

317 Stainless Steel Heavy Hex Bolts

317 Stainless Steel Heavy Hex Bolts

Stainless Steel 317 Hex Nuts

Stainless Steel 317 Hex Nuts

Other Types Of Stainless Steel 317 Fasteners

  • 317 Stainless Steel Machine Screws
  • 1.4449 Fasteners
  • ASTM F593 317 Stainless Steel Washers
  • 317 Stainless Steel Square Nuts
  • 317 Stainless Steel Fasteners
  • Stainless Steel 317 Nuts
  • UNS S31700 Fasteners
  • UNS S31703 Fasteners
  • 317L Stainless Steel Hex Head Bolts
  • Stainless Steel 317 Nut Bolt
  • Stainless Steel 317 Fasteners
  • 317 Stainless Steel U Bolts
  • UNS S31700 Fasteners
  • Stainless Steel 317 Bolts
  • 317 Stainless Steel Bolts and Nuts
  • 317 Stainless Steel Heavy Hex Nuts
  • 317 Stainless Steel Wing Nuts
  • ASTM F594 SS 317 Coupling Nuts
  • Stainless Steel 317 Industrial Fasteners
  • 1.4438 Nuts And Bolts
  • 317 Stainless Steel Double Ended Studs
  • SS 317L Self Locking Nuts
  • SS 317 Ogee Washer
  • Stainless Steel 317L Allen Cap Screw
  • Stainless Steel 317 U Bolts
  • 317L Stainless Steel Hex Bolt
  • SS 317 Spring Washer
  • 317L Stainless Steel Plain Washer
  • 317 Stainless Steel Screw
  • Stainless Steel 317 Flat Washer

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UNS S31700 Fasteners Price, Dimension, Weight

SS 317 Fasteners Industrial Application

Oil & Gas Industry

Oil & Gas Industry

Chemical Industry

Chemical Industry

Power Generation Industry

Power Generation Industry

Construction Industry

Construction Industry

Shipbuilding Industry

Shipbuilding Industry

Automotive Industry

Automotive Industry

Food Industry

Food Industry

Textile Industry

Textile Industry

Export & Supply Destination of SS 317L Fasteners

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