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Pengkumta Fasteners, a well-respected manufacturer and supplier based in Bangkok, Thailand, specializes in top-notch Stainless Steel 321 / 321H Fasteners that are perfect for demanding industrial applications. These fasteners are celebrated for their outstanding corrosion resistance, high-temperature strength, and durability, ensuring they perform reliably even in the toughest environments. With a commitment to precision engineering and strict quality control, Pengkumta Fasteners guarantees that their products meet international standards and offer long-lasting service. The company prides itself on timely delivery and customer satisfaction, establishing itself as a trusted supplier of Stainless Steel 321 / 321H Fasteners for both local and global industries, providing dependable fastening solutions.
The Stainless Steel 321 / 321H Fasteners are made from a blend of iron, 17–19% chromium, 9–12% nickel, and titanium, which helps prevent intergranular corrosion. The 321H variant has a higher carbon content, boosting its creep resistance and tensile strength at elevated temperatures. These fasteners boast a tensile strength of around 515 MPa and a yield strength of about 205 MPa. They maintain their toughness, oxidation resistance, and mechanical stability even in high-heat and corrosive settings, ensuring they deliver durability and reliable performance for critical industrial applications.
| Standard | ASTM A193,A194 / ASME SA193,SA194 |
| Standard | DIN, ASTM, BS and all International Standards |
| Length | 3 mm to 200 mm |
| Size | M3 – M56 | 3/6″ to 2″ | Custom Sizes |
| Grade | C | Mn | Si | P | S | Cr | N | Ni | Ti |
| SS 321H | 0.04 – 0.10 | 2.0 max | 1.0 max | 0.045 max | 0.030 max | 17.00 – 19.00 | 0.10 max | 9.00 – 12.00 | 4(C+N) – 0.70 max |
| Density | Melting Point | Tensile Strength | Yield Strength (0.2%Offset) | Elongation |
| 8.0 g/cm3 | 1400 °C (2550 °F) | Psi – 75000 , MPa – 515 | Psi – 30000 , MPa – 205 | 35 % |
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 321 / 321H Fasteners widely used in industries that demand high-temperature resistance and corrosion protection. They’re commonly found in chemical and petrochemical plants for piping, reactors, and pressure vessels that face harsh chemicals. Power generation facilities utilize them in boilers, superheaters, and turbines that endure thermal stress. The aerospace and automotive sectors depend on these fasteners for high-temperature exhaust and engine components. Moreover, industries like marine, construction, and food processing reap the benefits of their long-lasting strength, durability, and reliability, making them essential for critical fastening applications.
At Pengkumta Fasteners, we ensure the quality and protection of our Stainless Steel 321/321H fasteners during installation. Each binder is thoroughly inspected and individually wrapped in protective packaging to prevent corrosion. They are then placed in tightly labeled boxes with detailed product descriptions and quantities. Our packaging is designed to protect against environmental and physical effects, ensuring that your high-performance fasteners arrive in pristine condition and ready for immediate use.
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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