Khaled Stainless, based in Cairo, Egypt, is a trusted name in the manufacturing and supply of Stainless Steel 440B fasteners, designed specifically for high-strength and precision-focused applications. Crafted from top-quality martensitic stainless steel and subjected to meticulous heat treatment processes, these fasteners promise dependable mechanical performance, precise dimensions, and a long lifespan. Khaled Stainless caters to various sectors, including automotive, machinery, valves, pumps, and industrial equipment, both in Egypt and on the international stage. By adhering to ASTM and EN standards and offering tailored sizes, threading, and finishes, the company guarantees consistent quality for even the most demanding mechanical assemblies.
Stainless Steel 440B is a martensitic stainless steel that contains around 0.75–0.95% carbon and 16–18% chromium. This unique chemical makeup enables SS 440B fasteners to achieve impressive hardness and tensile strength after heat treatment, while also providing enhanced toughness compared to 440C. They boast excellent wear and abrasion resistance, solid fatigue strength, and moderate corrosion resistance in less harsh environments. SS 440B fasteners are magnetic and well-suited for high load-bearing applications, although their ductility and weldability are somewhat limited when compared to austenitic stainless steel grades.
| 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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Highly resistant to corrosion, Stainless Steel 440B Nuts are designed for high-strength applications. Available in sizes ranging from M3 to M24, they are precision-manufactured to ensure reliable performance and durability.
Stainless Steel 440B Stud Bolts offer excellent corrosion resistance and are ideal for demanding environments. Typically available in lengths from 50mm to 500mm and diameters from M6 to M30, they provide robust fastening solutions for various industrial applications.
Stainless Steel 440B Bolts exhibit superior corrosion resistance and are suitable for harsh conditions. They come in sizes from M6 to M30 and lengths ranging from 10mm to 300mm. Their high strength and durability make them ideal for critical applications.
With excellent corrosion resistance, Stainless Steel 440B threaded rods are used in heavy-duty applications. They are available in lengths from 100mm to 2000mm and diameters ranging from M6 to M30, offering versatility and strength in fastening solutions.
Stainless Steel 440B screws provide high corrosion resistance and are used in various applications. Sizes range from M3 to M20, with 10mm to 150mm lengths. They are known for their strength and reliability in tough environments.
Stainless Steel 440B washers offer exceptional corrosion resistance, crucial for distributing loads and reducing friction. They are available in sizes from M3 to M30, with standard thicknesses that ensure durability and performance in high-stress applications.
Here at Khaled Stainless, Cairo, Egypt, our primary concern is a faultless customer experience by providing comprehensive documentation for our premium Stainless Steel 440B Fasteners. This includes all the necessary documents like commercial invoice, packaging list, heat treatment chart, quality assurance plan and the NABL-approved lab test report. Additional offerings include MTC, PMI Test Certificate, radiography test reports, and Third-Party Inspection Certificates, assuring you of quality and customer satisfaction.
Stainless Steel 440B fasteners find their place in a variety of applications where strength, rigidity, and wear resistance are essential. Common uses include pumps, valves, compressors, tooling equipment, precision machinery, and heavy-duty mechanical assemblies. They are also utilized in automotive components and industrial equipment that experience significant mechanical stress. SS 440B fasteners excel in dry or mildly corrosive environments and are not recommended for marine or highly acidic conditions, making them perfect for controlled industrial applications.
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