Stainless steel has become one of the most sought-after materials in various industries due to its durability, resistance to corrosion, and overall performance. Among the many grades available, Stainless Steel 347H stands out for its high-temperature performance and resistance to intergranular corrosion. At Metcore Steel & Alloys, we are proud to be a leading supplier of high-quality Stainless Steel 347H Fasteners that are essential for numerous industrial applications.
What is Stainless Steel 347H Fasteners?
Stainless Steel 347H Fasteners are specialized components made from an austenitic stainless steel alloy. The "H" in 347H indicates its high carbon content, which gives it enhanced strength, particularly at high temperatures. This grade of stainless steel is stabilized with the addition of columbium (niobium) and tantalum, which allows the material to withstand high temperatures without succumbing to intergranular corrosion, making it perfect for fasteners used in extreme environments.
At Metcore Steel & Alloys, our Stainless Steel 347H Fasteners come in a variety of types, including bolts, screws, nuts, washers, and threaded rods. These fasteners are known for their exceptional strength, durability, and resistance to oxidation, making them a reliable choice for demanding industrial applications.
Advantages of Stainless Steel 347H Fasteners?
When selecting fasteners for industrial use, the material's performance characteristics are critical. The high-carbon content of Stainless Steel 347H offers several advantages, especially in environments exposed to high temperatures or corrosive conditions. Below are some key advantages of Stainless Steel 347H Fasteners:
High-Temperature Resistance: One of the primary benefits of Stainless Steel 347H Fasteners is their excellent performance at elevated temperatures. This makes them ideal for industries that require fasteners to maintain strength and structural integrity in heat-intensive environments such as furnaces and heat exchangers.
Corrosion Resistance: The addition of columbium and tantalum stabilizes the alloy, preventing carbide precipitation and offering superior resistance to intergranular corrosion. This is crucial in applications where exposure to harsh chemicals or extreme weather conditions can lead to corrosion over time.
Durability and Longevity: Stainless Steel 347H Fasteners are known for their durability. They provide long-term performance even in the most demanding applications, which can reduce maintenance costs and downtime, ensuring that your operations run smoothly.
Oxidation Resistance: These fasteners can resist oxidation in high-temperature environments, which is vital for applications in industries such as petrochemical, oil and gas, and power generation, where exposure to oxygen at elevated temperatures is common.
Applications and Uses in Different Industries
Because of their high-temperature strength, corrosion resistance, and durability, Stainless Steel 347H Fasteners are utilized across a range of industries. Below are some of the key sectors where these fasteners play a vital role:
Petrochemical Industry: In this sector, Stainless Steel 347H Fasteners are commonly used in refining units, heat exchangers, and catalytic crackers. The fasteners’ resistance to high-temperature oxidation makes them ideal for petrochemical processes that involve high heat and pressure.
Aerospace Industry: In aerospace applications, components are frequently exposed to extreme temperatures and environmental conditions. Stainless Steel 347H Fasteners provide the necessary strength and resistance to corrosion, making them crucial for engines, turbines, and exhaust systems.
Power Generation: The power generation industry, particularly in nuclear and thermal plants, requires materials that can withstand high temperatures. Stainless Steel 347H Fasteners are used in turbines, boilers, and other equipment subjected to continuous high heat.
Oil and Gas Industry: In the oil and gas sector, where components are regularly exposed to harsh environmental conditions such as saltwater and corrosive gases, Stainless Steel 347H Fasteners deliver exceptional performance. Their ability to resist both corrosion and oxidation makes them perfect for use in pipelines, rigs, and processing plants.
Chemical Processing Industry: In environments where fasteners are exposed to chemicals and corrosive agents, Stainless Steel 347H proves to be highly reliable. These fasteners are used in reactors, tanks, and other equipment where exposure to corrosive substances is common.
Pharmaceutical Industry: In environments where cleanliness and resistance to chemical exposure are important, these fasteners are used in pharmaceutical machinery and sterile processing equipment.
As one of the most reputable Stainless Steel 347H Fasteners Manufacturers, Metcore Steel & Alloys is committed to providing high-quality fasteners that meet the diverse needs of our global clients. Our fasteners are manufactured to meet the highest international standards and are available in a variety of specifications to suit different industrial requirements.
We are proud to be not only leading Stainless Steel 347H Fasteners Suppliers but also trusted Stainless Steel 347H Fasteners Stockists with a wide inventory available for immediate delivery. Furthermore, we serve as Stainless Steel 347H Fasteners Exporters, ensuring that our products are shipped safely and efficiently to customers around the world.
Stainless Steel 347H Fasteners offer unparalleled advantages, including high-temperature resistance, corrosion resistance, and durability, making them a preferred choice across various industries. At Metcore Steel & Alloys, we are dedicated to delivering premium-grade fasteners to meet your exact needs. Whether you're in the petrochemical, aerospace, or power generation industry, you can count on us to supply the highest quality fasteners at competitive prices.
What Is A Specification Of Stainless Steel 347H 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 347H 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 347H 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 347H 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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