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Rinku Fasteners, based in Kolkata, India, stands out as a top manufacturer and supplier of high-quality Stainless Steel 347H Fasteners, designed to perform exceptionally well in high-temperature and corrosive settings. Known for their precision, durability, and commitment to global standards, the company offers fastening solutions that meet a wide range of industrial needs. Their SS 347H Fasteners are produced under rigorous quality control measures to guarantee outstanding mechanical strength, precise dimensions, and long-lasting reliability. Catering to sectors like petrochemicals, power generation, refineries, and chemical processing, Rinku Fasteners is dedicated to providing products that blend advanced material engineering with reliable service and prompt delivery.
Stainless Steel 347H Fasteners are crafted from a high-carbon, niobium-stabilized austenitic stainless steel alloy that enhances strength at high temperatures. This alloy includes chromium, nickel, and niobium, which together offer remarkable resistance to intergranular corrosion, oxidation, and thermal fatigue. The higher carbon content boosts creep resistance and stability during extended exposure to elevated temperatures. These fasteners showcase impressive tensile strength, good ductility, dependable mechanical performance, and excellent structural integrity. Their ability to maintain strength and resist corrosion makes SS 347H Fasteners ideal for demanding, heat-intensive applications.
| Grade | C | Mn | Si | P | S | Cr | Mo | Ni | Fe |
| SS 347H | 0.04 – 0.10 | 2.0 max | 1.0 max | 0.045 max | 0.030 max | 17.00 – 19.00 | 8xC – 1.10 | 9.0 -13.0 | 63.72 min |
| 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 % |
|
Material |
Specification |
Standards |
Size
|
Length |
|
Stainless Steel 347H Fasteners
|
IS
BS
ASTM
|
ASTM / ASME – A/ SA 193 |
3 mm
to
200 mm
|
M02 to M33
|
To satisfy our clients needs by providing high quality products at competitive price as per the schedule and to maintain long term relationship with our clients.
Stainless Steel 347H Fasteners find extensive use in industries that need robust fastening solutions capable of enduring extreme heat and corrosive conditions. They’re frequently employed in heat exchangers, boilers, furnace components, and steam processing equipment. Petrochemical plants, oil refineries, and power generation facilities depend on these fasteners for high-temperature piping systems and pressure vessels. Their resistance to intergranular corrosion and thermal fatigue makes them a reliable choice for these critical applications.
We at Rinku Fasteners hold back the stringent quality standards of our stainless steel 347H fasteners, reflected in our meticulous documentation practices. Our commitment extends to complete documentation, including trade payments, packaging documents, fuming certificates, heat treatment procedures and detailed quality charts 10204 include /3.1b, PMI test certificates, and 100% complete radiographic test reports Additionally, third party inspection certifications confirm our commitment to ensuring quality and reliability and we promise to deliver Stainless Steel 347H Fasteners that meet the highest industry standards and exceed customer expectations.
Rinku Fasteners is a leading manufacturer and supplier of high-quality fasteners in Kolkata, India, with over 8 years of experience serving global industries.
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