Stainless steel fasteners are essential in many industrial applications, ranging from aerospace to chemical processing to marine and petrochemicals. They are crucial in any project, ensuring various equipment and structures' safe and efficient manufacturing. Among the different grades of stainless steel, 347 and 347H are popular options for fasteners. These materials are perfect for high-temperature applications, such as solid chemicals and extreme pressure.


Stainless steel 347 is an austenitic steel containing chromium, niobium, and nickel. These elements contribute to the material's exceptional strength, durability, and thermal stability, making it ideal for hot and corrosive environments. Stainless steel 347 fasteners come in various types, including bolts, nuts, screws, washers, and springs. Bolts are machine screws threaded into a nut and secured with a washer. Conversely, nuts are internally threaded metal blocks that screw onto a bolt or a stud. Screws have a threaded shaft and a head designed to be driven with a wrench or screwdriver. Washers are thin metal rings designed to distribute the load of a threaded fastener. Springs are coiled wires that apply force when compressed or stretched.


Stainless steel 347H is a modification of 347, containing higher amounts of carbon. This variation provides better high-temperature strength, making it ideal for chemical and petrochemical applications. Stainless steel 347H fasteners are widely used in industries that use harsh chemicals, such as sulfuric acid, hydrochloric acid, and acetic acid. They are also used in high-heat applications like heat exchangers, boilers, and refinery equipment. Their durability and strength make them ideal for high-pressure and tension environments.


Stainless Steel 347 Fasteners, UNS S34700 Bolts, SS 347 Hex Nuts, S34700 Stainless Steel Bolts, SS 347 Bolts, Alloy 347 Fasteners, Grade 347 Fasteners, 347 Stainless Steel Fasteners, UNS S34700 Stainless Steel bolts, Stainless Steel 347 Fasteners Manufacturers In India.


Stainless Steel 347 Fasteners
  • UNS

    S34700

  • WNR

    1.4550

  • ASTM / ASME

    ASTM A193 / ASME SA 193

  • SHARE

Stainless steel 347 and 347H fasteners are used in various applications across various industries. They are commonly used in chemical processing plants, offshore oil and gas platforms, pulp and paper mills, and power generation plants. These fasteners are also ideal for manufacturing aircraft, jet engines, and medical devices due to their high corrosion resistance.


Stainless steel 347 and 347H fasteners provide numerous benefits, making them an ideal option for industrial applications. These materials have excellent corrosion resistance against harsh chemicals and high-temperature environments. They are also durable, with exceptional strength and stability. Plus, they are non-magnetic and maintain their mechanical properties at elevated temperatures.


Stainless steel 347 and 347H fasteners are crucial in manufacturing various industrial equipment and structures. These materials give many benefits, making them ideal for harsh environments, high heat, and corrosive chemicals. Their strength and durability make them perfect for static and dynamic applications.


347H Stainless Steel Fasteners, Alloy 347H Fasteners, Grade 347H Fasteners, 347h SS Fasteners, SS 347H Bolts, SS 347H Nuts, SS 347H Studs, SS 347H Fasteners Manufacturers In India.


fevicon-logo SS 347 Bolts and Nuts Specification

SpecificationsASTM A193 / ASME SA 193
StandardDIN, ISO ,JIS ,GB, IS, BS, ASTM and all International Standards
Size M3 to M90
Length 10mm to 1000mm
DimensionsDIN 931, 933, 934, 7991, 976, 125, ASME B18.2.1, B18.3
Threads availableUNF, BSW, BSF, METRIC, UNC, or as required
Threads ConfigurationASME B1.1 2A/3A – 2B/3B Inch Unified Threads and B1.13M 6h-6G Metric Coarse Threads
FormHex, Threading, Square, Round as per Gauge Etc.
HeadHex, Square, Round, Hex flange, Flat, T-head & Triangular etc.
Neck typeHex, Square, Triangular, Oval & Knurled etc.
Surface CoatingBlack Oxide, Cadmium, Galvanized, Teflon, Xylan, Zinc, Others Upon Request
Manufacturing ProcessWire Drawing, Cold Heading, Insert tapping, Heat Treatment, Surface Plating, Inspection, Packing.

Stainless steel 347 and 347H fasteners are widely used in many applications that require high durability, strength, and corrosion resistance. These materials offer a range of advantages that make them ideal for various industries, including construction, food processing, and chemical processing.


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fevicon-logo Equivalent Grades Of Stainless Steel 321 Fasteners

STANDARD WERKSTOFF NR. UNS JIS GOST EN
SS 347 1.4550 S34700 SUS 347 08Ch18N12B X6CrNiNb18-10

fevicon-logo Chemical Composition of Stainless Steel 347 Fasteners

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

fevicon-logo Mechanical Properties of SS 347 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 %

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fevicon-logo Types of Stainless Steel 347 Fasteners

Nut

SS 3 Nuts

Bolt

SS 347H Bolt

Washers

SS 347 Washer

Stud Bolts

SS 347 Stud Bolts

Hex Bolt

347 SS Hex Bolt

Threaded Rod

347 SS Threaded Rod

Anchor Bolt

SS 347 Anchor Bolt

Spring Washer

SS 347H Spring Washer


Fasteners 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


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fevicon-logo Stainless Steel 347 Fastener Application Industries

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