Stainless Steel 347 Fasteners

In modern industries, the need for high-performance materials is more crucial than ever. When it comes to durable and reliable fastening solutions, Stainless Steel 347 Fasteners stand out. These fasteners, known for their excellent resistance to corrosion and high-temperature environments, are used across a variety of demanding industries. Metcore Steel & Alloys is a trusted name among Stainless Steel 347 Fasteners Manufacturers, offering a wide range of premium-quality fasteners designed to meet the needs of today’s most challenging applications.

Stainless Steel 347 Fasteners from Metcore Steel & Alloys for industrial applications
Stainless Steel 347 Fasteners

What is Stainless Steel 347 Fasteners?

Stainless Steel 347 is a chromium-nickel stainless steel alloy that includes columbium (niobium), which significantly enhances its ability to withstand high temperatures and prevent intergranular corrosion. This makes it an excellent choice for fasteners exposed to extreme conditions. Fasteners made from Stainless Steel 347, such as bolts, nuts, washers, and screws, are widely preferred for use in environments where temperature stability and corrosion resistance are critical.

At Metcore Steel & Alloys, we pride ourselves as leading Stainless Steel 347 Fasteners Suppliers, ensuring that our customers get reliable products that meet international quality standards. With excellent oxidation resistance and mechanical properties, these fasteners perform optimally in high-stress environments, offering superior longevity and durability.

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Advantages of Stainless Steel 347 Fasteners?

Stainless Steel 347 Fasteners offer several advantages that make them indispensable in high-demand industries:

Corrosion Resistance: One of the primary benefits of Stainless Steel 347 Fasteners is their exceptional resistance to corrosive environments, especially in acidic and chloride-containing atmospheres. The columbium content prevents carbide precipitation, which typically causes corrosion at high temperatures.

High-Temperature Stability: These fasteners maintain their strength and performance even in extreme temperatures, up to about 1500°F (815°C). This makes them suitable for applications in high-temperature processes like power generation and heat exchangers.

Enhanced Mechanical Properties: The alloy composition gives Stainless Steel 347 Fasteners excellent mechanical strength, toughness, and stability, even under extreme stress. This makes them ideal for heavy-duty applications such as in chemical processing and petroleum refining.

Ease of Fabrication and Welding: Another benefit is their ease of fabrication and welding. The addition of niobium improves weldability and reduces the risk of cracking during the welding process, making them ideal for fabrication in complex industrial settings.

Long Service Life: These fasteners provide a longer service life compared to other stainless steels due to their ability to resist corrosion, oxidation, and wear in aggressive environments.

As experienced Stainless Steel 347 Fasteners Stockists, Metcore Steel & Alloys ensures that these fasteners are available in various sizes and dimensions to suit different applications.

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Applications and Uses in Different Industries

Due to their exceptional properties, Stainless Steel 347 Fasteners are widely used across multiple industries where high temperatures, corrosion, and wear are significant concerns.

Aerospace Industry: The aerospace industry requires materials that can withstand extreme conditions, and Stainless Steel 347 Fasteners are perfect for aircraft components and exhaust systems that are subject to high heat and corrosive environments.

Chemical Processing: The excellent resistance to chemical corrosion and high-temperature performance makes Stainless Steel 347 Fasteners ideal for chemical plants where they are used in processing equipment and storage tanks for handling corrosive chemicals.

Power Generation: Power plants, especially those using fossil fuels, require fasteners that can withstand high temperatures in boilers, heat exchangers, and superheater tubes. Stainless Steel 347 Fasteners offer the required heat resistance for these applications.

Petroleum Refining: In petroleum refineries, equipment often operates under high temperatures and corrosive conditions. These fasteners are employed in refinery components such as catalytic cracking units and pressure vessels.

Food Processing Industry: Due to their resistance to corrosion and ability to withstand harsh cleaning processes, Stainless Steel 347 Fasteners are commonly used in the food processing industry, where hygiene and durability are critical.

Pharmaceutical Industry: In environments where cleanliness and resistance to chemical exposure are important, these fasteners are used in pharmaceutical machinery and sterile processing equipment.

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Metcore Steel & Alloys stands out as one of the top Stainless Steel 347 Fasteners Exporters, supplying these fasteners to industries across the globe. Our products meet stringent international standards, ensuring that they deliver outstanding performance in every application.

Stainless Steel 347 Fasteners are an essential component for industries that demand high performance in extreme conditions. From aerospace to chemical processing and power generation, these fasteners offer unparalleled durability, corrosion resistance, and high-temperature stability. At Metcore Steel & Alloys, we are committed to providing the highest quality fasteners to meet your industrial needs. Whether you're looking for bulk quantities or specialized fasteners, our team is ready to supply you with the best products the industry has to offer.

What Is A Specification Of Stainless Steel 347 Fasteners?

Specifications ASTM A 193 / ASME SA 193
Standard DIN, ISO ,JIS ,GB, IS, BS, ASTM and all International Standards
Size M3 - M100 | 3/6″ - 4″ | Custom Sizes
Fasteners Length 3 mm - 200 mm | Custom Sizes
Nuts Size M3 - M56 | 3/6" to 2" | Custom Sizes
Washers Size M3 - M56 | 3/6" to 2" | Custom Sizes
Dimensions DIN 931, 933, 934, 7991, 976, 125, ASME B18.2.1, B18.3
Threads available UNF, BSW, BSF, METRIC, UNC, or as required
Threads Configuration ASME B1.1 2A/3A – 2B/3B Inch Unified Threads and B1.13M 6h-6G Metric Coarse Threads
Form Hex, Threading, Square, Round as per Gauge Etc.
Head Hex, Square, Round, Hex flange, Flat, T-head & Triangular etc.
Neck type Hex, Square, Triangular, Oval & Knurled etc.
Surface Coating Black Oxide, Cadmium, Galvanized, Teflon, Xylan, Zinc, Others Upon Request
Manufacturing Process Wire Drawing, Cold Heading, Insert tapping, Heat Treatment, Surface Plating, Inspection, Packing.

What Are Equivalent Grades Of Stainless Steel 347 Fasteners?

AISI Grade Equivalent ASTM EN/DIN Numerical Equivalent UNS designation JIS Equivalent Stainless Steel Notation EN/DIN Symbolical Equivalent
AISI 347
A193 B8C, A320 B8C
EN 1.4550
UNS S34700
SUS347
SS 347
X6CrNiNb18-10
AISI 347H
EN 1.4961
UNS S34709
SUS347H
SS 347H
X6CrNiNb18-12

What Are Chemical Composition Of Stainless Steel 347 Fasteners?

Grade Mn N P C S Cr Mo Si Ni Other
347

min.

max

2.00

-

0.045

-

0.08

0.030

17.0

19.0

-

0.75

9.0

13.0

Nb=10(C+N)

1.0

347H

min.

max

2.00

-

0.045

0.04

0.10

0.030

17.0

19.0

3 – 4

0.75

9.00

13.00

-

-

What Are Mechanical Properties Of Stainless Steel 347 Fasteners?

Grade Tensile Strength (MPa) min Yield Strength 0.2% Proof (MPa) min Elongation (% in 50mm) min Hardness
Rockwell B (HR B) max Brinell (HB) max
347

515

205

40

92

201

347H

515

205

40

95

217

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