Aditya Stainless has earned a solid reputation as a reliable manufacturer and supplier of top-notch Stainless Steel 347 Nuts right here in Kolkata, India. We take pride in crafting high-performance SS 347 Nuts that meet international standards, guaranteeing exceptional strength, reliability, and resistance to corrosion. Our product lineup features hex nuts, lock nuts, cap nuts, and even custom designs tailored to fit various industrial requirements. With state-of-the-art manufacturing facilities and rigorous quality control, Aditya Stainless ensures that our products stand out in terms of durability and functionality. We proudly serve clients across multiple sectors, making us the go-to choice for Stainless Steel 347 Nuts in Kolkata and beyond.
Stainless Steel 347 Nuts are made from a stabilized austenitic stainless steel alloy that contains 17-20% Chromium, 9-13% Nickel, and a touch of Columbium (Niobium) to enhance corrosion resistance. SS 347 is known for its remarkable resistance to intergranular corrosion, especially after being exposed to high temperatures. The mechanical properties include a minimum tensile strength of 515 MPa, yield strength of 205 MPa, and an elongation of 40%. With a density of 7.90 g/cm³, these nuts perform exceptionally well at elevated temperatures, making them perfect for high-stress and high-temperature applications.
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 |
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 |
|
Material |
Specification |
Standards |
Size
|
Length |
|
Stainless Steel 347 Nut |
IS BS ASTM |
ASTM A193 B8C |
3 mm to 200 mm |
M02 to M33 |
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A corrosion-resistant product, Stainless Steel 347 nuts are available in sizes from M6 to M64. They offer exceptional heat and oxidation resistance, ideal for high-temperature applications in aerospace and chemical processing industries.
A corrosion-resistant product, Stainless Steel 347 coupling nuts come in sizes from M6 to M36. They are designed to connect two male threads securely, providing high strength and stability in high-temperature and harsh industrial environments.
A corrosion-resistant product, Stainless Steel 347 nylon insert nuts, or lock nuts, are available in sizes from M3 to M36. The nylon insert helps prevent loosening under vibration, offering reliable performance in high-temperature applications.
A corrosion-resistant product, Stainless Steel 347 flange hex nuts feature an integrated flange and are available in sizes from M5 to M20. They provide enhanced load distribution and stability in high-temperature and corrosive environments.
A corrosion-resistant product, Stainless Steel 347 heavy hex nuts are available in sizes from M10 to M48. Their increased thickness and strength make them suitable for heavy-duty and high-temperature applications requiring robust and secure fastening.
A corrosion-resistant product, Stainless Steel 347 square nuts offer a larger contact surface and come in sizes from M6 to M30. They are ideal for high-temperature and heavy clamping applications, providing stability and durability.
We provide our customer with a high-quality stainless Steel 347 Nut with full transparency. All the products carry necessary documentations, which are commercial invoice packing list fumigation certificate; heat treatment chart of a test report from NABL-approved laboratory’s We also give EN10204 /3.1-b material test, PMI, and a report on radiography of 100%, along with our Third Party inspection report, to enable full documentation by which client can achieve complete satisfaction.
Stainless Steel 347 Nuts find extensive use in various industries, including aerospace, chemical processing, oil and gas, heat exchangers, food processing, and power generation. In Kolkata, these nuts are particularly favored for equipment and structures that face high-temperature conditions due to their outstanding resistance to oxidation and creep strength. They are commonly utilized to secure bolts in pipelines, pressure vessels, exhaust systems, and other critical components. SS 347 Nuts are the ideal choice for applications that demand superior mechanical properties at elevated temperatures, especially in environments where resistance to intergranular corrosion is essential.
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