Kyaw Stainless is a well-respected manufacturer and supplier of **Stainless Steel 347 Nuts** based in Naypyidaw, Myanmar. We take pride in delivering top-notch quality and precision-engineered fastening solutions. Our SS 347 Nuts are made from high-grade raw materials, ensuring they are exceptionally durable, resistant to corrosion, and strong enough to withstand high temperatures and oxidative environments. Committed to upholding international quality standards, Kyaw Stainless caters to a variety of industries, including petrochemical, construction, and power generation. We also offer customized sizes and finishes to meet our clients’ specific needs, making us a trusted name in stainless steel fastener manufacturing throughout Myanmar.
Stainless Steel 347 Nuts are a type of stabilized austenitic stainless steel fastener, primarily made up of chromium (17–19%), nickel (9–13%), and columbium (niobium) to enhance their resistance to intergranular corrosion. They boast impressive tensile strength of around 515 MPa and yield strength of about 205 MPa, along with good elongation and toughness at elevated temperatures. SS 347 is known for its excellent oxidation resistance up to 870°C and remarkable mechanical stability. This unique composition makes it perfect for applications that face heat, pressure, and corrosive environments, ensuring reliable and long-lasting performance.
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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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.
**SS 347 Nuts** produced by Kyaw Stainless are extensively utilized in industries that require resistance to heat and chemical corrosion. Common applications include exhaust manifolds, boilers, heat exchangers, chemical processing equipment, and high-temperature gaskets. They are particularly favored in the aerospace, power generation, and oil & gas sectors due to their strength and durability under thermal stress. In Naypyidaw and throughout Myanmar, these nuts are trusted for securing mechanical assemblies and structures that demand exceptional performance in extreme conditions, ensuring safety and reliability.
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