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Pengkumta Fasteners, a top-notch manufacturer and supplier based in Bangkok, Thailand, specializes in high-quality Stainless Steel 440C Washers that are engineered for peak performance in critical industrial and engineering settings. Thanks to their cutting-edge manufacturing techniques and rigorous quality control, the company produces washers that boast remarkable hardness, durability, and resistance to corrosion. Known for their impressive wear resistance, Stainless Steel 440C Washers excel under heavy loads and in challenging conditions. Pengkumta Fasteners is dedicated to providing dependable fastening solutions with prompt service, earning them a reputation as a trusted partner for industries around the globe.
These washers are made from martensitic stainless steel, featuring a high carbon content (0.95–1.20%) and chromium (16–18%). This unique blend results in outstanding hardness, wear resistance, and moderate corrosion resistance. They showcase excellent mechanical properties, including very high tensile and yield strength, exceptional hardness post-heat treatment, and good fatigue resistance. Although they are not as ductile as austenitic grades, Stainless Steel 440C Washers offer remarkable dimensional stability and performance in heavy-duty applications where hardness and wear resistance are crucial.
| 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 |
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.
You’ll find Stainless Steel 440C Washers in a variety of industries, including aerospace, automotive, marine, petrochemical, and heavy machinery. Their high hardness and wear resistance make them perfect for precision assemblies, high-load fastening, and situations where friction and stress are prevalent. In marine settings, they deliver durability and resistance to mild corrosion. In chemical and petrochemical facilities, they can handle tough operating conditions. These washers are also essential in turbines, pumps, valves, and tooling equipment, where secure fastening and reliability are vital. With Stainless Steel 440C Washers, you can count on long-lasting performance even in the most demanding environments.
At Pengkumta Fasteners, we maintain an unwavering commitment to the highest standards for our Stainless Steel 440C Washers. This commitment is reflected in our carefully crafted documentation, including commercial invoices, packaging documents, fuming certificates, heat treatment protocols, comprehensive quality control programs We offer a range of test certificates detailed for, including MTCs up to EN 10204/3.1b, PMI test certificates and 100 including % radiography test report Confirmed. Additionally, third-party inspection certifications further confirm our adherence to stringent standards. Each stainless steel 440C washer is carefully packaged in accordance with international guidelines, ensuring safe handling and portability to maintain exceptional product integrity and ensure customer satisfaction.
Pengkumta Fasteners is a leading manufacturer and supplier of high-quality fasteners in Bangkok, Thailand, with over 8 years of experience serving global industries.
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