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Stainless Steel 347/347H Wires

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Stainless Steel 347/347H Wires are austenitic stainless steel wire products stabilized with columbium, also known as niobium, to provide reliable resistance to intergranular corrosion after exposure to elevated temperatures. Grade 347 is commonly selected for applications requiring good corrosion resistance and structural stability, while 347H offers higher carbon content and is designed for improved high-temperature strength. Technolloy Inc supplies these wires for demanding industrial applications where dependable performance, dimensional consistency, and resistance to heat and corrosive environments are important.

What Are Stainless Steel 347/347H Wires?

Stainless Steel 347/347H Wires are manufactured from stabilized chromium-nickel stainless steel alloys containing niobium to reduce the risk of carbide precipitation at grain boundaries. This stabilization makes the grades particularly suitable for components that may experience repeated heating and cooling or prolonged exposure to temperatures where conventional unstabilized austenitic stainless steels can become susceptible to sensitization. The wires can be produced in different diameters, finishes, tempers, and dimensional requirements to suit fabrication and engineering applications.

Stainless Steel 347 is identified by UNS S34700, while Stainless Steel 347H is identified by UNS S34709. The 347H grade provides enhanced creep and rupture strength at elevated temperatures compared with the standard 347 grade. These characteristics make both grades useful in heat-intensive process equipment, chemical processing systems, power-generation components, aerospace assemblies, and fabricated wire products requiring dependable service over extended periods.

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Advantages of Stainless Steel 347/347H Wires?

Stainless Steel 347/347H Wires provide a strong combination of mechanical strength and heat resistance. The higher carbon content of 347H contributes to improved strength during high-temperature service, making it suitable for components exposed to sustained thermal loads. Grade 347 also retains useful mechanical properties across demanding operating conditions, supporting reliable performance in industrial equipment and fabricated assemblies.

The chromium and nickel content of these stainless steel grades provides strong resistance to oxidation and many corrosive environments. Their stabilized chemistry is especially valuable where the material may be exposed to elevated temperatures that could otherwise promote intergranular corrosion. This makes 347/347H wire a practical choice for chemical, petrochemical, thermal-processing, and power-generation applications.

These wires are engineered for demanding service conditions and can provide long operating life when correctly selected and processed. Their resistance to heat, corrosion, scaling, and thermal cycling helps reduce premature material degradation. The resulting durability can support lower maintenance requirements and more dependable operation of critical components.

Stainless Steel 347/347H can be fabricated using established stainless steel processing methods, although its austenitic structure and tendency to work harden require suitable tooling, controlled cutting conditions, and appropriate processing practices. Wire forms can be drawn and supplied to precise dimensional requirements, allowing manufacturers to integrate the material into springs, mesh, fasteners, formed components, and other engineered products.

Although stainless steel 347/347H may carry a higher initial material cost than conventional carbon or lower-alloy steels, its corrosion resistance, heat resistance, and service durability can provide favorable lifecycle economics. Reduced replacement frequency and dependable operation are particularly valuable in applications where equipment downtime, maintenance, or component failure can create significant operating costs.

Stainless Steel 347/347H Wires Manufacturers in India, Stainless Steel 347/347H Wires Suppliers in India, Stainless Steel 347/347H Wires Stockists in India, Stainless Steel 347/347H Wires Exporters in India

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Uses and Applications of Stainless Steel 347/347H Wires?

Stainless Steel 347/347H Wires Manufacturers supply wire products for high-temperature equipment where resistance to thermal exposure, oxidation, and intergranular corrosion is important. These wires can be used in fabricated supports, retaining components, furnace assemblies, heat-treatment equipment, and other parts exposed to elevated operating temperatures.

Stainless Steel 347/347H Wires Suppliers provide material for chemical processing environments where corrosion resistance and structural reliability are required. The stabilized alloy chemistry makes these wires suitable for fabricated components associated with process equipment, piping accessories, supports, screens, and components subjected to heat and corrosive process conditions.

Stainless Steel 347/347H Wires Stockists support power-generation applications requiring materials that can withstand elevated temperatures and prolonged service. These wires are used in boiler-related assemblies, heat-resistant components, turbine-area hardware, furnace systems, and other applications where dependable mechanical properties and corrosion resistance contribute to service reliability.

Stainless Steel 347/347H Wires Exporters serve aerospace and engineering applications where lightweight wire components must maintain reliable performance under demanding thermal and environmental conditions. The grades can be used in formed wire parts, retaining components, fastening applications, and other fabricated assemblies requiring heat-resistant stainless steel material.

