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Yasin Fasteners, Istanbul, Turkey, is a trustworthy manufacturer and distributor of stainless steel 347H stud bolts with high temperature application needs featuring excellent strength and high resistance to intergranular corrosion. The stud bolts are produced from a high-carbon, niobium-stabilized austenitic stainless steel alloy and are suitable for welded structures and conditions with long-term exposure to high temperatures. 347H stud bolts are available in multiple sizes and grades through Yasin Fasteners for use in industries like petrochemical, power generation, aerospace, and thermal processing. Every product satisfies worldwide standards for quality to provide longevity and operation.
Stainless steel 347H stud bolts have about 17–19% chromium, 9–13% nickel, and more carbon than regular 347, which improves creep strength and mechanical properties at elevated temperatures. Niobium addition stabilizes the alloy against precipitation of chromium carbide and resistance against intergranular corrosion upon welding or exposure to heat. They retain superior oxidation resistance and mechanical properties up to 1000°C (1832°F).
| Grade | C | Mn | Si | P | S | Cr | Mo | Ni | N |
| SS 347H | 0.04 – 0.10 | 2.0 max | 1.0 max | 0.045 max | 0.030 max | 17.00 – 19.00 | – | 9.0 -13.0 | – |
| Grade | Density | Melting Point | Tensile Strength | Yield Strength (0.2%Offset) | Elongation |
| 347H | 8.0 g/cm3 | 1454 °C (2650 °F) | Psi – 75000 , MPa – 515 | Psi – 30000 , MPa – 205 | 35 % |
|
Material |
Specification |
Standards |
Size
|
Length |
|
Stainless Steel 347 / 347H Studbolt
|
IS
BS
ASTM
|
ASTM A193 B8C |
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 stud bolts find extensive applications in pressure vessels, heat exchangers, furnace parts, and high-temperature piping. These properties of stainless steel 347H stud bolts ensure that they are in a critical fastening situation in severe industrial conditions. The stud bolts offer safe, long-lasting connections in which strength and resistance to heat are essential.
Our stainless steel 347H stud bolts in Yasin Fasteners go through careful quality testing to ensure exceptional performance. Our rigorous testing includes hardness testing, chemical analysis using spectroanalysis, PMI testing for inspection. Quality of materials, tensile strength analysis, micro-macrostructural analysis, and testing for high thermal resistance. And to ensure stability, each bolt lasts longer in extreme conditions, Meeting stringent industry standards for corrosion resistance and reliability, we carefully pack each stud bolt to ensure safe transport and come in condition optimized for immediate use in your critical applications to provide peace of mind and reliable performance.
Yasin Fasteners is a leading manufacturer and supplier of high-quality fasteners in Istanbul, Turkey, with over 8 years of experience serving global industries.
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