Home > Stud Bolts > Stainless Steel 440b Stud Bolts
Walid Stainless, headquartered in Tunis, Tunisia, is a trusted manufacturer and supplier of premium stainless steel products. Among their offerings are Stainless Steel 440B Stud Bolts, engineered for applications requiring high hardness, excellent wear resistance, and moderate corrosion resistance. These stud bolts are ideal for industrial machinery, precision equipment, and chemical processing assemblies where strength and durability are critical. Each stud bolt is manufactured with precision and undergoes strict quality control to ensure consistent performance. Clients rely on 440B Stud Bolts for secure, reliable, and long-lasting fastening solutions in demanding mechanical and industrial projects.
Stainless Steel 440B Stud Bolts are made from a high-carbon martensitic stainless steel alloy containing approximately 16–18% chromium and 0.65–0.75% carbon. This composition provides high hardness, excellent wear resistance, and moderate corrosion resistance. These bolts typically exhibit tensile strength between 700–900 MPa and hardness ranging from 52–58 HRC. The martensitic structure ensures high mechanical durability, dimensional stability, and resistance to wear and fatigue. 440B Stud Bolts are suitable for industrial, mechanical, and high-stress fastening applications requiring long-term reliability and strength.
| 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 widely used in industries requiring high-strength, wear-resistant, and durable fastening solutions. They are ideal for pumps, valves, precision machinery, chemical processing equipment, and other mechanical assemblies exposed to stress and moderately corrosive environments. The martensitic structure ensures long-term mechanical reliability, dimensional stability, and resistance to wear and fatigue. Engineers and technicians rely on 440B Stud Bolts for safe, secure, and consistent fastening performance. Walid Stainless ensures that each stud bolt meets strict quality standards, providing dependable materials for industrial, mechanical, and high-performance projects where strength, hardness, and durability are essential.
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