Stainless Steel 347 Fasteners

Stainless Steel 347 Fasteners

What are Stainless Steel 347 and 347H Fasteners, and what are their key features?

Stainless Steel 347 and 347H Fasteners are specialized fasteners made from an alloy known as stainless steel 347 or its modified version, 347H. These fasteners are designed to provide excellent corrosion resistance and high-temperature strength, making them suitable for various demanding applications. One key feature of Stainless Steel 347/347H Fasteners is their exceptional resistance to intergranular corrosion, which can occur in high-temperature environments.

This resistance is attributed to the alloy's composition, which contains higher amounts of chromium, niobium, and tantalum, along with a balanced amount of nickel. Additionally, these fasteners offer good mechanical properties, including high tensile and yield strength and good weldability. The combination of corrosion resistance, strength, and weldability makes Stainless Steel 347/347H Fasteners a reliable choice for applications in petrochemical, chemical processing, power generation, and aerospace industries.

What are the common applications of Stainless Steel 347/347H Fasteners in various industries?

Stainless Steel 347 Fasteners find various applications across various industries due to their unique properties and corrosion resistance. In the petrochemical industry, these fasteners are commonly used in equipment and systems that handle corrosive fluids and gases, such as pipelines, valves, and fittings. They are also employed in chemical processing plants for applications involving handling acids, alkalis, and other aggressive chemicals. Stainless Steel 347 Fasteners are frequently utilized in power generation facilities, including nuclear and fossil fuel power plants, where they are exposed to high temperatures and corrosive environments. They are utilized in turbine systems, boilers, heat exchangers, and other critical components.

347 Stainless Steel Fasteners

Stainless Steel 347H Fasteners find widespread applications across diverse industries owing to their exceptional properties and resistance to corrosion. In the petrochemical sector, these fasteners are extensively used in equipment and systems that handle aggressive fluids and gases, such as pipelines, valves, and fittings. They are also employed in chemical processing plants for applications involving the handling of corrosive chemicals, acids, and alkalis. Stainless Steel 347H Fasteners are commonly utilized in power generation facilities, including nuclear and fossil fuel power plants, where they encounter high temperatures and corrosive environments.

Manufacturing Process Of Stainless Steel 347 Fasteners

SS 347 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 347 Fasteners Equivalent Grades

Grade C Mn Si P S Cr Cb Ni Fe
SS 347 0.08 max 2.0 max 1.0 max 0.045 max 0.030 max 17.00 - 20.00 10xC – 1.10 9.00 - 13.00 62.74 min
SS 347H 0.04 – 0.10 2.0 max 1.0 max 0.045 max 0.030 max 17.00 - 19.00 8xC – 1.10 9.0 -13.0 63.72 min

Chemical Composition of SS 347H Fasteners

Density Melting Point Tensile Strength Yield Strength (0.2%Offset) Elongation
8.0 g/cm3 1454 °C (2650 °F) Psi – 75000 , MPa – 515 Psi – 30000 , MPa – 205 35 %

Mechanical Properties of SS 347 Fasteners

Density Melting Point Tensile Strength Yield Strength (0.2%Offset) Elongation
8.0 g/cm3 1457 °C (2650 °F) Psi – 75000 , MPa – 515 Psi – 30000 , MPa – 205 35 %

Types Of Stainless Steel 347H Fasteners

347 SS Nuts

347 SS Nuts

347H SS Bolts

347H SS Bolts

347H Stainless Steel Screw

347H SS Screw

347 Stainless Steel Washers

347 Stainless Steel Washers

347 Stainless Steel Stud Bolt

347 Stainless Steel Stud Bolt

347H Stainless Steel Anchor Bolts

347H Stainless Steel Anchor Bolts

SS 347H Threaded Rod

SS 347H Threaded Rod

347 Stainless Steel Heavy Hex Bolts

347 Stainless Steel Heavy Hex Bolts

Stainless Steel 347 Hex Nuts

Stainless Steel 347 Hex Nuts

Other Types Of Stainless Steel 347 Fasteners

  • 347H Stainless Steel Hex Head Bolts
  • UNS S34709 Fasteners
  • Stainless Steel 347 Bolts
  • Stainless Steel 347 Nut Bolt
  • 347 Stainless Steel U Bolts
  • Stainless Steel 347 Nuts
  • ASTM F593 347 Stainless Steel Washers
  • 347 Stainless Steel Machine Screws
  • Stainless Steel 347 Fasteners
  • 1.4550 Fasteners
  • 347 Stainless Steel Bolts and Nuts
  • UNS S34700 Fasteners
  • 347 Stainless Steel Fasteners
  • 347 Stainless Steel Square Nuts
  • UNS S34700 Fasteners
  • Stainless Steel 347 Flat Washer
  • Stainless Steel 347 Industrial Fasteners
  • 347 Stainless Steel Heavy Hex Nuts
  • 347H Stainless Steel Hex Bolt
  • Stainless Steel 347 U Bolts
  • 347 Stainless Steel Double Ended Studs
  • 347 Stainless Steel Screw
  • SS 347H Self Locking Nuts
  • Stainless Steel 347H Allen Cap Screw
  • 1.4961 Nuts And Bolts
  • 347H Stainless Steel Plain Washer
  • SS 347 Spring Washer
  • SS 347 Ogee Washer
  • 347 Stainless Steel Wing Nuts
  • ASTM F594 SS 347 Coupling Nuts

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UNS S34700 Fasteners Price, Dimension, Weight

SS 347 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 347H Fasteners

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  • Countries - Nigeria, Rwanda, South Africa, Madagascar, Gambia, Mauritius, Uganda, Mozambique, Senegal, Botswana, Central African Republic, Burkina Faso, Morocco, Niger, Liberia, Cameroon, Zimbabwe, Namibia, Eswatini, Libya, Ethiopia, Seychelles, Kenya, Angola, Algeria, Tunisia, Tanzania, Burundi, Egypt, Zambia, Mauritania.
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