Stainless Steel 347/347H Wires are suitable for furnace fixtures, baskets, hooks, supports, and other heat-treatment components that require resistance to oxidation and repeated thermal cycling. Their stabilized composition helps maintain material integrity during prolonged exposure to elevated temperatures.

The wire can be processed into mesh, screens, woven products, and specialized filtration components for industrial environments. Its corrosion resistance and ability to withstand elevated temperatures make it useful for applications where ordinary steel wire may experience accelerated degradation.

Stainless Steel 347/347H Wires can be converted into springs, clips, fasteners, ties, retaining components, and custom-formed wire products. Selection between 347 and 347H depends on the required mechanical properties, temperature exposure, fabrication requirements, and applicable material specification.

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Stainless Steel 347/347H Wires Manufacturers in Mumbai, Stainless Steel 347/347H Wires Suppliers in Mumbai, Stainless Steel 347/347H Wires Stockists in Mumbai, Stainless Steel 347/347H Wires Exporters in Mumbai

Quality Assurance of Stainless Steel 347/347H Wires

Technolloy Inc provides Stainless Steel 347/347H Wires for industrial buyers requiring consistent material quality and application-focused supply. Products can be sourced in customized diameters, finishes, tempers, lengths, and packaging configurations according to project requirements. Material documentation and inspection requirements can also be accommodated based on the applicable purchase specification.

For international and domestic procurement, Technolloy Inc supports requirements involving ASTM, ASME, and other applicable material standards. Buyers can specify dimensions, grade, quantity, surface finish, testing requirements, packaging, and delivery preferences to receive a wire product aligned with their fabrication and operating conditions.

Stainless Steel 347/347H Wires are commonly supplied to applicable ASTM A580/A580M requirements for stainless steel wire, with ASME SA580 used where pressure-equipment specifications require the ASME designation. Grade selection may include UNS S34700 for 347 and UNS S34709 for 347H. Exact chemistry, mechanical properties, dimensions, finish, tolerance, testing, and certification should be confirmed against the purchase order and governing specification.

The price of Stainless Steel 347/347H Wires depends on grade, wire diameter, quantity, finish, temper, manufacturing specification, testing, packaging, and prevailing nickel and alloy market conditions. Indicative pricing may start around INR 850 per kg for standard commercial requirements, while customized or certified orders may be priced differently. Technolloy Inc can quote according to customer-specific dimensions, quantity, standards, inspection requirements, and delivery destination.

Specification of Stainless Steel 347/347H Wires?

Specifications ASTM A580 ASME SA580 / ASTM A313 ASME SA313
Dimensions ASTM, ASME
Length Max 12000 mm
Diameter 5.5 – 400 mm
Specialize Wire, Coil Wire

Chemical Composition of Stainless Steel 347/347H Wires?

Grade C Mn Si P S Cr N Ni Ti
SS 347 0.08 max 2 max 1 max 0.045 max 0.030 max 17 - 19 0.10 max 9 - 12 5(C+N) – 0.70 max
SS 347H 0.04 – 0.10 2 max 1 max 0.045 max 0.030 max 17 - 19 0.10 max 9 - 12 4(C+N) – 0.70 max

Mechanical Properties of Stainless Steel 347/347H Wires?

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 %

Application Of Industries

Power Plants
1
Aerospace
2
Refineries
3
Construction
4
Import Export
5
Oil & Gas
6
Sugar
7
Chemical
8
Petrochemical
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Frequently Asked Questions

Stainless Steel 347/347H Wire is a stabilized austenitic stainless steel wire containing niobium for improved resistance to intergranular corrosion after elevated-temperature exposure. Grade 347H has higher carbon content and provides improved high-temperature strength.

Grade 347H contains a higher carbon level than standard 347 and is intended to provide improved strength and creep resistance at elevated temperatures. The appropriate grade depends on the operating temperature, mechanical requirements, and applicable specification.

Stainless steel wire is commonly supplied to ASTM A580/A580M requirements, with ASME SA580 applicable for relevant ASME projects. The exact specification should be confirmed according to the intended application and purchasing requirements.

These wires are used in chemical and petrochemical processing, power generation, furnace equipment, heat-treatment systems, aerospace components, wire mesh, springs, fasteners, and other applications requiring corrosion resistance and reliable performance at elevated temperatures.

Pricing depends on grade, diameter, quantity, finish, temper, certification, testing, packaging, manufacturing requirements, and current alloy market conditions. Customized specifications can have different pricing from standard stock sizes.

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