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Pengkumta Fasteners, a top-notch manufacturer and supplier based in Bangkok, Thailand, is all about providing high-quality Stainless Steel 442 Nuts designed for both industrial and commercial uses. Thanks to their cutting-edge production technology and strict quality control, the company guarantees that these nuts deliver outstanding strength, durability, and resistance to corrosion. Known for their impressive heat resistance and scaling properties, Stainless Steel 442 Nuts are perfect for high-temperature settings. Pengkumta Fasteners is dedicated to keeping customers happy, offering competitive prices, prompt delivery, and dependable fastening solutions for clients both locally and internationally.
Stainless Steel 442 Nuts are ferritic stainless steel fasteners that contain around 18–23% chromium and minimal nickel, giving them excellent resistance to heat, oxidation, and corrosion. This unique composition boosts their strength and thermal stability while ensuring they resist scaling effectively. On the mechanical side, these nuts provide solid tensile and yield strength, along with hardness and durability when under stress. They maintain their stability even at high temperatures and show remarkable wear resistance. With a great mix of toughness and resilience against environmental factors, Stainless Steel 442 Nuts are reliable choices for demanding applications in heat-heavy and corrosive environments.
| Component | Wt. % |
| C | 0.23 |
| Cr | 12.5 |
| Fe | 83 |
| Mn | 0.5 |
| Mo | 1 |
| Ni | 0.8 |
| P | 0.02 |
| S | 0.015 |
| Si | 0.38 |
| V | 0.23 |
| W | 1 |
| Mechanical Properties | Metric | English | Comments |
| Hardness, Brinell | 290 | 290 | Estimated from Rockwell C value for Brinell test with 3000 kg load/10 mm diameter ball |
| Hardness, Knoop | 315 | 315 | Estimated from Rockwell C value. |
| Hardness, Rockwell C | 30 | 30 | |
| Hardness, Vickers | 304 | 304 | Estimated from Rockwell C value. |
| Tensile Strength, Ultimate | 897 MPa | 130000 psi | |
| Tensile Strength, Yield | 828 MPa | 120000 psi | 0.2% Offset |
| Elongation at Break | 15 % | 15 % | |
| Reduction of Area | 40 % | 40 % |
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.
These nuts find their way into various industries, including petrochemical, power generation, heat treatment, and furnace manufacturing. Their ability to endure high heat and oxidation makes them ideal for use in boilers, exhaust systems, kilns, and thermal processing units. In the chemical sector, they stand up to harsh chemicals and elevated temperatures. They’re also popular in marine applications due to their corrosion resistance and are used in construction for structural fastening needs. Plus, Stainless Steel 442 Nuts are essential in heavy machinery and refinery systems, providing long-lasting performance and reliability even in extreme working conditions.
As a leading manufacturer, supplier, and exporter, we adhere to strict standards for our Stainless Steel 442 Nuts. Each nut is rigorously tested for hardness, chemical composition, Positive Material Identity (PMI), and corrosion resistance. We also conduct thorough inspections to ensure compliance with industry standards. Our nuts are carefully packaged to endure transportation and storage conditions, ensuring they arrive in perfect condition. This dedication guarantees that each nut meets our high standards for performance, durability, and reliability.
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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