Request For Our Latest Prices On Stainless Steel 446 Nuts in Delhi, India!
Punit Fasteners, a well-respected manufacturer and supplier based in Delhi, India, specializes in top-notch Stainless Steel 446 Nuts that are engineered for outstanding performance in extreme temperatures and oxidizing environments. These nuts find their place in various industries, including petrochemical, furnace construction, power generation, and heat treatment, where components need to withstand high heat, scaling, and corrosive gases. Crafted to meet international standards, Stainless Steel 446 Nuts offer remarkable thermal stability, oxidation resistance, and durability. Punit Fasteners is committed to precision engineering, ensuring these nuts provide a long service life, making them a reliable choice for tough industrial fastening needs.
Made from a high-chromium ferritic stainless steel alloy with about 23–27% chromium, along with small amounts of molybdenum and stabilizing elements, these nuts boast enhanced thermal and oxidation resistance. They can handle temperatures up to 1100°C while keeping their shape and strength intact. With a tensile strength ranging from 485–620 MPa and a density of around 7.8 g/cm³, they may be less ductile than austenitic grades, but their excellent scaling resistance and durability during thermal cycling make them perfect for harsh industrial environments.
| Grade | C | Mn | Si | P | S | Cr | Mo | Ni | N | |
| 446 | min. | – | – | – | – | – | 23.0 | – | – | 0.10 |
| max. | 0.2 | 1.5 | 0.75 | 0.040 | 0.030 | 30.0 | – | 0.50 | 0.25 | |
| 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 | ||||
| 446 | 485 | 275 | 20 | 92 | 201 |
| Specifications | : | ASTM A 193 ASME SA 193 |
| Standard | : | DIN, ASTM, BS and all International Standards |
| Length | : | 3 mm to 200 mm |
| Size | : | M3 – M56 | 3/6″ to 2″ | Custom Sizes |
| Type | : | Hex Head nuts, Square nuts, Lock nuts, Eye nuts, wing nuts, T nuts, Panel Nuts, Coupling Nuts, Dome nuts, Acorn Nuts. |
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 446 nuts are used at high temperatures because of their excellent oxidation and heat resistance. They are ideal for high-humidity areas such as furnace interiors, air filters and heat exchangers. In addition, they are suitable for applications requiring resistance to sulfur gases and other corrosive agents. Their high chromium content provides excellent resistance to scaling and corrosion, making them a reliable choice for various industrial, aerospace and applications.
Stainless Steel 446 Nuts are widely utilized in sectors that demand fasteners capable of enduring extreme heat and corrosive conditions. In furnace construction and heat treatment facilities, they secure components that are constantly exposed to hot gases and oxidizing atmospheres. The petrochemical and power generation industries rely on them for burners, exhaust systems, and thermal processing equipment. Moreover, they are used in incinerators, chemical plants, kilns, and heat exchangers, where resistance to sulfurous gases and scaling is essential. These nuts deliver dependable fastening solutions in settings where standard stainless steels struggle to cope with severe operating conditions.
Punit Fasteners is a leading manufacturer and supplier of high-quality fasteners in Delhi, India, with over 15 years of experience serving global industries.
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