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Punit Fasteners, a top-notch manufacturer and supplier based in Delhi, India, specializes in high-quality Stainless Steel 446 Stud Bolts that are built to excel in high-temperature and oxidizing environments. These stud bolts find their place in various industries, including petrochemical, power generation, furnace construction, and heat treatment, where fasteners need to withstand extreme heat, scaling, and corrosive gases. Crafted to meet international quality standards, these Stainless Steel 446 Stud Bolts offer remarkable thermal stability, oxidation resistance, and long-lasting durability. Punit Fasteners is committed to precise engineering and dependable performance, making these stud bolts a go-to choice for challenging industrial applications around the globe.
Made from a high-chromium ferritic stainless steel that contains about 23–27% chromium, along with small amounts of molybdenum and stabilizers, these bolts are designed to enhance oxidation and thermal resistance. They maintain their strength and dimensional stability even at temperatures soaring up to 1100°C. With a density of approximately 7.8 g/cm³ and a tensile strength ranging from 485–620 MPa, they may be less ductile at room temperature compared to austenitic grades, but their outstanding scaling resistance, toughness, and durability during thermal cycling make them ideal for tough industrial conditions.
| Grade | C | Mn | Si | P | S | Cr | MO | Ni | N | |
| 446 | min. | – | – | – | – | – | 23.0 | – | – | 0.10 |
| max. | 0.20 | 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 |
| 446 Stud Bolt Specifications | ASTM A /SA 193 / 194 |
| 446 Stud Bolt Dimensions | ASTM,DIN, BS,GB, IS and all International Standards |
| 446 Stud Bolt Length | 3 mm to 200 mm |
| 446 Stud Bolts Size | M02 to M33 | Custom Sizes |
| 446 Stud Bolt Type | Stud Bolts, Heavy Stud bolt, Tie Bar, Tie Rod, Continuous Threaded Stud Bolts (Fully Threaded Studs without Chamfered Ends), Tap End Stud Bolts, Double End Stud Bolts, Double End Stud Bolts with Reduced Shank, Flange Stud Bolts (Fully Threaded Studs with Chamfered Ends), MS Stud Bolts, Metric Thread Stud Bolt, Rough Forged Stud Bolts, Stud Half Thread Bolts etc. |
| 446 Stud Bolts Coating |
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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 stud bolts, known for their high-temperature resistance and excellent corrosion resistance, are ideal for demanding environments. They are commonly used in high-temperature applications such as petrochemical, chemical processing, and power generation industries. Due to their superior oxidation resistance and strength, these bolts are also suitable for furnace components, exhaust systems, and other heat-intensive applications. Their durability makes them reliable for securing machinery and equipment exposed to extreme conditions.
Made from a high-chromium ferritic stainless steel that contains about 23–27% chromium, along with small amounts of molybdenum and stabilizers, these bolts are designed to enhance oxidation and thermal resistance. They maintain their strength and dimensional stability even at temperatures soaring up to 1100°C. With a density of approximately 7.8 g/cm³ and a tensile strength ranging from 485–620 MPa, they may be less ductile at room temperature compared to austenitic grades, but their outstanding scaling resistance, toughness, and durability during thermal cycling make them ideal for tough industrial 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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