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Yasin Fasteners, Istanbul, Turkey, is a reputable manufacturer and supplier of stainless steel 317 and 317L nuts that have excellent corrosion resistance and mechanical strength. These nuts are designed to the international quality standards and are ideal for application in highly corrosive environments. Yasin Fasteners produces a range of nut forms such as hex nuts and lock nuts in stainless steel grades 317 and 317L for markets including chemical processing, marine, petrochemical, and power generation industries. It prioritizes quality, accuracy, and strength to offer dependable fastening systems in hard applications.
Stainless steel 317 and 317L nuts are produced from an austenitic alloy with increased molybdenum content (approximately 3-4%) over conventional 316 grades, which increases their resistance to pitting and crevice corrosion in hostile environments. Grade 317L is the low carbon variant of 317, which presents better weldability and lower chances of carbide precipitation. Both grades have good strength, good ductility, and resistance to stress corrosion cracking. Their properties render 317/317L nuts fit for application in extremely corrosive chemical, acidic, and chloride-containing environments, with long-lasting performance.
| Grade | C | Mn | Si | P | S | Cr | Ni | Mo | N |
| SS 317 | 0.08 max. | 2.00 max. | 1.00 max. | 0.045 max. | 0.03 max. | 18.0 – 20.0 | 11.0 – 14.0 | 3.0 – 4.0 | – |
| SS 317L | 0.03 max. | 2.00 max. | 0.75 max. | 0.045 max. | 0.03 max. | 18.0 – 20.0 | 11.0 – 15.0 | 3.0 – 4.0 | 0.1 |
| 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 | ||||
| 317 | 620 MPa | 275 MPa | 45% | 85 | 193 |
| 317L | 595 MPa | 260 MPa | 55% | 85 | 200 |
|
Material |
Specification |
Standards |
Size
|
Length |
|
Stainless Steel 317 / 317L Nuts
|
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 317/317L nuts are adopted extensively in chemical and rigorous conditions-exposed industries. They are prevalent in chemical processing facilities, where resistance to phosphoric and sulfuric acids is necessary. In marine and offshore exposures, their superior corrosion resistance makes them perfect for saltwater exposure. The petrochemical industry depends on such nuts for machinery and piping systems that are dealing with hostile fluids. They are also utilized in power plants and waste treatment facilities, where they secure fast under extreme temperatures and corrosive environments. Their toughness and trustworthiness make them a requirement in critical, safety-critical applications.
We ensure rigorous quality inspections for all materials before delivery. Tests include Micro and Macro, Flaring, Pitting Resistance, Intergranular Corrosion (IGC), Hardness, Chemical Analysis (Spectro Analysis), and Positive Material Identification (PMI). Additionally, we provide comprehensive documentation such as HS-coded commercial invoices, packing lists with net and gross weights, box numbers, labels, and a Certificate of Origin. A Guarantee Letter and third-party inspection certificates are also available to ensure complete client satisfaction.
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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