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Mitchell Stainless is a reliable manufacturer and supplier of Stainless Steel 446 stud bolts based in Hamilton, New Zealand. They specialize in providing high-performance fastening solutions tailored for tough industrial settings. Renowned for their precision manufacturing and unwavering commitment to quality, Mitchell Stainless ensures that their stud bolts deliver exceptional resistance to oxidation and corrosion, even at high temperatures. With state-of-the-art production facilities and a skilled technical team, they serve various sectors, including power generation, petrochemicals, furnaces, and heavy engineering. Their focus on reliability, durability, and customer satisfaction means they consistently deliver on time and offer customized solutions to meet the diverse needs of projects across New Zealand and beyond.
Stainless Steel 446 is a high-chromium ferritic stainless steel that contains around 23–27% chromium and has low carbon content. This combination gives it remarkable resistance to oxidation, scaling, and corrosion in high-temperature settings. It boasts good tensile strength, moderate yield strength, and excellent thermal stability. The alloy maintains its structural integrity even under continuous heat exposure and can withstand sulfur-bearing environments. Although it can’t be heat-treated for hardening, SS 446 provides dependable mechanical performance, low thermal expansion, and strong resistance to stress cracking, making it perfect for extreme service conditions.
| 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. |
| 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 |
Contact us to get a quick quote for your requirement.
446 SS Heavy Stud Bolts are designed for high-stress, high-temperature applications, offering superior strength, durability, and corrosion resistance.
Stainless Steel 446 Double End Stud Bolts provide excellent high-temperature and corrosion resistance, ideal for heavy-duty industrial applications requiring robust performance.
For high quality, we perform vigorous in-house tests on our Stainless Steel 446 Stud Bolts. Our tests include dimensional checks, hardness tests, and corrosion resistance assessments to guarantee reliable performance. In addition, we carry out third-party inspection to give our customers added assurance of the product quality. We make sure efficient delivery to meet all the orders so that our customers can receive their products on time and without faults.
The Stainless Steel 446 stud bolts produced by Mitchell Stainless are extensively used in situations that demand exceptional heat and oxidation resistance. You’ll find them in furnaces, heat exchangers, boilers, kilns, and petrochemical processing equipment. They’re also well-suited for power plants, refineries, exhaust systems, and thermal processing units where fasteners are regularly exposed to high temperatures and corrosive gases. SS 446 stud bolts are the go-to choice for applications that require durability and reliability in challenging environments.
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