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Yasin Fasteners, based in Istanbul, Turkey, leads in manufacturing and supplying stainless steel products, including high-grade 440C fasteners. Recognized for delivering strong solutions, the company serves industries that need exceptional strength and wear resistance. By using advanced production methods and strict quality checks, Yasin Fasteners offers materials that follow international engineering standards. Their 440C stainless steel is particularly popular for applications where hardness, durability, and resistance to corrosion are essential. Serving sectors like aerospace, defense, automotive, and precision tools, Yasin Fasteners ensures reliable and long-lasting performance in every 440C stainless steel fastener they make.
440C stainless steel consists of about 1.0% carbon, 16 to 18% chromium, and small amounts of manganese, silicon, and molybdenum. This high-carbon martensitic stainless steel provides excellent hardness and wear resistance. It can be heat-treated to reach Rockwell hardness levels up to 60 HRC, making it one of the hardest stainless grades. Mechanical properties include tensile strength of around 760 MPa (annealed) and up to 1900 MPa (hardened), along with good compressive strength. While it is less resistant to corrosion than austenitic grades, it performs reliably in mildly corrosive and abrasive settings.
| Element | Content(%) |
|---|---|
| Iron, Fe | 79.15 |
| Chromium, Cr | 17 |
| Carbon, C | 1.1 |
| Manganese, Mn | 1 |
| Silicon, Si | 1 |
| Molybdenum, Mo | 0.75 |
| Properties | Metric | Imperial |
|---|---|---|
| Tensile strength | 760-1970 MPa | 110000-286000 psi |
| Yield strength (@ strain 0.200%) | 450-1900 MPa | 65300-276000 psi |
| Bulk modulus | 166 GPa | 24100 ksi |
| Shear modulus | 83.9 GPa | 12200 ksi |
| Elastic modulus | 200 GPa | 29008 ksi |
| Poisson’s ratio | 0.27-0.30 | 0.27-0.30 |
| Elongation at break | 2-14 % | 2-14 % |
| Hardness, Rockwell B (converted from Brinell hardness) | 97 | 97 |
Material | Specification | Standards | Length | Size |
440C Stainless Steel Bolts
| IS BS ASTM | DIN, ISO, JIS, GB, IS, BS, ASTM | 3 mm to 200 mm | M 02 to M 160 |
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 440C bolts are essential in applications requiring exceptional strength, durability and corrosion resistance. It is widely used in the manufacture of high-performance bearings and cutting tools where durability and resistance are required. These bolts find usefulness in space for applications that require reliable performance under extreme conditions. Their corrosion resistance, ability to hold dimensional stability makes stainless steel 440C bolts suitable for a variety of industrial machines and tools They ensure safe fastening and long life in harsh environments where reliability and performance are paramount.
440C stainless steel from Yasin Fasteners is popular in areas where extreme hardness and wear resistance are needed. In the automotive industry, it is used in bearings, valve components, and precision parts that face constant friction. The aerospace and defense sectors utilize 440C for high-stress components like ball bearings, pump shafts, and cutting tools. In the medical field, it is preferred for surgical instruments because it retains sharp edges and strength after sterilization. Additionally, it’s applied in knife blades, molds, and measuring devices, ensuring reliability in both industrial and specialized high-performance settings.
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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