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MERIH STAINLESS is a top-rated Turkish manufacturer and supplier in Istanbul, with expertise in producing high-quality stainless steel fasteners like Stainless Steel 440B Stud Bolts. MERIH STAINLESS boasts a reputation for precision engineering and highly durable products that have gained wide acceptance in various industries, both domestic and global. Their dedication to quality, timely delivery, and customer satisfaction has earned them recognition as a reliable brand in the stainless steel manufacturing industry. Through a blend of innovative production methods and rigorous quality control, MERIH STAINLESS provides trustworthy fastening solutions custom-designed to satisfy rigorous industrial specifications and international standards.
Stainless Steel 440B Stud Bolts consist of a high-carbon martensitic stainless steel alloy containing around 0.9% carbon, 17% chromium, and traces of manganese, silicon, and molybdenum. This composition results in the bolts having exceptional hardness and modest corrosion resistance. These stud bolts have high tensile strength, excellent wear resistance, and a Rockwell hardness of about 58-60 HRC after heat treatment. Their mechanical properties consist of a tensile strength of about 760 MPa and yield strength of about 450 MPa, which makes them ideal for demanding structural and mechanical uses that involve strength and durability.
| Properties | Metric | Imperial |
|---|---|---|
| Density | 7.74 g/cm3 | 0.280 lb/in³ |
| Melting point | 1482°C | 2700°F |
C | Si | Mn | P | S | N | Cr | Cu | Mo | Ni | Ti | V |
|---|---|---|---|---|---|---|---|---|---|---|---|
0,85 – 0,95 | – | – | – | – | – | 17,00 – 19,00 | – | 0,90 – 1,30 | – | – | 0,07 – 0,12 |
| Tempering Temperature (°C) | Tensile Strength (MPa) | Yield Strength 0.2% Proof (MPa) | Elongation (% in 50mm) | Hardness Rockwell (HR C) | Impact Charpy V (J) |
|---|---|---|---|---|---|
| Annealed* | 758 | 448 | 14 | 269HB max | – |
| 204 | 2030 | 1900 | 4 | 59 | 9 |
| 260 | 1960 | 1830 | 4 | 57 | 9 |
| 316 | 1860 | 1740 | 4 | 56 | 9 |
| 371 | 1790 | 1660 | 4 | 56 | 9 |
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Stainless Steel UNS S44003 stud bolts are durable and corrosion-resistant, offering high strength for demanding applications. Ideal for industrial and mechanical use, they provide reliability in challenging environments.
Stainless Steel 440B flush head stud bolts feature a smooth, flush design for a sleek finish and secure fit. Ideal for applications requiring a low-profile fastener with high strength and corrosion resistance.
Each Stainless Steel 440B Stud Bolt shipped from the company has been packed with utmost care using the most premium packaging material to avoid rust and any damage during movement. We always focus on complete customer satisfaction by making timely delivery through prompt transportation. All relevant documents pertaining to the product are delivered to the customers at the time of delivery.
Stainless Steel 440B Stud Bolts are commonly used in high strength and wear-resistant applications. Typical applications are in aerospace, automotive, marine, and oil and gas sectors, where they find application in engines, pumps, valves, and high-pressure equipment. Owing to their hardness and resistance to wear, they are especially suitable for application in environments where surface wear and mechanical stress are prime considerations. While less corrosion-resistant than austenitic grades, 440B is still suitable for moderately corrosive conditions and is a good selection for such applications as industrial machinery, chemical plants, and other heavy mechanical assemblies.
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