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Mazin Fasteners, a well-respected manufacturer and supplier based in Muscat, Oman, specializes in high-quality Stainless Steel 440B Fasteners designed for demanding strength and precision fastening needs. These fasteners are crafted using cutting-edge production techniques and rigorous quality control measures, ensuring they offer outstanding dimensional accuracy, a smooth surface finish, and dependable performance. Mazin Fasteners caters to critical industries like oil and gas, power generation, heavy machinery, and industrial engineering, with their products known for their consistent quality, long lifespan, and ability to withstand applications that require exceptional hardness and wear resistance.
The Stainless Steel 440B Fasteners are made from high carbon martensitic stainless steel, which contains about 0.75–0.95% carbon and 16–18% chromium. This specific composition enables the alloy to achieve impressive hardness, strength, and remarkable wear resistance when properly heat-treated. In terms of mechanical properties, 440B fasteners boast high tensile and yield strength, solid load-bearing capabilities, and resistance to deformation even under significant stress. They also offer moderate corrosion resistance in controlled environments, along with good fatigue strength and dimensional stability.
| 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 |
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.
These fasteners are widely utilized in situations where high strength, hardness, and wear resistance are essential. You’ll often find them in machinery assemblies, pumps, valves, compressors, and industrial equipment that face heavy loads and repetitive motion. Additionally, they are suitable for aerospace components, precision tools, and automotive systems that operate under challenging conditions. Their durability and mechanical reliability make them perfect for controlled industrial settings that demand secure and long-lasting fastening solutions.
We offer high quality stainless steel 440B fasteners, ensuring quality control and compliance with international standards. Choose the reliability and durability of our fasteners, which deliver exceptional performance in challenging industrial applications. Each fastener is carefully packaged to prevent damage during transit, ensuring that it arrives in the best possible condition and to your specifications. Trust us for high-quality fasteners that provide seamless and reliable connections, even in the most demanding environments.
Mazin Fasteners is a leading manufacturer and supplier of high-quality fasteners in Muscat, OMAN, with over 8 years of experience serving global industries.
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